參數(shù)資料
型號： SN54LVC157AW
廠商： TEXAS INSTRUMENTS INC
元件分類： 編、解碼器及復用、解復用
英文描述： LVC/LCX/Z SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDFP16
封裝： CERAMIC, FP-16
文件頁數(shù)： 1/10頁
文件大?。?/td> 397K
代理商： SN54LVC157AW
SN54LVC157A, SN74LVC157A
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SCAS292H – JANUARY 1993 – REVISED JUNE 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D EPIC (Enhanced-Performance Implanted
CMOS) Submicron Process
D Typical VOLP (Output Ground Bounce)
<0.8 V at VCC = 3.3 V, TA = 25°C
D Typical VOHV (Output VOH Undershoot)
>2 V at VCC = 3.3 V, TA = 25°C
D Inputs Accept Voltages to 5.5 V
D ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
D Latch-Up Performance Exceeds 250 mA Per
JESD 17
D Package Options Include Plastic
Small-Outline (D), Shrink Small-Outline
(DB), and Thin Shrink Small-Outline (PW)
Packages, Ceramic Flat (W) Packages,
Ceramic Chip Carriers (FK), and Standard
Ceramic (J) DIPs
description
These
quadruple
2-line
to
1-line
data
selectors/multiplexers are designed for 1.65-V to
3.6-V VCC operation.
The ’LVC157A devices feature a common strobe
(G) input. When G is high, all outputs are low.
When G 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.
Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators
in a mixed 3.3-V/5-V system environment.
The SN54LVC157A is characterized for operation over the full military temperature range of –55
°C to 125°C.
The SN74LVC157A is characterized for operation from –40
°C to 85°C.
FUNCTION TABLE
INPUTS
OUTPUT
G
A/B
A
B
Y
H
X
L
LL
X
L
LH
X
H
L
HX
L
H
X
H
Copyright
2000, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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.
EPIC is a trademark of Texas Instruments.
SN54LVC157A ...J OR W PACKAGE
SN74LVC157A . . . D, DB, OR PW PACKAGE
(TOP VIEW)
32 1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
4A
4B
NC
4Y
3A
SN54LVC157A . . . FK PACKAGE
(TOP VIEW)
1A
A/B
NC
3Y
3B
V
G
2Y
GND
NC
CC
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
1B
1Y
NC
2A
2B
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
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