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AHC157 Datasheet Preview

AHC157 Datasheet

QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS

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SN54AHC157
SN74AHC157
SCLS345J – MAY 1996 – REVISED JUNE 2013
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
Check for Samples: SN54AHC157, SN74AHC157
FEATURES
1
• Operating Range 2-V to 5.5-V
• Latch-Up Performance Exceeds 250 mA Per
JESD 17
• ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
SN54AHC157 . . . J or W PACKAGE
SN74AHC157 . . . D,DB,DGV,N,NS,
OR PW PACKAGE
(TOP VIEW)
SN74AHC157 . . . RGY PACKAGE
(TOP VIEW)
SN54AHC157 . . . FK PACKAGE
(TOP VIEW)
A /B 1
1A 2
1B 3
1Y 4
2A 5
2B 6
2Y 7
GND 8
16 VCC
15 G
14 4A
13 4B
12 4Y
11 3A
10 3B
9 3Y
1
1A 2
1B 3
1Y 4
2A 5
2B 6
2Y 7
8
16
15 G
14 4A
13 4B
12 4Y
11 3A
10 3B
9
3 2 1 20 19
1B 4
18 4A
1Y 5
17 4B
NC 6
16 NC
2A 7
15 4Y
2B 8
14 3A
9 10 11 12 13
NC − No internal connection
DESCRIPTION
These quadruple 2-line to 1-line data selectors/multiplexers are designed for 2-V to 5.5-V VCC operation.
The ’AHC157 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 true data.
FUNCTION TABLE
INPUTS
OUTP
UT
G A/B A
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
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 1996–2013, Texas Instruments Incorporated




etcTI

AHC157 Datasheet Preview

AHC157 Datasheet

QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS

No Preview Available !

SN54AHC157
SN74AHC157
SCLS345J – MAY 1996 – REVISED JUNE 2013
2
1A
LOGIC DIAGRAM (POSITIVE LOGIC)
3
1B
5
2A
6
2B
11
3A
10
3B
14
4A
13
4B
15
G
1
A/B
Pin numbers shown are for the D, DB, DGV, J, N, NS, PW, RGY, and W packages.
4
1Y
7
2Y
9
3Y
12
4Y
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Copyright © 1996–2013, Texas Instruments Incorporated
Product Folder Links: SN54AHC157 SN74AHC157


Part Number AHC157
Description QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
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