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74HC138 参数 Datasheet PDF下载

74HC138图片预览
型号: 74HC138
PDF下载: 下载PDF文件 查看货源
内容描述: 3至8线译码器/多路分解器;反相 [3-to-8 line decoder/demultiplexer; inverting]
分类和应用:
文件页数/大小: 7 页 / 54 K
品牌: PHILIPS [ NXP SEMICONDUCTORS ]
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Philips Semiconductors
Product specification
3-to-8 line decoder/demultiplexer; inverting
AC WAVEFORMS
74HC/HCT138
(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 address input (A
n
) and enable input (E
3
) to output (Y
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.7
Waveforms showing the enable input (E
n
) to output (Y
n
) propagation delays and the output transition
times.
PACKAGE OUTLINES
See
“74HC/HCT/HCU/HCMOS Logic Package Outlines”.
September 1993
7