參數(shù)資料
型號: 74HC573
廠商: System Logic Semiconductor Co., Ltd.
英文描述: Octal 3-State Noninverting Transparent Latch(High-Performance Silicon-Gate CMOS)
中文描述: 八路三態(tài)同相透明鎖存器(高性能硅柵CMOS)
文件頁數(shù): 4/7頁
文件大?。?/td> 61K
代理商: 74HC573
December 1990
4
Philips Semiconductors
Product specification
Octal D-type transparent latch; 3-state
74HC/HCT573
Fig.4 Functional diagram.
FUNCTION TABLE
Notes
1.
H = HIGH voltage level
h = HIGH voltage level one set-up time prior to the HIGH-to-LOW
LE transition
L = LOW voltage level
l = LOW voltage level one set-up time prior to the HIGH-to-LOW
LE transition
Z = high impedance OFF-state
OPERATING
MODES
INPUTS
INTERNAL
LATCHES
OUTPUTS
OE
LE
D
N
L
H
Q
0
to Q
7
L
H
enable and read
register
(transparent mode)
latch and read
register
latch register and
disable outputs
L
L
H
H
L
H
L
L
H
H
L
L
L
L
l
h
l
h
L
H
L
H
L
H
Z
Z
Fig.5 Logic diagram.
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參數(shù)描述
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