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Número de pieza | IN74ACT157 | |
Descripción | Quad 2-1 Data Selector/Multiplexer | |
Fabricantes | IK Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de IN74ACT157 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
No Preview Available ! TECHNICAL DATA
Quad 2-Input Data Selector/Multiplexer
High-Speed Silicon-Gate CMOS
IN74ACT157
The IN74ACT157 is identical in pinout to the LS/ALS157,
HC/HCT157. The IN74ACT157 may be used as a level converter for
interfacing TTL or NMOS outputs to High Speed CMOS inputs.
This device routes 2 nibbles (A or B) to a single port (Y) as
determined by the Select input. The data is presented at the outputs in
noninvertered form. A high level on the Output Enable input sets all four
Y outputs to a low level.
• TTL/NMOS Compatible Input Levels
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 µA; 0.1 µA @ 25°C
• Outputs Source/Sink 24 mA
ORDERING INFORMATION
IN74ACT157N Plastic
IN74ACT157D SOIC
TA = -40° to 85° C for all packages
LOGIC DIAGRAM
PIN ASSIGNMENT
www.datasheet4u.cPPoIINNm816=
=VCC
GND
FUNCTION TABLE
Inputs
Outputs
Output
Enable
Select Y0-Y3
H XL
L L A0-A3
L H B0-B3
X=don’t care
A0-A3,B0-B3=the levels of the respective
Data-Word Inputs
1
1 page IN74ACT157
Figure 3. Switching Waveforms
EXPANDED LOGIC DIAGRAM
A0 B0
A1 B1 A2 B2 A3 B3 OE SELECT
Y0 Y1 Y2
Y3
5
5 Page |
Páginas | Total 6 Páginas | |
PDF Descargar | [ Datasheet IN74ACT157.PDF ] |
Número de pieza | Descripción | Fabricantes |
IN74ACT151 | 8-1 Data Selector/Multiplexer | IK Semiconductor |
IN74ACT153 | Dual 4-1 Data Selector/Multiplexer | IK Semiconductor |
IN74ACT157 | Quad 2-1 Data Selector/Multiplexer | IK Semiconductor |
IN74ACT158 | Quad 2-1 Data Selector/Multiplexer | IK Semiconductor |
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