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Renesas Electronics Components Datasheet

HD74LS157P Datasheet

Quadruple 2-line-to-1-line Data Selectors/Multiplexers

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HD74LS157
Quadruple 2-line-to-1-line Data Selectors / Multiplexers
(noninverted outputs)
REJ03D0442–0200
Rev.2.00
Feb.18.2005
This data selector / multiplexer contains inverters and drivers to supply full on-chip data selection to the four output
gates. A separate strobe input is provided. A 4-bit word is selected from one of two sources and is routed to the four
outputs. Then, outputs present true data to minimize propagation delay time.
Features
Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
HD74LS157P
DILP-16 pin
PRDP0016AE-B
P
(DP-16FV)
HD74LS157FPEL SOP-16 pin (JEITA)
PRSP0016DH-B
(FP-16DAV)
FP
PRSP0016DG-A
HD74LS157RPEL SOP-16 pin (JEDEC) (FP-16DNV)
RP
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
EL (2,000 pcs/reel)
EL (2,500 pcs/reel)
Pin Arrangement
Select 1
1A 2
Inputs
1B 3
Output 1Y 4
2A 5
Inputs
2B 6
Output 2Y 7
GND 8
S
1A
G
1B
4A
1Y
4B
2A
4Y
2B
3A
2Y
3B
3Y
16 VCC
15 Strobe
14 4A
Inputs
13 4B
12 4Y Output
11 3A
Inputs
10 3B
9 3Y Output
(Top view)
Rev.2.00, Feb.18.2005, page 1 of 6


Renesas Electronics Components Datasheet

HD74LS157P Datasheet

Quadruple 2-line-to-1-line Data Selectors/Multiplexers

No Preview Available !

HD74LS157
Function Table
Inputs
Strobe
Select
A
H
X
X
L
L
L
L
L
H
L
H
X
L
H
X
H ; high level, L ; low level, X ; irrelevant
Block Diagram
1A
1B
2A
Data
2B
Inputs 3A
3B
4A
4B
Strobe G
Select S
Output
B
Y
X
L
X
L
X
H
L
L
H
H
1Y
2Y
Outputs
3Y
4Y
Absolute Maximum Ratings
Item
Symbol
Ratings
Supply voltage
VCC
7
Input voltage
VIN
7
Power dissipation
PT
400
Storage temperature
Tstg
–65 to +150
Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.
Recommended Operating Conditions
Item
Supply voltage
Output current
Operating temperature
Symbol
VCC
IOH
IOL
Topr
Min
4.75
–20
Typ
5.00
25
Max
5.25
–400
8
75
Unit
V
V
mW
°C
Unit
V
µA
mA
°C
Rev.2.00, Feb.18.2005, page 2 of 6


Part Number HD74LS157P
Description Quadruple 2-line-to-1-line Data Selectors/Multiplexers
Maker Renesas
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HD74LS157P Datasheet PDF






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