ordering information These quadruple 2-line to 1-line data selectors/multiplexers are designed for 1.5-V to 5.5-V VCC operation. The ’AC157 devices feature a common strobe (G) input. When the strobe is high, all outputs are low. When the strobe is low, a 4-bit word is selected from one of two sources and is routed to the four outputs. The devices provide tr.
s provide true data.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE PART NUMBER
TOP-SIDE MARKING
PDIP
– E
Tube
CD74AC157E
CD74AC157E
–55°C to 125°C SOIC
– M
Tube
CD74AC157M
Tape and reel CD74AC157M96
AC157M
CDIP
– F
Tube
CD54AC157F3A
CD54AC157F3A
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package.
FUNCTION TABLE
INPUTS G A/B A
OUTPUT
B
Y
H
X
X
X
L
L
L
L
X
L
L
L
H
X
H
L
H
X
L
L
L
H
X
H
H
Please be aware that an important notice concerning availability, standa.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | CD54AC153 |
Texas Instruments |
DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS | |
2 | CD54AC109 |
Texas Instruments |
DUAL J-K POSITIVE-EDGE-TRIGGERED FLIP-FLOPS | |
3 | CD54AC112 |
Texas Instruments |
DUAL J-K NEGATIVE-EDGE-TRIGGERED FLIP-FLOPS | |
4 | CD54AC138 |
Texas Instruments |
3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS | |
5 | CD54AC139 |
Texas Instruments |
DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS | |
6 | CD54AC161 |
Texas Instruments |
4-BIT SYNCHRONOUS BINARY COUNTERS | |
7 | CD54AC163 |
Texas Instruments |
4-BIT SYNCHRONOUS BINARY COUNTERS | |
8 | CD54AC164 |
Texas Instruments |
8-Bit Serial-In/Parallel-Out Shift Register | |
9 | CD54AC191 |
Texas Instruments |
Presettable Synchronous 4-Bit Binary Up/Down Counter | |
10 | CD54AC00 |
Texas Instruments |
QUADRUPLE 2-INPUT POSITIVE-NAND GATES | |
11 | CD54AC02 |
Texas Instruments |
QUADRUPLE 2-INPUT POSITIVE-NOR GATES | |
12 | CD54AC04 |
Texas Instruments |
Hex Inverters |