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参数资料
型号： SN74ALS879ANT
厂商： TEXAS INSTRUMENTS INC
元件分类： 总线收发器
英文描述： ALS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDIP24
封装： 0.300 INCH, PLASTIC, DIP-24
文件页数： 1/8页
文件大小： 112K
代理商： SN74ALS879ANT
SN54ALS878A, SN54ALS879A, SN54AS878, SN54AS879
SN74ALS878A, SN74ALS879A, SN74AS878, SN74AS879
DUAL 4BIT DTYPE EDGETRIGGERED FLIPFLOPS WITH 3STATE OUTPUTS
SDAS062A D2661, APRIL 1982 REVISED MAY 1986
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77001
Copyright
1986, Texas Instruments Incorporated
1
3-State Bus Driving Outputs
Full Parallel-Access for Loading
Buffered Control Inputs
Choice of True or Inverting Logic
’ALS878A, ’AS878 True Outputs
’ALS879A, ’AS879 Inverting Outputs
Synchronous Clear
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 dual 4-bit registers feature 3-state outputs
designed specifically for bus driving. This makes
these devices particularly suitable for implement-
ing buffer registers, I/O ports, bidirectional bus
drivers, and working registers.
The dual 4-bit edge-triggered flip-flops enter data
on the low-to-high transition of the clock (1CLK
and 2CLK). All types have individual synchronous
clear inputs and output control pins for each group
of 4-bit registers.
The SN54ALS’ and SN54AS’ devices are
characterized for operation over the full military
temperature range of 55
°C to 125°C. The
SN74ALS’ and SN74AS’ devices are character-
ized for operation from 0
°C to 70°C.
1CLR
1OC
18
14 15
17
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
1CLR
1OC
1D1
1D2
1D3
1D4
2D1
2D2
2D3
2D4
2OC
GND
VCC
1CLK
1Q1
1Q2
1Q3
1Q4
2Q1
2Q2
2Q3
2Q4
2CLK
2CLR
SN54ALS878A, SN54AS878 . . . JT PACKAGE
SN74ALS878A, SN74AS878 . . . DW OR NT PACKAGE
(TOP VIEW)
32 1
13
5
6
7
8
9
10
11
1Q2
1Q3
1Q4
NC
2Q1
Q22
2Q3
1D2
1D3
1D4
NC
2D1
2D2
2D3
4
16
2OC
GND
NC
2CLR
2CLK
2Q4
1D1
1OC
1CLR
NC
SN54ALS878A, SN54AS878 . . . FK PACKAGE
SN74ALS878A, SN74AS878 . . . FN PACKAGE
(TOP VIEW)
28 27 26
25
24
23
22
21
20
19
12
2D4
1Q1
CC
V
18
14 15
17
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
1CLR
1OC
1D1
1D2
1D3
1D4
2D1
2D2
2D3
2D4
2OC
GND
VCC
1CLK
1Q1
1Q2
1Q3
1Q4
2Q1
2Q2
2Q3
2Q4
2CLK
2CLR
SN54ALS879A, SN54AS879 . . . JT PACKAGE
SN74ALS879A, SN74AS879 . . . DW OR NT PACKAGE
(TOP VIEW)
32 1
13
5
6
7
8
9
10
11
1Q2
1Q3
1Q4
NC
2Q1
2Q2
2Q3
1D2
1D3
1D4
NC
2D1
2D2
2D3
4
16
2OC
GND
NC
2CLR
2CLK
2G4
1D1
NC
SN54ALS879A, SN54AS879 . . . FK PACKAGE
SN74ALS879A, SN74AS879 . . . FN PACKAGE
(TOP VIEW)
28 27 26
25
24
23
22
21
20
19
12
2D4
1CLK
1Q1
CC
V
NC No internal connection
1CLK
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
SN74AS879NT-10 AS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDIP24
SN74ALS879FN-00 ALS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PQCC28
SN54ALS878FH-00 ALS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC28
SN74AUC1G126YZAR AUC SERIES, 1-BIT DRIVER, TRUE OUTPUT, PBGA5
SN74AUCH16240DGVR AUC SERIES, QUAD 4-BIT DRIVER, INVERTED OUTPUT, PDSO48
相关代理商/技术参数
参数描述
SN74ALS880ADW 制造商:Rochester Electronics LLC 功能描述:- Bulk
SN74ALS880ADWR 制造商:Rochester Electronics LLC 功能描述:- Bulk
SN74ALS990DW 功能描述:闭锁 Octal DType TRANPNT Read Back 闭锁 RoHS:否 制造商:Micrel 电路数量:1 逻辑类型:CMOS 逻辑系列:TTL 极性:Non-Inverting 输出线路数量:9 高电平输出电流: 低电平输出电流: 传播延迟时间: 电源电压-最大:12 V 电源电压-最小:5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-16 封装:Reel
SN74ALS990DWE4 功能描述:闭锁 Octal DType TRANPNT Read Back 闭锁 RoHS:否 制造商:Micrel 电路数量:1 逻辑类型:CMOS 逻辑系列:TTL 极性:Non-Inverting 输出线路数量:9 高电平输出电流: 低电平输出电流: 传播延迟时间: 电源电压-最大:12 V 电源电压-最小:5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-16 封装:Reel
SN74ALS990DWG4 功能描述:闭锁 Octal DType TRANPNT Read Back 闭锁 RoHS:否 制造商:Micrel 电路数量:1 逻辑类型:CMOS 逻辑系列:TTL 极性:Non-Inverting 输出线路数量:9 高电平输出电流: 低电平输出电流: 传播延迟时间: 电源电压-最大:12 V 电源电压-最小:5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-16 封装:Reel
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