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參數(shù)資料
| 型號(hào)： | SN54ALS563BFK |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | OCTAL D-TYPE TRANSPARENT LATCHES WITH 3-STATE OUTPUTS |
| 中文描述： | 八路?- 3型透明鎖存態(tài)輸出 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 82K |
| 代理商： | SN54ALS563BFK |
SN54ALS563B, SN74ALS563B
OCTAL D-TYPE TRANSPARENT LATCHES
WITH 3-STATE OUTPUTS
SDAS163A – DECEMBER 1982 – REVISED JANUARY 1995
Copyright
1995, Texas Instruments Incorporated
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
3-State Buffer-Type Outputs Drive Bus
Lines Directly
Bus-Structured Pinout
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
description
These 8-bit D-type transparent 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 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 a 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 SN54ALS563B is characterized for operation over the full military temperature range of –55
°
C to 125
°
C.
The SN74ALS563B is characterized for operation from 0
°
C to 70
°
C.
FUNCTION TABLE
(each latch)
INPUTS
OUTPUT
Q
OE
L
LE
H
D
H
L
L
H
H
H
L
L
X
Q0
Z
H
X
X
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
SN54ALS563B . . . J OR W PACKAGE
SN74ALS563B . . . 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
SN54ALS563B . . . FK PACKAGE
(TOP VIEW)
2
1
O
8
7
1
8
G
L
V
C
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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| SN54ALS564BW | OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS |
| SN54ALS573CFK | OCTAL D-TYPE TRANSPARENT LATCHES WITH 3-STATE OUTPUTS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN54ALS564AJ | 制造商:Texas Instruments 功能描述: |
| SN54ALS569AJ | 制造商:Texas Instruments 功能描述:Counter Single 4-Bit Binary UP/Down 20-Pin CDIP Tube 制造商:Texas Instruments 功能描述:SYNC 4-BIT U/D BINARY COUNTER - Rail/Tube |
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| SN54ALS574AJ | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| SN54ALS574BJ | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: 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 |
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