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74HC573PW-T 参数 Datasheet PDF下载

74HC573PW-T图片预览
型号: 74HC573PW-T
PDF下载: 下载PDF文件 查看货源
内容描述: [HC/UH SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, 4.40 MM, PLASTIC, MO-153, SOT-360-1, TSSOP-20]
分类和应用: 锁存器
文件页数/大小: 7 页 / 65 K
品牌: PHILIPS [ NXP SEMICONDUCTORS ]
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Philips Semiconductors
Product specification
Octal D-type transparent latch; 3-state
AC WAVEFORMS
74HC/HCT573
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.6
Waveforms showing the data input (D
n
) to
output (Q
n
) propagation delays and the
output transition times.
Fig.7
Waveforms showing the latch enable input
(LE) pulse width, the latch enable input to
output (Q
n
) propagation delays and the
output transition times.
The shaded areas indicate when the input is permitted to
change for predictable output performance.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.9
Waveforms showing the data set-up and
hold times for D
n
input to LE input.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
PACKAGE OUTLINES
See
“74HC/HCT/HCU/HCMOS Logic Package Outlines”.
Fig.8
Waveforms showing the 3-state enable and
disable times.
December 1990
7