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參數(shù)資料
| 型號： | HD74LV139A |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Dual 2-to-4 line Decoder / Demultiplexers |
| 中文描述： | 雙路2至4線解碼器/解復用器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 59K |
| 代理商： | HD74LV139A |
HD74LV139A
Dual 2-to-4 line Decoder / Demultiplexers
ADE-205-262 (Z)
1st Edition
March 1999
Description
The HD74LV139A is designed to be used in high-performance memory-decoding or data-routing
applications requiring very short propagation delay times. The active-low enable input can be used as a
data line in demultiplexing applications.
This decoder/demultiplexer features fully buffered inputs, each of which represents only one normalized
load to its driving circuit.
Low-voltage and high-speed operation is suitable for the battery-powered products (e.g., notebook
computers), and the low-power consumption extends the battery life.
Features
V
CC
= 2.0 V to 5.5 V operation
All inputs V
IH
(Max.) = 5.5 V (@V
CC
= 0 V to 5.5 V)
All outputs V
O
(Max.) = 5.5 V (@V
CC
= 0 V)
Typical V
OL
ground bounce < 0.8 V (@V
CC
= 3.3 V, Ta = 25
°
C)
Typical V
OH
undershoot > 2.3 V (@V
CC
= 3.3 V, Ta = 25
°
C)
Output current
±
6 mA (@V
CC
= 3.0 V to 3.6 V),
±
12 mA (@V
CC
= 4.5 V to 5.5 V)
Function Table
Inputs
Select
Outputs
G
1
B
A
Y0
Y1
Y2
Y3
H
X
X
H
H
H
H
L
L
L
L
H
H
H
L
L
H
H
L
H
H
L
H
L
H
H
L
H
L
Note:
H
H
H
H
H
L
H: High level
L: Low level
X: Immaterial
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