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参数资料
| 型号： | SN54HCT157FKR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | HCT SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 1/6页 |
| 文件大小： | 105K |
| 代理商： | SN54HCT157FKR |
SN54HCT157, SN74HCT157
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SCLS071B – NOVEMBER 1988 – REVISED MAY 1997
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Inputs Are TTL-Voltage Compatible
D Buffered Inputs and Outputs
D Package Options Include Plastic
Small-Outline (D) and Ceramic Flat (W)
Packages, Ceramic Chip Carriers (FK), and
Standard Plastic (N) and Ceramic (J)
300-mil DIPs
description
These monolithic 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.
The SN54HCT157 is characterized for operation
over the full military temperature range of –55
°C
to 125
°C. The SN74HCT157 is characterized for
operation from –40
°C to 85°C.
FUNCTION TABLE
INPUTS
OUTPUT
STROBE
SELECT
DATA
OUTPUT
Y
G
A/B
A
B
Y
H
X
L
XL
L
H
XH
L
H
X
LL
L
H
X
H
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.
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
SN54HCT157 ...J OR W PACKAGE
SN74HCT157 ...D OR N PACKAGE
(TOP VIEW)
32 1 20 19
910 11 1213
4
5
6
7
8
18
17
16
15
14
4A
4B
NC
4Y
3A
1B
1Y
NC
2A
2B
1A
A/B
NC
3Y
3B
V
G
2Y
GND
NC
SN54HCT157 . . . FK PACKAGE
(TOP VIEW)
CC
NC – No internal connection
Copyright
1997, Texas Instruments Incorporated
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information 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.
相关PDF资料 |
PDF描述 |
|---|---|
| SN54HCT244J-00 | HCT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CDIP20 |
| SNJ54HCT244FK-00 | HCT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC20 |
| SN74HCT244DWR-00 | HCT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| SN54HCT244W | HCT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CDFP20 |
| SN54HCT244FK | HCT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC20 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SN54HCT237J | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN54HCT238J | 制造商:Texas Instruments 功能描述: |
| SN54HCT240J | 制造商:Texas Instruments 功能描述:Buffer/Line Driver 8-CH Inverting 3-ST CMOS 20-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:BFFR/LINE DRVR 8CH INV 3-ST CMOS 20CDIP - Rail/Tube |
| SN54HCT241J | 制造商:Texas Instruments 功能描述: |
| SN54HCT244J | 制造商:Texas Instruments 功能描述:Buffer/Line Driver 8-CH Non-Inverting 3-ST CMOS 20-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:BFFR/LINE DRVR 8CH NON-INV 3-ST CMOS 20CDIP - Rail/Tube |
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