HEF4543BT [NEXPERIA]
BCD to 7-segment latch/decoder/driverProduction;型号: | HEF4543BT |
厂家: | Nexperia |
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HEF4543B
BCD to 7-segment latch/decoder/driver
Rev. 8 — 24 November 2021
Product data sheet
1. General description
The HEF4543B is a BCD to 7-segment latch/decoder/driver for liquid crystal and LED displays.
It has four address inputs (D0 to D3), an active LOW latch enable input (LE), an active HIGH
blanking input (BL), an active HIGH phase input (PH) and seven buffered segment outputs (Qa to
Qg).
The circuit provides the function of a 4-bit storage latch and an 8-4-2-1 BCD to 7-segment
decoder/driver. It can invert the logic levels of the output combination. The phase (PH), blanking
(BL) and latch enable (LE) inputs are used to reverse the function table phase, blank the display
and store a BCD code, respectively.
For liquid crystal displays, a square-wave is applied to PH and the electrical common back-plane of
the display. The outputs of the device are directly connected to the segments of the liquid crystal.
It operates over a recommended VDD power supply range of 3 V to 15 V referenced to VSS (usually
ground). Unused inputs must be connected to VDD, VSS, or another input.
2. Features and benefits
•
Wide supply voltage range from 3.0 V to 15.0 V
•
•
•
•
•
•
•
CMOS low power dissipation
High noise immunity
Fully static operation
5 V, 10 V, and 15 V parametric ratings
Standardized symmetrical output characteristics
Complies with JEDEC standard JESD 13-B
ESD protection:
•
•
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-B exceeds 200 V
•
Specified from -40 °C to +85 °C
3. Ordering information
Table 1. Ordering information
Type number
Package
Temperature range Name
Description
Version
HEF4543BT
-40 °C to +85 °C
SO16
plastic small outline package; 16 leads;
body width 3.9 mm
SOT109-1
Nexperia
HEF4543B
BCD to 7-segment latch/decoder/driver
4. Functional diagram
5
3
2
4
D0
D1
D2
D3
1
7
6
LE
BL
PH
LATCHES
DECODER
DRIVERS
Qg
14
Qf
15
Qe
13
Qd
12
Qc
11
Qb
10
Qa
9
001aae742
Fig. 1. Functional diagram
BL
D0
Qa
Qb
Qc
Qd
Qe
Qf
D1
D2
D3
Qg
LE
PH
001aae744
Fig. 2. Logic diagram
©
HEF4543B
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 8 — 24 November 2021
2 / 13
Nexperia
HEF4543B
BCD to 7-segment latch/decoder/driver
5. Pinning information
5.1. Pinning
HEF4543B
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
LE
D2
D1
D3
D0
PH
BL
V
DD
Qf
Qg
Qe
Qd
Qc
Qb
Qa
V
SS
001aae743
Fig. 3. Pin configuration for SOT109-1 (SO16)
5.2. Pin description
Table 2. Pin description
Symbol
Pin
Description
LE
1
latch enable input (active LOW)
address (data) input
phase input (active HIGH)
blanking input (active HIGH)
ground supply voltage
segment output
D0, D1, D2, D3
5, 3, 2, 4
PH
6
7
8
BL
VSS
Qa, Qb, Qc, Qd, Qe, Qf, Qg
VDD
9, 10, 11, 12, 13, 15, 14
16
supply voltage
©
HEF4543B
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 8 — 24 November 2021
3 / 13
Nexperia
HEF4543B
BCD to 7-segment latch/decoder/driver
6. Functional description
Table 3. Function table
H = HIGH voltage level; L = LOW voltage level; X = don’t care; n.c. = no change.
Inputs
LE
X
Outputs
Display
BL
H
L
PH[1] D3
D2
X
L
D1
X
L
D0
X
L
Qa
L
Qb
Qc
L
Qd
L
Qe
L
Qf
L
Qg
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
X
L
L
blank
H
H
L
H
H
H
H
H
L
H
H
L
H
L
H
L
H
L
L
0
H
L
L
L
L
H
L
L
1
H
L
L
L
H
H
L
H
H
L
H
H
L
H
L
L
H
H
H
H
H
L
2
H
L
L
L
H
L
H
H
H
H
H
H
H
L
L
3
H
L
L
H
H
H
H
L
L
H
H
H
L
4
H
L
L
L
H
L
H
H
H
H
H
L
H
H
L
L
5
H
L
L
H
H
L
L
H
L
6
H
L
L
H
L
H
H
H
L
7
H
L
H
H
H
H
X
H
H
L
H
L
H
H
L
H
H
L
8
H
L
L
L
H
X
X
X
9
H
L
L
H
X
X
L
blank
blank
n.c
H
L
H
X
L
L
L
L
L
L
L
L
L
n.c.
as above
as above
inverse of above
as above
[1] For liquid crystal displays, apply a square-wave to PH;
For common cathode LED displays, select PH = LOW;
For common anode LED displays, select PH = HIGH.
a
f
b
g
e
c
d
001aaj494
Fig. 4. Seven segment digital display with segment designation
7. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
VDD
VI
Parameter
Conditions
Min
Max
Unit
V
supply voltage
-0.5
-0.5
-
+18
input voltage
VDD + 0.5
±10
V
II/O
input/output current
storage temperature
ambient temperature
total power dissipation
power dissipation
mA
°C
Tstg
Tamb
Ptot
-65
-40
-
+150
+85
°C
500
mW
mW
P
per output
-
100
©
HEF4543B
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 8 — 24 November 2021
4 / 13
Nexperia
HEF4543B
BCD to 7-segment latch/decoder/driver
8. Recommended operating conditions
Table 5. Recommended operating conditions
Symbol
VDD
Parameter
Conditions
Min
Typ
Max Unit
supply voltage
3
0
-
-
-
-
-
-
15
V
VI
input voltage
VDD
+85
V
Tamb
Δt/ΔV
ambient temperature
input transition rise and fall rate
in free air
-40
-
°C
VDD = 5 V
VDD = 10 V
VDD = 15 V
3.75 μs/V
0.5 μs/V
-
-
0.08 μs/V
9. Static characteristics
Table 6. Static characteristics
VSS = 0 V; VI = VSS or VDD unless otherwise specified.
Symbol Parameter
Conditions
VDD
Tamb = -40 °C Tamb = 25 °C
Tamb = 85 °C Unit
Min
Max
-
Min
Max
-
Min
Max
VIH
HIGH-level
input voltage
|IO| < 1 μA
5 V
3.5
3.5
3.5
-
-
V
V
V
V
V
V
V
V
V
V
V
V
10 V
15 V
5 V
7.0
-
7.0
-
7.0
11.0
-
11.0
-
11.0
-
VIL
LOW-level
input voltage
|IO| < 1 μA
|IO| < 1 μA
|IO| < 1 μA
-
1.5
3.0
4.0
-
-
1.5
3.0
4.0
-
-
1.5
3.0
4.0
-
10 V
15 V
5 V
-
-
-
-
-
-
VOH
VOL
IOH
HIGH-level
output voltage
4.95
4.95
4.95
10 V
15 V
5 V
9.95
-
9.95
-
9.95
-
14.95
-
14.95
-
14.95
-
LOW-level
output voltage
-
0.05
0.05
0.05
-1.7
-0.52
-1.3
-3.6
-
-
0.05
0.05
0.05
-1.4
-0.44
-1.1
-3.0
-
-
0.05
0.05
0.05
10 V
15 V
5 V
-
-
-
-
-
-
HIGH-level
output current
VO = 2.5 V
VO = 4.6 V
VO = 9.5 V
VO = 13.5 V
VO = 0.4 V
VO = 0.5 V
VO = 1.5 V
-
-
-
-1.1 mA
-0.36 mA
-0.9 mA
-2.4 mA
5 V
-
-
-
-
-
-
10 V
15 V
5 V
-
-
-
IOL
LOW-level
output current
0.52
1.3
3.6
-
0.44
1.1
3.0
-
0.36
0.9
2.4
-
-
-
-
mA
mA
mA
10 V
15 V
15 V
-
-
-
-
II
input leakage
current
±0.3
±0.3
±1.0 μA
IDD
supply current IO = 0 A
5 V
10 V
15 V
-
-
-
-
-
20
40
80
-
-
-
-
-
20
40
80
7.5
-
-
-
-
150 μA
300 μA
600 μA
CI
input
-
pF
capacitance
©
HEF4543B
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 8 — 24 November 2021
5 / 13
Nexperia
HEF4543B
BCD to 7-segment latch/decoder/driver
10. Dynamic characteristics
Table 7. Dynamic characteristics
VSS = 0 V; Tamb = 25 °C unless otherwise specified; For test circuit see Fig. 7.
Symbol Parameter
Conditions
VDD
5 V
Extrapolation formula[1] Min
Typ
180
75
55
170
80
60
145
65
45
180
75
55
190
80
60
125
55
40
60
30
20
20
5
Max Unit
360 ns
150 ns
110 ns
340 ns
160 ns
120 ns
290 ns
130 ns
90 ns
360 ns
150 ns
110 ns
380 ns
160 ns
120 ns
250 ns
110 ns
80 ns
120 ns
60 ns
40 ns
tPHL
HIGH to LOW Dn to Qn; see Fig. 5
153 ns + (0.55 ns/pF)CL
64 ns + (0.23 ns/pF)CL
47 ns + (0.16 ns/pF)CL
143 ns + (0.55 ns/pF)CL
69 ns + (0.23 ns/pF)CL
52 ns + (0.16 ns/pF)CL
118 ns + (0.55 ns/pF)CL
54 ns + (0.23 ns/pF)CL
37 ns + (0.16 ns/pF)CL
153 ns + (0.55 ns/pF)CL
64 ns + (0.23 ns/pF)CL
47 ns + (0.16 ns/pF)CL
163 ns + (0.55 ns/pF)CL
69 ns + (0.23 ns/pF)CL
52 ns + (0.16 ns/pF)CL
98 ns + (0.55 ns/pF)CL
54 ns + (0.23 ns/pF)CL
32 ns + (0.16 ns/pF)CL
10 ns + (1.00 ns/pF)CL
9 ns + (0.42 ns/pF)CL
6 ns + (0.28 ns/pF)CL
-
-
propagation
delay
10 V
15 V
5 V
-
LE to Qn; see Fig. 5
BL to Qn; see Fig. 5
-
10 V
15 V
5 V
-
-
-
10 V
15 V
5 V
-
-
tPLH
LOW to HIGH Dn to Qn; see Fig. 5
-
propagation
delay
10 V
15 V
5 V
-
-
LE to Qn; see Fig. 5
BL to Qn; see Fig. 5
-
10 V
15 V
5 V
-
-
-
10 V
15 V
5 V
-
-
tt
transition time pin Qn; see Fig. 5
-
10 V
15 V
5 V
-
-
tsu
set-up time
hold time
Dn to LE; see Fig. 6
Dn to LE; see Fig. 6
40
20
15
0
15
20
60
30
20
-
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
10 V
15 V
5 V
0
th
-15
0
10 V
15 V
5 V
5
tW
pulse width
pin LE HIGH; minimum
width; see Fig. 6
30
15
10
10 V
15 V
[1] The typical values of the propagation delay and transition times are calculated from the extrapolation formulas shown (CL in pF).
Table 8. Dynamic power dissipation PD
PD can be calculated from the formulas shown. VSS = 0 V; tr = tf ≤ 20 ns; Tamb = 25 °C.
Symbol
Parameter
VDD
5 V
Typical formula for PD (μW)
where:
2
PD
dynamic power
dissipation
PD = 2200 × fi + Σ(fo × CL) × VDD
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VDD = supply voltage in V;
2
2
10 V
15 V
PD = 10400 × fi + Σ(fo × CL) × VDD
PD = 33000 × fi + Σ(fo × CL) × VDD
Σ(CL × fo) = sum of the outputs.
©
HEF4543B
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 8 — 24 November 2021
6 / 13
Nexperia
HEF4543B
BCD to 7-segment latch/decoder/driver
10.1. Waveforms and test circuit
V
I
LE
D2
BL
V
M
V
M
V
V
V
SS
V
I
V
M
SS
V
I
V
M
SS
t
t
t
PLH
PLH
PLH
t
t
t
PHL
PHL
PHL
V
OH
90 %
THL
V
M
Qg
10 %
V
OL
t
t
TLH
001aaj496
Conditions: D3 = LOW and D0 = D1 = HIGH.
Fig. 5. Propagation delays and output transitions times
V
I
V
LE input
M
V
SS
t
W
V
I
V
D2 input
M
V
SS
t
su
t
h
V
OH
Qg output
V
OL
001aaj799
Conditions:
D3 = BL = LOW; D0 = D1 = LE = HIGH
Fig. 6. Waveforms showing minimum LE pulse width, set-up, and hold time for DC to LE
©
HEF4543B
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 8 — 24 November 2021
7 / 13
Nexperia
HEF4543B
BCD to 7-segment latch/decoder/driver
t
W
V
I
90 %
90 %
negative
pulse
V
V
V
M
M
10 %
10 %
0 V
t
t
r
f
t
t
f
r
V
I
90 %
90 %
positive
pulse
V
M
M
10 %
10 %
0 V
t
W
001aaj781
a. Input waveforms
V
DD
V
V
O
I
G
DUT
C
L
R
T
001aag182
b. Test circuit
Test data is given in Table 9.
Definitions for test circuit:
RL = Load resistance;
CL = Load capacitance including jig and probe capacitance;
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
Fig. 7. Test circuit for measuring switching times
Table 9. Test data
Supply voltage
VDD
Input
VI
Load
CL
VM
tr, tf
5 V to 15 V
VDD
0.5VI
≤ 20 ns
50 pF
©
HEF4543B
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 8 — 24 November 2021
8 / 13
Nexperia
HEF4543B
BCD to 7-segment latch/decoder/driver
11. Application information
Some examples of applications for the HEF4543B are:
Driving LCD displays
Driving LED displays
•
•
•
•
•
Driving fluorescent displays
Driving incandescent displays
Driving gas discharge displays
V
common anode
LED
DD
HEF4543B
output
common cathode
LED
HEF4543B
output
PH
V
SS
PH
001aae746
V
001aae745
DD
a. Common cathode
b. Common anode
Bipolar transistors may be added for gain where VDD ≤ 10 V or IO ≥ 10 mA.
Fig. 8. Connection to LED display readout
appropriate
voltage
HEF4543B
one of seven
HEF4543B
segments
output
common
back-plane
output
PH
PH
square wave;
to V
V
V
SS
SS
DD
001aae747
001aae748
Fig. 9. Connection to LCD readout
Fig. 10. Connection to incandescent display readout
appropriate
voltage
HEF4543B
output
HEF4543B
output
PH
to
filament
supply
V
SS
PH
V
SS
or appropriate
voltage below V
SS
V
SS
001aae749
001aae750
Fig. 11. Connection to gas discharge display readout
Fig. 12. Connection to fluorescent display readout
©
HEF4543B
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 8 — 24 November 2021
9 / 13
Nexperia
HEF4543B
BCD to 7-segment latch/decoder/driver
12. Package outline
SO16: plastic small outline package; 16 leads; body width 3.9 mm
SOT109-1
D
E
A
X
v
c
y
H
M
A
E
Z
16
9
Q
A
2
A
(A )
3
A
1
pin 1 index
θ
L
p
L
1
8
e
w
M
detail X
b
p
0
2.5
scale
5 mm
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
A
(1)
(1)
(1)
UNIT
A
A
A
b
c
D
E
e
H
E
L
L
p
Q
v
w
y
Z
θ
1
2
3
p
max.
0.25
0.10
1.45
1.25
0.49
0.36
0.25
0.19
10.0
9.8
4.0
3.8
6.2
5.8
1.0
0.4
0.7
0.6
0.7
0.3
mm
1.27
0.05
1.05
0.041
1.75
0.25
0.01
0.25
0.1
0.25
0.01
8o
0o
0.0100
0.0075
0.010 0.057
0.004 0.049
0.019
0.014
0.39
0.38
0.16
0.15
0.244
0.228
0.039 0.028
0.016 0.020
0.028
0.012
inches
0.069
0.01 0.004
Note
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
JEITA
99-12-27
03-02-19
SOT109-1
076E07
MS-012
Fig. 13. Package outline SOT109-1 (SO16)
©
HEF4543B
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 8 — 24 November 2021
10 / 13
Nexperia
HEF4543B
BCD to 7-segment latch/decoder/driver
13. Abbreviations
Table 10. Abbreviations
Acronym
CMOS
DUT
Description
Complementary Metal-Oxide Semiconductor
Device Under Test
ESD
ElectroStatic Discharge
Human Body Model
HBM
LCD
Liquid Crystal Display
Light Emitting Diode
LED
MM
Machine Model
14. Revision history
Table 11. Revision history
Document ID
HEF4543B v.8
Modifications:
Release date
20211124
Data sheet status
Change notice
Supersedes
Product data sheet
-
HEF4543B v.7
•
The format of this data sheet has been redesigned to comply with the identity guidelines of
Nexperia.
•
•
•
Legal texts have been adapted to the new company name where appropriate.
Section 2 updated.
Table 6: VOH condition added (errata).
HEF4543B v.7
Modifications:
20160401
Type number HEF4543BP (SOT38-4) removed.
20111117 Product data sheet
Section Applications removed
Product data sheet
-
HEF4543B v.6
HEF4543B v.5
•
HEF4543B v.6
Modifications:
-
•
•
•
Table 6: IOH minimum values changed to maximum
Fig. 6: signal LT removed; signal BL replaced by BL (inverted)
HEF4543B v.5
20091027
20090317
19950101
19950101
Product data sheet
Product data sheet
Product specification
Product specification
-
-
-
-
HEF4543B v.4
HEF4543B_CNV v.3
HEF4543B_CNV v.2
-
HEF4543B v.4
HEF4543B_CNV v.3
HEF4543B_CNV v.2
©
HEF4543B
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 8 — 24 November 2021
11 / 13
Nexperia
HEF4543B
BCD to 7-segment latch/decoder/driver
injury, death or severe property or environmental damage. Nexperia and its
suppliers accept no liability for inclusion and/or use of Nexperia products in
such equipment or applications and therefore such inclusion and/or use is at
the customer’s own risk.
15. Legal information
Quick reference data — The Quick reference data is an extract of the
product data given in the Limiting values and Characteristics sections of this
document, and as such is not complete, exhaustive or legally binding.
Data sheet status
Document status Product
Definition
Applications — Applications that are described herein for any of these
products are for illustrative purposes only. Nexperia makes no representation
or warranty that such applications will be suitable for the specified use
without further testing or modification.
[1][2]
status [3]
Objective [short]
data sheet
Development
This document contains data from
the objective specification for
product development.
Customers are responsible for the design and operation of their applications
and products using Nexperia products, and Nexperia accepts no liability for
any assistance with applications or customer product design. It is customer’s
sole responsibility to determine whether the Nexperia product is suitable
and fit for the customer’s applications and products planned, as well as
for the planned application and use of customer’s third party customer(s).
Customers should provide appropriate design and operating safeguards to
minimize the risks associated with their applications and products.
Preliminary [short]
data sheet
Qualification
Production
This document contains data from
the preliminary specification.
Product [short]
data sheet
This document contains the product
specification.
[1] Please consult the most recently issued document before initiating or
completing a design.
Nexperia does not accept any liability related to any default, damage, costs
or problem which is based on any weakness or default in the customer’s
applications or products, or the application or use by customer’s third party
customer(s). Customer is responsible for doing all necessary testing for the
customer’s applications and products using Nexperia products in order to
avoid a default of the applications and the products or of the application or
use by customer’s third party customer(s). Nexperia does not accept any
liability in this respect.
[2] The term 'short data sheet' is explained in section "Definitions".
[3] The product status of device(s) described in this document may have
changed since this document was published and may differ in case of
multiple devices. The latest product status information is available on
the internet at https://www.nexperia.com.
Definitions
Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) will cause permanent
damage to the device. Limiting values are stress ratings only and (proper)
operation of the device at these or any other conditions above those
given in the Recommended operating conditions section (if present) or the
Characteristics sections of this document is not warranted. Constant or
repeated exposure to limiting values will permanently and irreversibly affect
the quality and reliability of the device.
Draft — The document is a draft version only. The content is still under
internal review and subject to formal approval, which may result in
modifications or additions. Nexperia does not give any representations or
warranties as to the accuracy or completeness of information included herein
and shall have no liability for the consequences of use of such information.
Short data sheet — A short data sheet is an extract from a full data sheet
with the same product type number(s) and title. A short data sheet is
intended for quick reference only and should not be relied upon to contain
detailed and full information. For detailed and full information see the relevant
full data sheet, which is available on request via the local Nexperia sales
office. In case of any inconsistency or conflict with the short data sheet, the
full data sheet shall prevail.
Terms and conditions of commercial sale — Nexperia products are
sold subject to the general terms and conditions of commercial sale, as
published at http://www.nexperia.com/profile/terms, unless otherwise agreed
in a valid written individual agreement. In case an individual agreement is
concluded only the terms and conditions of the respective agreement shall
apply. Nexperia hereby expressly objects to applying the customer’s general
terms and conditions with regard to the purchase of Nexperia products by
customer.
Product specification — The information and data provided in a Product
data sheet shall define the specification of the product as agreed between
Nexperia and its customer, unless Nexperia and customer have explicitly
agreed otherwise in writing. In no event however, shall an agreement be
valid in which the Nexperia product is deemed to offer functions and qualities
beyond those described in the Product data sheet.
No offer to sell or license — Nothing in this document may be interpreted
or construed as an offer to sell products that is open for acceptance or the
grant, conveyance or implication of any license under any copyrights, patents
or other industrial or intellectual property rights.
Export control — This document as well as the item(s) described herein
may be subject to export control regulations. Export might require a prior
authorization from competent authorities.
Disclaimers
Limited warranty and liability — Information in this document is believed
to be accurate and reliable. However, Nexperia does not give any
representations or warranties, expressed or implied, as to the accuracy
or completeness of such information and shall have no liability for the
consequences of use of such information. Nexperia takes no responsibility
for the content in this document if provided by an information source outside
of Nexperia.
Non-automotive qualified products — Unless this data sheet expressly
states that this specific Nexperia product is automotive qualified, the
product is not suitable for automotive use. It is neither qualified nor tested in
accordance with automotive testing or application requirements. Nexperia
accepts no liability for inclusion and/or use of non-automotive qualified
products in automotive equipment or applications.
In no event shall Nexperia be liable for any indirect, incidental, punitive,
special or consequential damages (including - without limitation - lost
profits, lost savings, business interruption, costs related to the removal
or replacement of any products or rework charges) whether or not such
damages are based on tort (including negligence), warranty, breach of
contract or any other legal theory.
In the event that customer uses the product for design-in and use in
automotive applications to automotive specifications and standards,
customer (a) shall use the product without Nexperia’s warranty of the
product for such automotive applications, use and specifications, and (b)
whenever customer uses the product for automotive applications beyond
Nexperia’s specifications such use shall be solely at customer’s own risk,
and (c) customer fully indemnifies Nexperia for any liability, damages or failed
product claims resulting from customer design and use of the product for
automotive applications beyond Nexperia’s standard warranty and Nexperia’s
product specifications.
Notwithstanding any damages that customer might incur for any reason
whatsoever, Nexperia’s aggregate and cumulative liability towards customer
for the products described herein shall be limited in accordance with the
Terms and conditions of commercial sale of Nexperia.
Translations — A non-English (translated) version of a document is for
reference only. The English version shall prevail in case of any discrepancy
between the translated and English versions.
Right to make changes — Nexperia reserves the right to make changes
to information published in this document, including without limitation
specifications and product descriptions, at any time and without notice. This
document supersedes and replaces all information supplied prior to the
publication hereof.
Trademarks
Suitability for use — Nexperia products are not designed, authorized or
warranted to be suitable for use in life support, life-critical or safety-critical
systems or equipment, nor in applications where failure or malfunction
of an Nexperia product can reasonably be expected to result in personal
Notice: All referenced brands, product names, service names and
trademarks are the property of their respective owners.
©
HEF4543B
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 8 — 24 November 2021
12 / 13
Nexperia
HEF4543B
BCD to 7-segment latch/decoder/driver
Contents
1. General description......................................................1
2. Features and benefits.................................................. 1
3. Ordering information....................................................1
4. Functional diagram.......................................................2
5. Pinning information......................................................3
5.1. Pinning.........................................................................3
5.2. Pin description.............................................................3
6. Functional description................................................. 4
7. Limiting values............................................................. 4
8. Recommended operating conditions..........................5
9. Static characteristics....................................................5
10. Dynamic characteristics............................................ 6
10.1. Waveforms and test circuit........................................ 7
11. Application information..............................................9
12. Package outline........................................................ 10
13. Abbreviations............................................................11
14. Revision history........................................................11
15. Legal information......................................................12
© Nexperia B.V. 2021. All rights reserved
For more information, please visit: http://www.nexperia.com
For sales office addresses, please send an email to: salesaddresses@nexperia.com
Date of release: 24 November 2021
©
HEF4543B
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 8 — 24 November 2021
13 / 13
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