CD74HC147NSRG4 [TI]
High-Speed CMOS Logic 10- to 4-Line Priority Encoder; 高速CMOS逻辑10至4线优先编码器型号: | CD74HC147NSRG4 |
厂家: | TEXAS INSTRUMENTS |
描述: | High-Speed CMOS Logic 10- to 4-Line Priority Encoder |
文件: | 总16页 (文件大小:401K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
CD54HC147, CD74HC147,
CD74HCT147
Data sheet acquired from Harris Semiconductor
SCHS149F
High-Speed CMOS Logic
September 1997 - Revised November 2003
10- to 4-Line Priority Encoder
provide binary representation on the four active LOW inputs
(Y0 to Y3). A priority is assigned to each input so that when
two or more inputs are simultaneously active, the input with
the highest priority is represented on the output, with input
Features
[ /Title
(CD74
HC147
,
CD74
HCT14
7)
• Buffered Inputs and Outputs
• Typical Propagation Delay: 13ns at V
o
= 5V,
CC
line l having the highest priority.
9
C = 15pF, T = 25 C
L
A
These devices provide the 10-line to 4-line priority encoding
function by use of the implied decimal “zero”. The “zero” is
encoded when all nine data inputs are HIGH, forcing all four
outputs HIGH.
• Fanout (Over Temperature Range)
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
o
o
• Wide Operating Temperature Range . . . -55 C to 125 C
• Balanced Propagation Delay and Transition Times
/Sub-
ject
Ordering Information
(High
Speed
CMOS
Logic
10-to-4
Line
Prior-
ity
Encode
r)
TEMP. RANGE
o
• Significant Power Reduction Compared to LSTTL
Logic ICs
PART NUMBER
CD54HC147F3A
CD74HC147E
( C)
PACKAGE
16 Ld CERDIP
16 Ld PDIP
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
• HC Types
- 2V to 6V Operation
- High Noise Immunity: N = 30%, N = 30% of V
IL IH CC
CD74HC147M
16 Ld SOIC
16 Ld SOIC
16 Ld SOIC
16 Ld SOP
at V
= 5V
CC
CD74HC147MT
CD74HC147M96
CD74HC147NSR
CD74HC147PW
CD74HC147PWR
CD74HC147PWT
CD74HCT147E
• HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
V = 0.8V (Max), V = 2V (Min)
IL IH
- CMOS Input Compatibility, I ≤ 1µA at V , V
OL OH
16 Ld TSSOP
16 Ld TSSOP
16 Ld TSSOP
16 Ld PDIP
l
/Autho
r ()
Description
/Key-
words
(High
Speed
CMOS
Logic
10-to-4
Line
The ’HC147 and CD74HCT147 are high speed silicon-gate
CMOS devices and are pin-compatible with low power
Schottky TTL (LSTTL).
NOTE: When ordering, use the entire part number. The suffixes
96 and R denote tape and reel. The suffix T denotes a
small-quantity reel of 250.
The ’HC147 and CD74HCT147 9-input priority encoders
accept data from nine active LOW inputs (l to l ) and
1
9
Pinout
Prior-
ity
CD54HC147 (CERDIP)
CD74HC147 (PDIP, SOIC, SOP, TSSOP)
CD74HCT147 (PDIP, TSSOP)
TOP VIEW
Encode
r, High
Speed
CMOS
Logic
10-to-4
Line
I4
I5
1
2
3
4
5
6
7
8
16 V
CC
15 NC
14 Y3
13 I3
12 I2
11 I1
10 I9
I6
I7
I8
Y2
Y1
GND
Prior-
ity
9
Y0
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright © 2003, Texas Instruments Incorporated
1
CD54HC147, CD74HC147, CD74HCT147
Functional Diagram
11
I1
9
12
Y0
I2
I3
I4
I5
I6
13
1
7
Y1
Y2
Y3
2
6
3
4
5
I7
I8
I9
14
10
GND = 8
= 16
V
CC
TRUTH TABLE
INPUTS
OUTPUTS
Y2 Y1
I1
H
X
X
X
X
X
X
X
X
L
I2
H
X
X
X
X
X
X
X
L
I3
H
X
X
X
X
X
X
L
I4
H
X
X
X
X
X
L
I5
H
X
X
X
X
L
I6
H
X
X
X
L
I7
H
X
X
L
I8
I9
H
L
Y3
H
L
Y0
H
L
H
X
L
H
H
H
H
L
H
H
L
H
H
H
H
H
H
H
H
L
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
H
L
H
H
H
H
H
L
H
H
L
H
H
H
H
L
H
L
H
H
H
H
H
H
H
H
L
H
L
H
H
H = High Logic Level, L = Low Logic Level, X = Don’t Care
2
CD54HC147, CD74HC147, CD74HCT147
Absolute Maximum Ratings
Thermal Information
DC Supply Voltage, V
. . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 7V
Package Thermal Impedance, θ (see Note 1):
JA
E (PDIP) Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67 C/W
M (SOIC) Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73 C/W
NS (SOP) Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 C/W
PW (TSSOP) Package . . . . . . . . . . . . . . . . . . . . . . . . . 108 C/W
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150 C
Maximum Storage Temperature Range . . . . . . . . . .-65 C to 150 C
Maximum Lead Temperature (Soldering 10s). . . . . . . . . . . . . 300 C
CC
DC Input Diode Current, I
For V < -0.5V or V > V
o
IK
o
+ 0.5V. . . . . . . . . . . . . . . . . . . . . .±20mA
OK
For V < -0.5V or V > V
I
I
CC
o
DC Output Diode Current, I
o
+ 0.5V . . . . . . . . . . . . . . . . . . . .±20mA
O
O
CC
o
DC Output Source or Sink Current per Output Pin, I
O
o
o
For V > -0.5V or V < V
+ 0.5V . . . . . . . . . . . . . . . . . . . .±25mA
O
O
CC
o
DC V
or Ground Current, I
I
. . . . . . . . . . . . . . . . . .±50mA
CC
CC or GND
(SOIC - Lead Tips Only)
Operating Conditions
o
o
Temperature Range (T ) . . . . . . . . . . . . . . . . . . . . . -55 C to 125 C
A
Supply Voltage Range, V
CC
HC Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2V to 6V
HCT Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5V to 5.5V
DC Input or Output Voltage, V , V . . . . . . . . . . . . . . . . . 0V to V
I
O
CC
Input Rise and Fall Time
2V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000ns (Max)
4.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500ns (Max)
6V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400ns (Max)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1. The package thermal impedance is calculated in accordance with JESD 51-7.
DC Electrical Specifications
TEST
CONDITIONS
o
o
o
o
o
25 C
-40 C TO 85 C -55 C TO 125 C
V
CC
PARAMETER
HC TYPES
SYMBOL
V (V)
I
I
(mA)
(V)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNITS
O
High Level Input
Voltage
V
-
-
-
2
4.5
6
1.5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1.5
-
1.5
-
-
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
µA
IH
3.15
-
-
3.15
-
-
3.15
4.2
4.2
4.2
-
Low Level Input
Voltage
V
-
2
-
0.5
1.35
1.8
-
-
0.5
1.35
1.8
-
-
0.5
1.35
1.8
-
IL
4.5
6
-
-
-
-
-
-
High Level Output
Voltage
CMOS Loads
V
V
or V
IH IL
-0.02
2
1.9
1.9
1.9
OH
-0.02
-0.02
-
4.5
6
4.4
-
4.4
-
4.4
-
5.9
-
5.9
-
5.9
-
High Level Output
Voltage
TTL Loads
-
-
-
-
-
-
-
-4
4.5
6
3.98
-
3.84
-
3.7
-
-5.2
0.02
0.02
0.02
-
5.48
-
5.34
-
5.2
-
Low Level Output
Voltage
CMOS Loads
V
V
or V
IH IL
2
-
-
-
-
-
-
-
0.1
0.1
0.1
-
-
-
-
-
-
-
-
0.1
0.1
0.1
-
-
-
-
-
-
-
-
0.1
0.1
0.1
-
OL
4.5
6
Low Level Output
Voltage
TTL Loads
-
4
4.5
6
0.26
0.26
±0.1
0.33
0.33
±1
0.4
0.4
±1
5.2
-
Input Leakage
Current
I
V
or
6
I
CC
GND
Quiescent Device
Current
I
V
GND
or
0
6
-
-
8
-
80
-
160
µA
CC
CC
3
CD54HC147, CD74HC147, CD74HCT147
DC Electrical Specifications (Continued)
TEST
CONDITIONS
o
o
o
o
o
25 C
-40 C TO 85 C -55 C TO 125 C
V
CC
PARAMETER
HCT TYPES
SYMBOL
V (V)
I
I
(mA)
(V)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNITS
O
High Level Input
Voltage
V
-
-
-
-
4.5 to
5.5
2
-
-
-
-
-
0.8
-
2
-
-
0.8
-
2
-
-
0.8
-
V
V
V
IH
Low Level Input
Voltage
V
4.5 to
5.5
IL
High Level Output
Voltage
CMOS Loads
V
V
V
or V
-0.02
4.5
4.5
4.5
4.5
4.4
4.4
4.4
OH
IH
IH
IL
High Level Output
Voltage
TTL Loads
-4
3.98
-
-
-
-
3.84
-
3.7
-
V
V
V
Low Level Output
Voltage
CMOS Loads
V
or V
0.02
4
-
-
0.1
0.26
-
-
0.1
0.33
-
-
0.1
0.4
OL
IL
Low Level Output
Voltage
TTL Loads
Input Leakage
Current
I
V
and
0
0
-
5.5
5.5
-
-
-
±0.1
8
-
-
-
±1
80
-
-
-
±1
µA
µA
µA
I
CC
GND
Quiescent Device
Current
I
V
or
-
160
490
CC
CC
GND
Additional Quiescent
Device Current Per
Input Pin: 1 Unit Load
∆I
CC
(Note 2)
V
4.5 to
5.5
100
360
450
CC
-2.1
NOTE:
2. For dual-supply systems theoretical worst case (V = 2.4V, V
I
= 5.5V) specification is 1.8mA.
CC
HCT Input Loading Table
INPUT
I , I , I , I , I
UNIT LOADS
1.1
1.5
1
2
3
6
7
I , I , I , I
5 8 9
4
NOTE: Unit Load is ∆I
360µA max at 25 C.
limit specified in DC Electrical Table, e.g.,
CC
o
Switching Specifications Input t , t = 6ns
r
f
o
o
o
o
o
25 C
-40 C TO 85 C -55 C TO 125 C
TEST
SYMBOL CONDITIONS
PARAMETER
HC TYPES
V
(V) MIN
TYP MAX
MIN
MAX
MIN
MAX
UNITS
CC
Propagation Delay,
Input to Output (Figure 1)
t
t
C = 50pF
2
-
-
-
160
32
-
-
-
-
-
-
-
-
-
200
40
-
-
-
-
-
-
-
-
-
240
48
-
ns
ns
ns
ns
ns
ns
ns
pF
PLH, PHL
L
4.5
5
-
-
-
-
-
-
-
13
-
6
27
75
15
13
10
34
95
19
16
10
41
110
22
19
10
Transition Times
(Figure 1)
t
, t
TLH THL
C = 50pF
L
2
-
4.5
6
-
-
Input Capacitance
C
-
-
-
IN
4
CD54HC147, CD74HC147, CD74HCT147
Switching Specifications Input t , t = 6ns (Continued)
r
f
o
o
o
o
o
25 C
-40 C TO 85 C -55 C TO 125 C
TEST
PARAMETER
SYMBOL CONDITIONS
V
(V) MIN
TYP MAX
MIN
MAX
MIN
MAX
UNITS
CC
Power Dissipation Capaci-
tance
C
-
5
-
32
-
-
-
-
-
pF
PD
(Notes 3, 4)
HCT TYPES
Propagation Delay,
Input to Output (Figure 2)
t
, t
C = 50pF
4.5
5
-
-
-
-
-
-
14
-
35
-
-
-
-
-
-
44
-
-
-
-
-
-
53
-
ns
ns
ns
pF
pF
PLH PHL
L
Transition Times (Figure 2)
Input Capacitance
t
, t
TLH THL
C = 50pF
L
4.5
-
15
10
-
19
10
-
22
10
-
C
-
-
-
IN
Power Dissipation Capaci-
tance
C
5
42
PD
(Notes 3, 4)
NOTES:
3. C
is used to determine the dynamic power consumption, per gate.
2
PD
4. P = V
f (C
PD
+ C ) where f = Input Frequency, C = Output Load Capacitance, V = Supply Voltage.
CC
D
CC
i
L
i
L
Test Circuits and Waveforms
t = 6ns
t = 6ns
f
r
t = 6ns
f
t = 6ns
r
V
CC
3V
90%
50%
10%
2.7V
1.3V
0.3V
INPUT
INPUT
GND
GND
t
t
TLH
THL
t
t
THL
TLH
90%
1.3V
90%
50%
10%
INVERTING
OUTPUT
INVERTING
OUTPUT
10%
t
t
t
t
PLH
PLH
PHL
PHL
FIGURE 6. HC AND HCU TRANSITION TIMES AND PROPAGA-
TION DELAY TIMES, COMBINATION LOGIC
FIGURE 7. HCT TRANSITION TIMES AND PROPAGATION
DELAY TIMES, COMBINATION LOGIC
5
PACKAGE OPTION ADDENDUM
www.ti.com
4-Jun-2007
PACKAGING INFORMATION
Orderable Device
Status (1)
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
CDIP
CDIP
PDIP
Drawing
8406401EA
CD54HC147F3A
CD74HC147E
ACTIVE
ACTIVE
ACTIVE
J
J
16
16
16
1
1
TBD
TBD
A42 SNPB
A42 SNPB
N / A for Pkg Type
N / A for Pkg Type
N
25
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
CD74HC147EE4
CD74HC147M
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
PDIP
SOIC
N
D
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
25
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
40 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
CD74HC147M96
CD74HC147M96E4
CD74HC147M96G4
CD74HC147ME4
CD74HC147MG4
CD74HC147MT
SOIC
D
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SOIC
D
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SOIC
D
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SOIC
D
40 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SOIC
D
40 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SOIC
D
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
CD74HC147MTE4
CD74HC147MTG4
CD74HC147NSR
CD74HC147NSRE4
CD74HC147NSRG4
CD74HC147PW
SOIC
D
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SOIC
D
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SO
NS
NS
NS
PW
PW
PW
PW
PW
PW
PW
PW
PW
N
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SO
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SO
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TSSOP
TSSOP
TSSOP
TSSOP
TSSOP
TSSOP
TSSOP
TSSOP
TSSOP
PDIP
90 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
CD74HC147PWE4
CD74HC147PWG4
CD74HC147PWR
CD74HC147PWRE4
CD74HC147PWRG4
CD74HC147PWT
CD74HC147PWTE4
CD74HC147PWTG4
CD74HCT147E
90 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
90 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
25
Pb-Free
CU NIPDAU N / A for Pkg Type
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
4-Jun-2007
Orderable Device
Status (1)
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
(RoHS)
CD74HCT147EE4
ACTIVE
PDIP
N
16
25
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS
compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
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to Customer on an annual basis.
Addendum-Page 2
PACKAGE MATERIALS INFORMATION
www.ti.com
9-Jun-2007
TAPE AND REEL INFORMATION
Pack Materials-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
9-Jun-2007
Device
Package Pins
Site
Reel
Reel
A0 (mm)
B0 (mm)
K0 (mm)
P1
W
Pin1
Diameter Width
(mm) (mm) Quadrant
(mm)
330
(mm)
16
CD74HC147M96
CD74HC147NSR
CD74HC147PWR
D
16
16
16
FMX
MLA
MLA
6.5
8.2
7.0
10.3
10.5
5.6
2.1
2.5
1.6
8
12
8
16
16
12
Q1
Q1
Q1
NS
PW
330
16
330
12
TAPE AND REEL BOX INFORMATION
Device
Package
Pins
Site
Length (mm) Width (mm) Height (mm)
CD74HC147M96
CD74HC147NSR
CD74HC147PWR
D
16
16
16
FMX
MLA
MLA
342.9
342.9
338.1
336.6
336.6
340.5
28.58
28.58
20.64
NS
PW
Pack Materials-Page 2
PACKAGE MATERIALS INFORMATION
www.ti.com
9-Jun-2007
Pack Materials-Page 3
MECHANICAL DATA
MTSS001C – JANUARY 1995 – REVISED FEBRUARY 1999
PW (R-PDSO-G**)
PLASTIC SMALL-OUTLINE PACKAGE
14 PINS SHOWN
0,30
0,19
M
0,10
0,65
14
8
0,15 NOM
4,50
4,30
6,60
6,20
Gage Plane
0,25
1
7
0°–8°
A
0,75
0,50
Seating Plane
0,10
0,15
0,05
1,20 MAX
PINS **
8
14
16
20
24
28
DIM
3,10
2,90
5,10
4,90
5,10
4,90
6,60
6,40
7,90
9,80
9,60
A MAX
A MIN
7,70
4040064/F 01/97
NOTES: A. All linear dimensions are in millimeters.
B. This drawing is subject to change without notice.
C. Body dimensions do not include mold flash or protrusion not to exceed 0,15.
D. Falls within JEDEC MO-153
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