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SN54HCT157_07 PDF预览

SN54HCT157_07

更新时间: 2024-09-28 05:05:03
品牌 Logo 应用领域
德州仪器 - TI 复用器
页数 文件大小 规格书
13页 342K
描述
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS

SN54HCT157_07 数据手册

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ꢀꢁ ꢂꢃ ꢄꢅ ꢆꢇ ꢂ ꢈ ꢉ ꢀꢁ ꢈꢃ ꢄꢅ ꢆꢇ ꢂꢈ  
SCLS071D − NOVEMBER 1988 − REVISED OCTOBER 2003  
D
D
Operating Voltage Range of 4.5 V to 5.5 V  
D
D
D
D
6-mA Output Drive at 5 V  
High-Current Outputs Drive Up To 15  
LSTTL Loads  
Low Input Current of 1 µA Max  
Inputs Are TTL-Voltage Compatible  
Buffered Inputs and Outputs  
D
Typical t = 15 ns  
pd  
D
Low Power Consumption, 80-µA Max I  
CC  
SN54HCT157 . . . J OR W PACKAGE  
SN74HCT157 . . . D OR N PACKAGE  
(TOP VIEW)  
SN54HCT157 . . . FK PACKAGE  
(TOP VIEW)  
A/B  
1A  
1
2
3
4
5
6
7
8
V
CC  
G
16  
15  
14  
13  
12  
3
2
1
20 19  
18  
4A  
4B  
NC  
4Y  
1B  
1Y  
NC  
2A  
2B  
4
5
6
7
8
1B  
4A  
4B  
4Y  
17  
16  
15  
1Y  
2A  
2B  
11 3A  
14 3A  
9 10 11 12 13  
10  
9
2Y  
3B  
3Y  
GND  
NC − No internal connection  
description/ordering information  
These data selectors/multiplexers contain inverters and drivers to supply full data selection to the four output  
gates. A separate strobe (G) input is provided. A 4-bit word is selected from one of two sources and is routed  
to the four outputs.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
PACKAGE  
T
A
PDIP − N  
SOIC − D  
Tube of 25  
Tube of 40  
Reel of 2500  
Reel of 250  
Tube of 25  
Tube of 150  
Tube of 55  
SN74HCT157N  
SN74HCT157D  
SN74HCT157DR  
SN74HCT157DT  
SNJ54HCT157J  
SNJ54HCT157W  
SNJ54HCT157FK  
SN74HCT157N  
−40°C to 85°C  
HCT157  
CDIP − J  
CFP − W  
LCCC − FK  
SNJ54HCT157J  
SNJ54HCT157W  
SNJ54HCT157FK  
−55°C to 125°C  
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are  
available at www.ti.com/sc/package.  
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.  
Copyright 2003, Texas Instruments Incorporated  
ꢋ ꢁ ꢐꢑꢀꢀ ꢕ ꢆꢄ ꢑꢎꢙ ꢔꢀ ꢑ ꢁ ꢕꢆꢑꢍ ꢚꢛ ꢜꢝ ꢞꢟꢠ ꢡꢢꢣ ꢤꢚ ꢠꢟ ꢤꢚꢥ ꢜꢤꢝ ꢏꢎ ꢕ ꢍ ꢋ ꢅꢆ ꢔꢕ ꢁ  
ꢨꢥ ꢧ ꢥ ꢢ ꢣ ꢚ ꢣ ꢧ ꢝ ꢫ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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