7LVC541APWDH-T [NXP]
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INTEGRATED CIRCUITS
74LVC541A
Octal buffer/line driver with 5-volt tolerant
inputs/outputs (3-State)
Product specification
1998 Jul 29
Supercedes data of 1997 Oct 27
IC24 Data Handbook
Philips
Semiconductors
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant
inputs/outputs (3-State)
74LVC541A
FEATURES
DESCRIPTION
The 74LVC541A is a high performance, low-power, low-voltage
Si-gate CMOS device and superior to most advanced CMOS
compatible TTL families.
• 5-volt tolerant inputs/outputs, for interfacing with 5-volt logic
• Wide supply voltage range of 2.7V to 3.6V
• Complies with JEDEC standard no. 8-1A
• CMOS low power consumption
Inputs can be driven from either 3.3V or 5.0V devices. In 3-State
operation, outputs can handle 5V. This feature allows the use of
these devices as translators in a mixed 3.3V/5V environment.
• Direct interface with TTL levels
• 5 Volt tolerant inputs/outputs, for interfacing with 5 Volt logic
The 74LVC541A is an octal non-inverting buffer/line driver with
5-volt tolerant inputs/outputs. The 3-State outputs are controlled by
the output enable inputs OE1 and OE2.
QUICK REFERENCE DATA
GND = 0 V; T
= 25°C; t = t ≤ 2.5 ns
amb
r f
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
Propagation delay
An to Yn
C = 50 pF;
L
t
/t
3.3
ns
PHL PLH
V
CC
= 3.3 V
C
Input capacitance
5.0
20
pF
pF
I
C
Power dissipation capacitance per buffer Notes 1 and 2
PD
NOTES:
1. C is used to determine the dynamic power dissipation (P in µW)
PD
D
2
2
P
= C × V
× f )ȍ (C × V
× f ) where:
D
PD
CC
i
L
CC o
f = input frequency in MHz; C = output load capacitance in pF;
i
L
f = output frequency in MHz; V = supply voltage in V;
o
CC
2
ȍ (C × V
× f ) = sum of the outputs.
L
CC
o
2. The condition is V = GND to V
I
CC
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE OUTSIDE NORTH AMERICA
NORTH AMERICA
PKG. DWG. #
20-Pin Plastic SO
–40°C to +85°C
74LVC541A D
74LVC541A D
SOT163-1
20-Pin Plastic SSOP Type II
20-Pin Plastic TSSOP Type I
–40°C to +85°C
–40°C to +85°C
74LVC541A DB
74LVC541A PW
74LVC541A DB
SOT339-1
SOT360-1
7LVC541APW DH
PIN DESCRIPTION
FUNCTION TABLE
PIN NUMBER
SYMBOL
NAME AND FUNCTION
INPUTS
OE1
L
INPUTS
OUTPUT
Output enable inputs
(active LOW)
OE2
An
Yn
1, 19
OE1, OE2
L
L
L
2, 3, 4, 5,
6, 7, 8, 9
A0 to A7
GND
Data inputs
L
X
H
L
H
X
H
X
X
H
Z
Z
10
Ground (0 V)
18, 17, 16, 15,
14, 13, 12, 11
Y0 to Y7
Bus outputs
H = HIGH voltage level
L = LOW voltage level
X = don’t care
20
V
CC
Positive supply voltage
Z = high impedance OFF-state
2
1998 Jul 29
853-2103 19803
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant
inputs/outputs (3-State)
74LVC541A
PIN CONFIGURATION
LOGIC SYMBOL (IEEE/IEC)
1
&
1
2
3
4
5
6
OE
20
19
V
1
CC
EN
19
A
0
OE
2
2
18
A
A
A
A
A
A
A
18
17
16
15
Y
0
1
2
3
4
Y
1
3
4
5
6
17
16
15
14
Y
2
Y
3
7
8
14
13
12
11
Y
4
5
6
7
13
12
7
8
Y
5
9
Y
6
9
11
10
GND
Y
7
SV00680
SV00682
LOGIC SYMBOL
FUNCTIONAL DIAGRAM
A
A
A
A
A
A
A
A
Y
Y
Y
Y
Y
Y
Y
Y
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
18
17
2
3
4
5
6
7
8
9
A
A
A
A
A
A
A
A
Y
Y
Y
Y
Y
Y
Y
Y
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
18
17
2
3
4
5
6
7
8
9
16
15
14
16
15
14
13
12
11
13
12
11
OE
1
1
OE
2
19
SV00683
OE
1
1
OE
2
19
SV00681
3
1998 Jul 29
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant
inputs/outputs (3-State)
74LVC541A
RECOMMENDED OPERATING CONDITIONS
LIMITS
SYMBOL
PARAMETER
CONDITIONS
UNIT
MAX
MIN
2.7
1.2
0
DC supply voltage (for max. speed performance)
DC supply voltage (for low-voltage applications)
DC input voltage range
3.6
V
CC
V
3.6
V
I
5.5
V
V
DC output voltage range; output HIGH or LOW state
DC output voltage range; output 3-State
Operating free-air temperature range
0
V
CC
V
O
0
5.5
T
amb
–40
+85
°C
V
CC
V
CC
= 1.2 to 2.7V
= 2.7 to 3.6V
0
0
20
10
t , t
r
Input rise and fall times
ns/V
f
1
ABSOLUTE MAXIMUM RATINGS
In accordance with the Absolute Maximum Rating System (IEC 134)
Voltages are referenced to GND (ground = 0V)
SYMBOL
PARAMETER
DC supply voltage
CONDITIONS
RATING
UNIT
V
V
CC
I
IK
–0.5 to +6.5
–50
DC input diode current
DC input voltage
V t0
mA
V
I
V
I
Note 2
–0.5 to +5.5
±50
I
DC output diode current
V
O
uV or V t 0
mA
OK
CC
O
DC output voltage; output HIGH or
LOW
Note 2
Note 2
–0.5 to V +0.5
CC
V
V
O
DC output voltage; output 3-State
DC output diode current
–0.5 to +6.5
±50
I
O
V
O
= 0 to V
CC
mA
mA
°C
I
, I
DC V or GND current
±100
GND CC
CC
T
stg
Storage temperature range
–60 to +150
Power dissipation per package
– plastic mini-pack (SO)
– plastic shrink mini-pack (SSOP and
TSSOP)
above +70°C derate linearly with 8 mW/K
above +60°C derate linearly with 5.5 mW/K
500
500
P
TOT
mW
NOTES:
1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the
device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device reliability.
2. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
4
1998 Jul 29
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant
inputs/outputs (3-State)
74LVC541A
DC ELECTRICAL CHARACTERISTICS
Over recommended operating conditions voltages are referenced to GND (ground = 0V)
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
Temp = -40°C to +85°C
UNIT
1
MIN
TYP
MAX
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
= 1.2V
V
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
V
HIGH level Input voltage
LOW level Input voltage
V
V
IH
= 2.7 to 3.6V
= 1.2V
2.0
GND
0.8
V
IL
= 2.7 to 3.6V
= 2.7V; V = V or V ; I = –12mA
V
V
V
V
*0.5
I
IH
IL
O
CC
CC
CC
CC
= 3.0V; V = V or V ; I = –100µA
*0.2
*0.6
*0.8
V
CC
I
IH
IL
O
O
O
V
OH
HIGH level output voltage
LOW level output voltage
V
= 3.0V; V = V or V
I
I
= –18mA
= –24mA
I
IH
IL;
IL;
= 3.0V; V = V or V
I
IH
= 2.7V; V = V or V ; I = 12mA
0.40
0.20
0.55
"5
I
IH
IL
O
= 3.0V; V = V or V ; I = 100µA
V
OL
V
I
IH
IL
O
O
= 3.0V; V = V or V
I
= 24mA
I
IH
IL;
I
Input leakage current
= 3.6V; V = 5.5V or GND
µA
µA
µA
µA
"0.1
I
I
I
3-State output OFF-state current
Power off leakage supply
Quiescent supply current
= 3.6V; V = V or V ; V = 5.5V or GND
0.1
"5
OZ
I
IH
IL
O
I
= 0.0V; V or V = 5.5V
I O
"10
10
OFF
I
= 3.6V; V = V or GND; I = 0
0.1
5
CC
I
CC
O
Additional quiescent supply current
per input pin
∆I
CC
V
CC
= 2.7V to 3.6V; V = V –0.6V; I = 0
500
µA
I
CC
O
NOTES:
1. All typical values are at V = 3.3V and T
= 25°C.
amb
CC
2. The specified overdrive current at the data input forces the data input to the opposite logic input state.
AC CHARACTERISTICS
GND = 0 V; t = t ≤ 2.5 ns; C = 50 pF
r
f
L
LIMITS
V
1.2V
=
CC
SYMBOL
PARAMETER
WAVEFORM
V
CC
= 3.3V ±0.3V
V
CC
= 2.7V
UNIT
1
MIN
TYP
MAX
MIN
TYP
MAX
TYP
Propagation delay
An to Yn
t
/t
Figures 1, 3
Figures 2, 3
Figures 2, 3
1.5
1.5
1.5
3.3
5.6
7.4
6.0
1.5
3.9
5.2
4.3
6.6
14
2.2
11
ns
ns
ns
PHL PLH
3-State output enable time
OEn to Yn
t
t
/t
4.4
3.8
1.5
1.5
8.4
7.0
PZH PZL
3-State output disable time
OEn to Yn
/t
PHZ PLZ
NOTE:
1. Unless otherwise stated, all typical values are at V = 3.3V and T
= 25°C.
CC
amb
5
1998 Jul 29
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant
inputs/outputs (3-State)
74LVC541A
AC WAVEFORMS
V
V
V
V
V
V
V
= 1.5 V at V w 2.7 V
M
M
X
CC
V
I
= 0.5 S V at V < 2.7 V
CC
CC
= V + 0.3 V at V ≥ 2.7 V
OL
CC
OE INPUT
n
V
M
t
= V + 0.1
V at V < 2.7 V
CC CC
X
OL
GND
= V – 0.3 V at V ≥ 2.7 V
Y
OH
CC
t
= V – 0.1
V
CC
at V < 2.7 V
PLZ
PZL
Y
OH
CC
V
CC
and V are the typical output voltage drop that occur with the
OL
OH
OUTPUT
LOW-to-OFF
OFF-to-LOW
output load.
V
M
V
X
V
OL
t
PZH
t
PHZ
V
OH
V
Y
OUTPUT
HIGH-to-OFF
OFF–to-HIGH
V
M
GND
V
outputs
disabled
outputs
enabled
I
outputs
enabled
An INPUT
GND
V
M
SV00685
Figure 2. 3-state enable and disable times.
t
t
PLH
PHL
V
OH
TEST CIRCUIT
Yn OUTPUT
V
M
S
1
2 x V
Open
CC
V
CC
V
OL
GND
500Ω
500Ω
V
V
O
I
PULSE
GENERATOR
D.U.T.
50pF
C
L
R
T
SV00700
Figure 1. Input (A ) to output (Y ) propagation delays.
Test
/t
S
n
n
1
V
V
CC
I
t
Open
PLH PHL
t 2.7V
2.7V – 3.6V
V
t
/t
2 x V
CC
CC
PLZ PZL
2.7V
t
/t
GND
PHZ PZH
SY00003
Figure 3. Load circuitry for switching times.
6
1998 Jul 29
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant
inputs/outputs (3-State)
74LVC541A
SO20: plastic small outline package; 20 leads; body width 7.5 mm
SOT163-1
7
1998 Jul 29
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant
inputs/outputs (3-State)
74LVC541A
SSOP20: plastic shrink small outline package; 20 leads; body width 5.3 mm
SOT339-1
8
1998 Jul 29
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant
inputs/outputs (3-State)
74LVC541A
TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm
SOT360-1
9
1998 Jul 29
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant
inputs/outputs (3-State)
74LVC541A
Data sheet status
[1]
Data sheet
status
Product
status
Definition
Objective
specification
Development
This data sheet contains the design target or goal specifications for product development.
Specification may change in any manner without notice.
Preliminary
specification
Qualification
This data sheet contains preliminary data, and supplementary data will be published at a later date.
Philips Semiconductors reserves the right to make chages at any time without notice in order to
improve design and supply the best possible product.
Product
specification
Production
This data sheet contains final specifications. Philips Semiconductors reserves the right to make
changes at any time without notice in order to improve design and supply the best possible product.
[1] Please consult the most recently issued datasheet before initiating or completing a design.
Definitions
Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For
detailed information see the relevant data sheet or data handbook.
Limiting values definition — Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one
or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or
at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended
periods may affect device reliability.
Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips
Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or
modification.
Disclaimers
Life support — These products are not designed for use in life support appliances, devices or systems where malfunction of these products can
reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications
do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application.
Righttomakechanges—PhilipsSemiconductorsreservestherighttomakechanges, withoutnotice, intheproducts, includingcircuits,standard
cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no
responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these
products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless
otherwise specified.
Philips Semiconductors
811 East Arques Avenue
P.O. Box 3409
Copyright Philips Electronics North America Corporation 1998
All rights reserved. Printed in U.S.A.
Sunnyvale, California 94088–3409
Telephone 800-234-7381
print code
Date of release: 08-98
9397-750-04509
Document order number:
Philips
Semiconductors
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