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SN74AHC157DBLE bảng dữ liệu(PDF) 1 Page - Texas Instruments

tên linh kiện SN74AHC157DBLE
Giải thích chi tiết về linh kiện  QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
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nhà sản xuất  TI1 [Texas Instruments]
Trang chủ  http://www.ti.com
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SN74AHC157DBLE bảng dữ liệu(HTML) 1 Page - Texas Instruments

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SN74AHC157 . . . D,DB,DGV,N,NS,
OR PW PACKAGE
(TOP VIEW)
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
4A
4B
NC
4Y
3A
1B
1Y
NC
2A
2B
SN54AHC157 . . . FK PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A /B
1A
1B
1Y
2A
2B
2Y
GND
VCC
G
4A
4B
4Y
3A
3B
3Y
NC − No internal connection
SN74AHC157 . . . RGY PACKAGE
(TOP VIEW)
1
16
8
9
2
3
4
5
6
7
15
14
13
12
11
10
G
4A
4B
4Y
3A
3B
1A
1B
1Y
2A
2B
2Y
SN54AHC157 . . . J or W PACKAGE
SN54AHC157
SN74AHC157
www.ti.com
SCLS345J – MAY 1996 – REVISED JUNE 2013
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
Check for Samples: SN54AHC157, SN74AHC157
1
FEATURES
Operating Range 2-V to 5.5-V
ESD Protection Exceeds JESD 22
Latch-Up Performance Exceeds 250 mA Per
2000-V Human-Body Model (A114-A)
JESD 17
200-V Machine Model (A115-A)
1000-V Charged-Device Model (C101)
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.
Copyright © 1996–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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