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74HC244N 参数 Datasheet PDF下载

74HC244N图片预览
型号: 74HC244N
PDF下载: 下载PDF文件 查看货源
内容描述: 八路缓冲器/线路驱动器;三态 [Octal buffer/line driver; 3-state]
分类和应用: 驱动器逻辑集成电路光电二极管
文件页数/大小: 7 页 / 43 K
品牌: PHILIPS [ NXP SEMICONDUCTORS ]
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Philips Semiconductors
Product specification
Octal buffer/line driver; 3-state
AC WAVEFORMS
74HC/HCT244
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT : V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.5
Waveforms showing the input (1A
n
, 2A
n
) to output (1Y
n
, 2Y
n
) propagation delays and the output transition
times.
(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 3-state enable and disable times.
PACKAGE OUTLINES
See
“74HC/HCT/HCU/HCMOS Logic Package Outlines”.
December 1990
7