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SN54AS822

更新时间： 2024-11-14 22:59:15
品牌 Logo 应用领域
德州仪器 - TI 触发器输出元件
页数 文件大小 规格书
6页 88K
描述
10-BIT BUS INTERFACE FLIP-FLOPS WITH 3-STATE OUTPUTS

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SN54AS822 数据手册

 浏览型号SN54AS822的Datasheet PDF文件第2页浏览型号SN54AS822的Datasheet PDF文件第3页浏览型号SN54AS822的Datasheet PDF文件第4页浏览型号SN54AS822的Datasheet PDF文件第5页浏览型号SN54AS822的Datasheet PDF文件第6页 
SN54AS821, SN54AS822, SN74AS821, SN74AS822  
10-BIT BUS INTERFACE FLIP-FLOPS WITH 3-STATE OUTPUTS  
SDAS230 – D2825, DECEMBER 1983 – REVISED JANUARY 1986  
SN54AS821 . . . JT PACKAGE  
SN74AS821 . . . DW OR NT PACKAGE  
(TOP VIEW)  
• Functionally Equivalent to AMD’s AM29821  
and AM29822  
•
•
Provides Extra Data Width Necessary for  
Wider Address/Data Paths or Buses With  
Parity  
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  
2
Outputs Have Undershoot Protection  
Circuitry  
3
4
5
•
•
Powerup High-impedance State  
6
Package Options Include Plastic Small  
Outline Packages, Both Plastic and  
Ceramic Chip Carriers, and Standard  
Plastic and Ceramic 300-mil DIPs  
7
8
9
9D  
10D  
GND  
10  
11  
12  
•
•
Buffered Control Inputs to Reduce DC  
Loading Effects  
V
CC  
Dependable Texas Instruments Quality and  
Reliability  
description  
These 10-bit flip-flops feature 3-state outputs designed specifically for driving highly-capacitive or relatively  
low-impedance loads. They are particularly suitable for implementing wider buffer registers, I/O ports,  
bidirectional bus drivers with parity, and working registers.  
The ten flip-flops are edge-triggered D-type flip-flops. On the positive transition of the clock the Q outputs on  
the ’AS821 will be true, and on the ’AS822 will be complementary to the data input.  
A buffered output-control input can be used to place the ten outputs in either a normal logic state (high or low  
levels) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines  
significantly. The high-impedance state and increased drive provide the capability to drive the bus lines in a  
bus-organized system without need for interface or pullup components. The output control (OC) does not affect  
the internal operation of the flip-flops. Old data can be retained or new data can be entered while the outputs  
are in the high-impedance state.  
The SN54AS’ family is characterized for operation over the full military temperature range of –55°C to 125°C.  
The SN74AS’ family is characterized for operation from 0°C to 70°C.  
SN54AS821 . . . FK PACKAGE  
SN74AS821 . . . FN PACKAGE  
SN54AS822 . . . JT PACKAGE  
SN74AS822 . . . DW OR NT PACKAGE  
SN54AS822 . . . FK PACKAGE  
SN74AS822 . . . FN PACKAGE  
(TOP VIEW)  
(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  
CLK  
2
3
4
4
3
2
1
28 27 26  
3 2 1 28 27 26  
5
5
25 3Q  
25 3Q  
3D  
4D  
5D  
NC  
6D  
7D  
8D  
3D  
4D  
5D  
NC  
6D  
7D  
8D  
4
6
4Q  
5Q  
NC  
6Q  
7Q  
8Q  
6
4Q  
5Q  
NC  
6Q  
7Q  
8Q  
24  
23  
22  
21  
20  
19  
24  
23  
22  
21  
20  
19  
5
7
7
6
8
8
7
9
9
8
10  
10  
9
11  
11  
9D  
10D  
GND  
10  
11  
12  
12 13 14 15 16 17 18  
12 13 14 15 16 17 18  
NC–No internal connection  
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  
123456

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与SN54AS822相关器件

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SN54AS822FH TI

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 		IC,FLIP-FLOP,10-BIT,D TYPE,AS-TTL,LLCC,28PIN,CERAMIC
SN54AS822FH-00 TI

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 		AS SERIES, 10-BIT DRIVER, INVERTED OUTPUT, CQCC28
SN54AS822FK TI

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 		10-BIT BUS INTERFACE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54AS822JT TI

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 		10-BIT BUS INTERFACE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54AS822JT-00 TI

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 		AS SERIES, 10-BIT DRIVER, INVERTED OUTPUT, CDIP24
SN54AS823A TI

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 		9-BIT BUS-INTERFACE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54AS823A_15 TI

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 		9-BIT BUS-INTERFACE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54AS823AFK TI

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 		9-BIT BUS-INTERFACE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54AS823AJT TI

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 		9-BIT BUS-INTERFACE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54AS823FH TI

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 		IC,FLIP-FLOP,9-BIT,D TYPE,AS-TTL,LLCC,28PIN,CERAMIC

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