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參數資料
| 型號： | 74LS573 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Octal D-Type Latch with 3-STATE Outputs |
| 中文描述： | 八路D類鎖存器與三態輸出 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 49K |
| 代理商： | 74LS573 |
2000 Fairchild Semiconductor Corporation
DS009814
www.fairchildsemi.com
October 1988
Revised March 2000
D
DM74LS573
Octal D-Type Latch with 3-STATE Outputs
General Description
The DM74LS573 is a high speed octal latch with buffered
common Latch Enable (LE) and buffered common Output
Enable (OE) inputs.
This device is functionally identical to the DM74LS373, but
has different pinouts.
Features
I
Inputs and outputs on opposite sides of package allow-
ing easy interface with microprocessors
I
Useful as input or output port for microprocessors
I
Functionally identical to DM74LS373
I
Input clamp diodes limit high speed termination effects
I
Fully TTL and CMOS compatible
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
V
CC
=
Pin 20
GND
=
Pin 10
Connection Diagram
Pin Descriptions
Function Tables
L
=
LOW State
H
=
HIGH State
X
=
Don't Care
Z
=
High Impedance State
Q
O
=
Previous Condition of O
Order Number
DM74LS573WM
DM74LS573N
Package Number
M20B
N20A
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Pin Names
D0–D7
LE
OE
O0–O7
Description
Data Inputs
Latch Enable Input (Active HIGH)
3-STATE Output Enable Input (Active LOW)
3-STATE Latch Outputs
Output
Latch
D
Output
Enable
L
L
L
H
Enable
H
H
L
X
O
H
L
Q
O
Z
H
L
X
X
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 74LS573 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74LS573DC | 制造商:Texas Instruments 功能描述: |
| 74LS573PC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74LS573SC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74LS573SCX | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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