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SN54ALS564B_16 PDF预览

SN54ALS564B_16

更新时间: 2024-11-27 02:58:19
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描述
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS

SN54ALS564B_16 数据手册

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SN54ALS564B, SN74ALS564B  
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS  
WITH 3-STATE OUTPUTS  
SDAS164B – APRIL 1982 – REVISED JANUARY 1995  
SN54ALS564B . . . J OR W PACKAGE  
SN74ALS564B . . . DW OR N PACKAGE  
(TOP VIEW)  
3-State Buffer-Type Inverting Outputs Drive  
Bus Lines Directly  
Bus-Structured Pinout  
Buffered Control Inputs  
Package Options Include Plastic  
Small-Outline (DW) Packages, Ceramic  
Chip Carriers (FK), Standard Plastic (N) and  
Ceramic (J) 300-mil DIPs, and Ceramic Flat  
(W) Packages  
OE  
1D  
2D  
3D  
4D  
5D  
6D  
7D  
8D  
V
CC  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
1Q  
2Q  
3Q  
4Q  
5Q  
6Q  
description  
13 7Q  
12 8Q  
These octal D-type edge-triggered flip-flops  
feature inverting 3-state outputs designed  
specifically for bus driving. They are particularly  
suitable for implementing buffer registers, I/O  
ports, bidirectional bus drivers, and working  
registers.  
11  
GND  
CLK  
SN54ALS564B . . . FK PACKAGE  
(TOP VIEW)  
The eight flip-flops enter data on the low-to-high  
transition of the clock (CLK) input.  
3
2
1
20 19  
18  
2Q  
3Q  
4Q  
5Q  
6Q  
3D  
4D  
5D  
6D  
7D  
4
5
6
7
8
The output-enable (OE) input 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.  
17  
16  
15  
14  
9 10 11 12 13  
The SN54ALS564B is characterized for operation  
over the full military temperature range of 55°C  
to 125°C. The SN74ALS564B is characterized for  
operation from 0°C to 70°C.  
FUNCTION TABLE  
(each flip-flop)  
INPUTS  
OUTPUT  
Q
OE  
L
CLK  
D
H
L
L
L
H
L
L
X
X
X
Q
0
H
Z
Copyright 1995, 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.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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