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参数资料
型号： SNJ54ALS374AFKR
厂商： TEXAS INSTRUMENTS INC
元件分类： 总线收发器
英文描述： ALS SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20
封装： CERAMIC, LCC-20
文件页数： 1/21页
文件大小： 748K
代理商： SNJ54ALS374AFKR
SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D D-Type Flip-Flops in a Single Package With
3-State Bus Driving True Outputs
D Full Parallel Access for Loading
D Buffered Control Inputs
D Package Options Include Plastic
Small-Outline (DW) Packages, Ceramic
Chip Carriers (FK), and Standard Plastic (N)
and Ceramic (J) DIPs
description
These octal D-type edge-triggered flip-flops
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.
On the positive transition of the clock (CLK) input,
the Q outputs are set to the logic levels set up at
the data (D) inputs.
A buffered output-enable (OE) input places the
eight outputs in either a normal logic state (high or
low logic levels) or the high-impedance state. In
the high-impedance state, the outputs neither
load nor drive the bus lines significantly. The
high-impedance state and the increased drive
provide the capability to drive bus lines without
interface or pullup components.
OE does not affect internal operations 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 SN54ALS374A and SN54AS374 are characterized for operation over the full military temperature range
of –55
°C to 125°C. The SN74ALS374A and SN74AS374 are characterized for operation from 0°C to 70°C.
FUNCTION TABLE
(each flip-flop)
INPUTS
OUTPUT
OE
CLK
D
Q
L
↑
H
L
↑
LL
L
H or L
X
Q0
H
X
Z
Copyright
1999, 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.
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.
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE
1Q
1D
2D
2Q
3Q
3D
4D
4Q
GND
VCC
8Q
8D
7D
7Q
6Q
6D
5D
5Q
CLK
SN54ALS374A, SN54AS374 . . . J PACKAGE
SN74ALS374A, SN74AS374 . . . DW OR N PACKAGE
(TOP VIEW)
32 1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
8D
7D
7Q
6Q
6D
2D
2Q
3Q
3D
4D
SN54ALS374A, SN54AS374 . . . FK PACKAGE
(TOP VIEW)
1D
1Q
OE
5Q
5D
8Q
4Q
GND
CLK
V
CC
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
相关PDF资料
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SN74ABT853NSRG4 ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24
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相关代理商/技术参数
参数描述
SNJ54ALS374AJ 制造商:Texas Instruments 功能描述:Flip Flop D-Type Bus Interface Pos-Edge 3-ST 1-Element 20-Pin CDIP Tube 制造商:Texas Instruments 功能描述:8302002RA, OCTAL EDGE-TRIG F-F W/3-ST
SNJ54ALS374AW 制造商:Texas Instruments 功能描述:
SNJ54ALS374FK 制造商:Rochester Electronics LLC 功能描述:OCTAL D-TYPE FLIP-FLOPS, DESC 83020022A - Bulk 制造商:Texas Instruments 功能描述:
SNJ54ALS374J 制造商:Rochester Electronics LLC 功能描述:OCTAL D-TYPE FLIP-FLOPS, DESC 8302002RA - Bulk
SNJ54ALS37AJ 制造商:Rochester Electronics LLC 功能描述:- Bulk
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