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參數(shù)資料
| 型號： | SN54HC563 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Octal D-Type Latches(八D鎖存器(三態(tài)反相輸出)) |
| 中文描述： | 八路D類閥門（八?鎖存器（三態(tài)反相輸出）） |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 152K |
| 代理商： | SN54HC563 |
SN54HC563, SN74HC563
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCLS145A – DECEMBER 1982 – REVISED JANUARY 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
High-Current 3-State Outputs Drive Bus
Lines Directly or up to 15 LSTTL Loads
Bus-Structured Pinout
Package Options Include Plastic
Small-Outline (DW) and Ceramic Flat (W)
Packages, Ceramic Chip Carriers (FK), and
Standard Plastic (N) and Ceramic (J)
300-mil DIPs
description
These 8-bit transparent D-type latches feature
3-state outputs designed specifically for driving
highly capacitive or relatively low-impedance
loads. They are particularly suitable for
implementing
buffer
bidirectional bus drivers, and working registers.
registers,
I/O
ports,
While the latch-enable (LE) input is high, the
Q outputs follow the complements of the data (D)
inputs. When LE is taken low, the outputs are
latched at the inverses of the levels set up at the
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 increased high logic
level provide the capability to drive bus lines
without interface or pullup components.
OE does not affect internal operations of the latches. Old data can be retained or new data can be entered while
the outputs are in the high-impedance state.
The SN54HC563 is characterized for operation over the full military temperature range of –55
°
C to 125
°
C. The
SN74HC563 is characterized for operation from –40
°
C to 85
°
C.
FUNCTION TABLE
(each latch)
INPUTS
LE
OUTPUT
Q
OE
D
L
H
H
L
L
H
L
H
L
L
X
Q0
Z
H
X
X
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
1D
2D
3D
4D
5D
6D
7D
8D
GND
V
CC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
LE
SN54HC563 . . . J OR W PACKAGE
SN74HC563 . . . DW OR N PACKAGE
(TOP VIEW)
3
2 1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
2Q
3Q
4Q
5Q
6Q
3D
4D
5D
6D
7D
SN54HC563 . . . FK PACKAGE
(TOP VIEW)
2
1
O
8
7
1
8
G
L
V
C
Copyright
1996, 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.
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| SN54HC640J | 制造商:Texas Instruments 功能描述:Bus XCVR Single 8-CH 3-ST 20-Pin CDIP Tube |
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