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SN74HC253DBR

更新时间： 2024-09-28 13:13:47
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德州仪器 - TI 复用器输出元件
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SN74HC253DBR 数据手册

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SN54HC253, SN74HC253  
DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS  
WITH 3-STATE OUTPUTS  
SCLS133B – DECEMBER 1982 – REVISED MAY 1997  
SN54HC253 . . . J OR W PACKAGE  
SN74HC253 . . . D OR N PACKAGE  
3-State Version of ’HC153  
High-Current Inverting Outputs Drive up to  
15 LSTTL Loads  
(TOP VIEW)  
Permit Multiplexing from n Lines to One  
Line  
1OE  
B
V
CC  
2OE  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
1C3  
1C2  
1C1  
1C0  
1Y  
A
Perform Parallel-to-Serial Conversion  
2C3  
2C2  
2C1  
2C0  
2Y  
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  
GND  
description  
SN54HC253 . . . FK PACKAGE  
(TOP VIEW)  
Each of these data selectors/multiplexers contain  
invertersanddriverstosupplyfullbinarydecoding  
data selection to the AND-OR gates. Separate  
output-control inputs are provided for each of the  
two 4-line sections.  
3
2
1
20 19  
18  
1C3  
1C2  
NC  
A
4
5
6
7
8
17  
16  
15  
14  
2C3  
NC  
2C2  
2C1  
The 3-state outputs can interface with and drive  
data lines of bus-organized systems. With all but  
one of the common outputs disabled (at the  
high-impedance state), the low impedance of the  
single enabled output drives the bus line to a high  
or low logic level. Each output has its own  
output-enable (OE) input. The outputs are  
disabled when their respective OE is high.  
1C1  
1C0  
9 10 11 12 13  
NC – No internal connection  
The SN54HC253 is characterized for operation over the full military temperature range of –55°C to 125°C. The  
SN74HC253 is characterized for operation from –40°C to 85 °C.  
FUNCTION TABLE  
INPUTS  
OUTPUT  
†
SELECT  
DATA  
C1  
Y
OE  
B
X
L
A
X
L
C0  
X
L
C2  
X
X
X
X
X
L
C3  
X
X
X
X
X
X
X
L
X
X
X
L
H
L
L
L
L
L
L
L
L
Z
L
L
L
H
X
X
X
X
X
X
H
L
L
H
H
L
L
H
X
X
X
X
H
L
H
H
H
H
L
H
X
X
H
L
H
H
H
H
†
Select inputs A and B are common to both sections.  
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 1997, 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.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
12345678

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SN74HC253DBR 替代型号

型号 品牌 替代类型 描述 数据表
SN74HC253DBRE4 TI

完全替代

 HC SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, GREEN, PLASTIC, SSOP-16
74HC253DB,118 NXP

功能相似

 74HC(T)253 - Dual 4-input multiplexer; 3-state SSOP1 16-Pin
74HC253DB,112 NXP

功能相似

 74HC(T)253 - Dual 4-input multiplexer; 3-state SSOP1 16-Pin

与SN74HC253DBR相关器件

型号 品牌 获取价格 描述 数据表
SN74HC253DBRE4 TI

获取价格

 		HC SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, GREEN, PLASTIC, SSOP-16
SN74HC253DBRE4 ROCHESTER

获取价格

 		Multiplexer, HC Series, 2-Func, 4 Line Input, 1 Line Output, True Output, CMOS, PDSO16, GR
SN74HC253DBRG4 ROCHESTER

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 		Multiplexer, HC Series, 2-Func, 4 Line Input, 1 Line Output, True Output, CMOS, PDSO16, GR
SN74HC253DBRG4 TI

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 		DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SN74HC253DE4 TI

获取价格

 		HC SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, GREEN, PLASTIC, MS-012A
SN74HC253DG4 TI

获取价格

 		HC SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, GREEN, PLASTIC, MS-012A
SN74HC253DR TI

获取价格

 		具有三态输出的双路 4 线路至 1 线路数据选择器/多路复用器 | D | 16 | -4
SN74HC253DRE4 TI

获取价格

 		Dual 4-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC -40 to 85
SN74HC253DRG4 TI

获取价格

 		Dual 4-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC -40 to 85
SN74HC253DT TI

获取价格

 		Dual 4-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC -40 to 85

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