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SN54ALS842

更新时间: 2024-11-30 21:55:07
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德州仪器 - TI 锁存器输出元件
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描述
10-BIT BUS INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS

SN54ALS842 数据手册

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SN54ALS841, SN54AS841, SN54ALS842, SN54AS842  
SN74ALS841, SN74AS841, SN74ALS842, SN74AS842  
10-BIT BUS INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS  
SDAS059B – D2910, DECEMBER 1983 – REVISED MAY 1986  
3-State Buffer-Type Outputs Drive  
Bus-Lines Directly  
Power-Up High-Impedance State  
Package Options Include Plastic Small  
Outline Packages, Both Plastic and  
Ceramic Chip Carriers, and Standard  
Plastic and Ceramic 300-mil DIPs  
Bus-Structured Pinout  
Provide Extra Bus Driving Latches  
Necessary for Wider Address/Data Paths or  
Buses with Parity  
Dependable Texas Instruments Quality and  
Reliability  
Buffered Control Inputs to Reduce DC  
Loading  
description  
These 10-bit latches feature 3-state outputs designed specifically for driving highly-capacitive or relatively  
low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional  
bus drivers, and working registers.  
The ten latches are transparent D-type. The ’ALS841 and ’AS841 have noninverting data (D) inputs. The  
’ALS842 and ’AS842 have inverting D inputs.  
SN54ALS841, SN54AS841 . . . FK PACKAGE  
SN74ALS841, SN74AS841 . . . FN PACKAGE  
SN54ALS841, SN54AS841 . . . JT PACKAGE  
SN74ALS841, SN74AS841 . . . DW OR NT PACKAGE  
(TOP VIEW)  
(TOP VIEW)  
OC  
1D  
2D  
3D  
4D  
5D  
6D  
7D  
8D  
V
CC  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
1Q  
2Q  
3Q  
4Q  
5Q  
6Q  
7Q  
8Q  
9Q  
10Q  
C
2
4
3
2 1 28 27 26  
3
5
25 3Q  
3D  
4D  
5D  
NC  
6D  
7D  
8D  
4
6
4Q  
5Q  
NC  
6Q  
7Q  
8Q  
24  
23  
22  
21  
20  
19  
5
7
6
8
7
9
8
10  
11  
9
9D  
10D  
GND  
10  
11  
12  
12 13 14 15 16 17 18  
SN54ALS842, SN54AS842 . . . FK PACKAGE  
SN74ALS842, SN74AS842 . . . FN PACKAGE  
SN54ALS842, SN54AS842 . . . JT PACKAGE  
SN74ALS842, SN74AS842 . . . DW OR NT PACKAGE  
(TOP VIEW)  
(TOP VIEW)  
OC  
1D  
2D  
3D  
4D  
5D  
6D  
7D  
8D  
V
CC  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
1Q  
2Q  
3Q  
4Q  
5Q  
6Q  
7Q  
8Q  
9Q  
10Q  
C
2
4
3
2 1 28 27 26  
3
5
25 3Q  
3D  
4D  
5D  
NC  
6D  
7D  
8D  
4
6
4Q  
5Q  
NC  
6Q  
7Q  
8Q  
24  
23  
22  
21  
20  
19  
5
7
6
8
7
9
8
10  
11  
9
9D  
10D  
GND  
10  
11  
12  
12 13 14 15 16 17 18  
Copyright 1986, Texas Instruments Incorporated  
5BASIC  
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  

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