参数资料
型号: SN74AS823DWR
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: AS SERIES, 9-BIT DRIVER, TRUE OUTPUT, PDSO24
封装: PLASTIC, SO-24
文件页数: 1/6页
文件大小: 90K
代理商: SN74AS823DWR
SN54AS823, SN54AS824, SN74AS823, SN74AS824
9-BIT BUS INTERFACE FLIP-FLOPS WITH 3-STATE OUTPUTS
SDAS231 – D2825, JUNE 1984 – REVISED JANUARY 1986
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Copyright
1986, Texas Instruments Incorporated
5BASIC
1
Functionally Equivalent to AMD’s AM29823
and AM29824
Provides Extra Data Width Necessary for
Wider Address/Data Paths or Buses With
Parity
Outputs Have Undershoot Protection
Circuitry
Powerup High-Impedance State
Buffered Control Inputs to Reduce DC
Loading Effects
Package Options Include Plastic Small
Outline Packages, Both Plastic and
Ceramic Chip Carriers, and Standard
Plastic and Ceramic 300-mil DIPs
Dependable Texas Instruments Quality and
Reliability
description
These 9-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, parity bus interfacing, and working registers.
With the clock enable (CLKEN) low, the nine D-type edge-triggered flip-flops enter data on the low-to-high
transitions of the clock. Taking CLKEN high will disable the clock buffer, thus latching the outputs. The ’AS823
has noninverting D inputs and the ’AS824 has inverting D inputs. Taking the CLR input low causes the nine Q
outputs to go low independently of the clock.
1
2
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5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
OC
1D
2D
3D
4D
5D
6D
7D
8D
9D
CLR
GND
VCC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
9Q
CLKEN
CLK
SN54AS824 . . . JT PACKAGE
SN74AS824 . . . DW OR NT PACKAGE
(TOP VIEW)
32 1
13 14
5
6
7
8
9
10
11
3Q
4Q
5Q
NC
6Q
7Q
8Q
3D
4D
5D
NC
6D
7D
8D
4
15 16 17 18
CLR
GND
NC
CLK
CLKEN
9Q
2D
1D
OC
NC
SN54AS823 . . . FK PACKAGE
SN74AS823 . . . FN PACKAGE
(TOP VIEW)
28 27 26
25
24
23
22
21
20
19
12
9D
1Q
2Q
V
CC
32 1
13 14
5
6
7
8
9
10
11
3Q
4Q
5Q
NC
6Q
7Q
8Q
3D
4D
5D
NC
6D
7D
8D
4
15 16 17 18
CLR
GND
NC
CLK
CLKEN
9Q
2D
1D
OC
NC
SN54AS824 . . . FK PACKAGE
SN74AS824 . . . FN PACKAGE
(TOP VIEW)
28 27 26
25
24
23
22
21
20
19
12
9D
1Q
2Q
V
CC
NC–No internal connection
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
OC
1D
2D
3D
4D
5D
6D
7D
8D
9D
CLR
GND
VCC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
9Q
CLKEN
CLK
SN54AS823 . . . JT PACKAGE
SN74AS823 . . . DW OR NT PACKAGE
(TOP VIEW)
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.
相关PDF资料
PDF描述
SN74AS851N3 AS SERIES, 16 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDIP28
SN74AS850N3 AS SERIES, 16 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDIP28
SN74AS851N AS SERIES, 16 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDIP28
SN74AS852DW AS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24
SN74AS852NT AS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDIP24
相关代理商/技术参数
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