參數(shù)資料
型號: 933713560652
廠商: NXP SEMICONDUCTORS
元件分類: 總線收發(fā)器
英文描述: HC/UH SERIES, OCTAL 1-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝: PLASTIC, SO-20
文件頁數(shù): 4/7頁
文件大小: 59K
代理商: 933713560652
December 1990
4
Philips Semiconductors
Product specication
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
DN
Q0 to Q7
enable and read
register
(transparent mode)
L
H
L
H
L
H
L
H
latch and read
register
L
l
h
L
H
L
H
latch register and
disable outputs
H
L
l
h
L
H
Z
Fig.5 Logic diagram.
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933713560653 HC/UH SERIES, OCTAL 1-BIT DRIVER, TRUE OUTPUT, PDSO20
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