參數(shù)資料
型號: 74HCT139
廠商: NXP Semiconductors N.V.
英文描述: Dual 2-to-4 line decoder/demultiplexer
中文描述: 雙路2至4線譯碼器/解復(fù)用器
文件頁數(shù): 7/7頁
文件大?。?/td> 44K
代理商: 74HCT139
September 1993
7
Philips Semiconductors
Product specification
Dual 2-to-4 line decoder/demultiplexer
74HC/HCT139
AC WAVEFORMS
PACKAGE OUTLINES
See
“74HC/HCT/HCU/HCMOS Logic Package Outlines”
.
Fig.6
Waveforms showing the address input (nA
n
) to output (nY
n
) propagation delays and the output transition
times.
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.7
Waveforms showing the enable input (nE) to output (nY
n
) propagation delays and the output transition
times.
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
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