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參數(shù)資料
| 型號： | HD74HC139 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Dual 2-to-4-line Decoders/Demultiplexers |
| 中文描述： | 雙路2至4行解碼器/解復用器 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 51K |
| 代理商： | HD74HC139 |
HD74HC139
Dual 2-to-4-line Decoders/Demultiplexers
Description
The HD74HC139 contains two independent two-to-four-line decoders each with a single active low enable
input (1G or 2G). Data on the slect inputs (1A and 1B or 2A and 2B) cause one of the four normally high
outputs to go low.
Features
High Speed Operation: t
pd
(A, B to Y, 4 levels) = 14 ns typ (C
L
= 50 pF)
High Output Current: Fanout of 10 LSTTL Loads
Wide Operating Voltage: V
CC
= 2 V to 6 V
Low Input Current: 1 μA max
Low Quiescent Supply Current: I
CC
(static) = 4 μA max (Ta = 25°C)
Function Table
Inputs
Enable
Select
Outputs
G
B
A
Y
0
H
Y
1
H
Y
2
H
Y
3
H
H
X
X
L
L
L
L
H
H
H
L
L
H
H
L
H
H
L
H
L
H
H
L
H
L
H
H
H
H
H
L
相關PDF資料 |
PDF描述 |
|---|---|
| HD74HC147 | Dual 4-Input Positive-NAND Gates 14-CDIP -55 to 125 |
| HD74HC148 | Dual 4-Input Positive-NAND Gates 20-LCCC -55 to 125 |
| HD74HC149 | Dual 4-Input Positive-NAND Gates 14-CDIP -55 to 125 |
| HD74HC14FH | Hex Schmitt-trigger Inverters |
| HD74HC14 | Hex Schmitt-trigger Inverters |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HD74HC139FP-E | 制造商:Renesas Electronics Corporation 功能描述: |
| HD74HC139P | 制造商:Panasonic Industrial Company 功能描述:IC |
| HD74HC139P-E | 制造商:Renesas Electronics Corporation 功能描述: |
| HD74HC148FP(E) | 制造商:Renesas Electronics 功能描述:74HC 8-to-3 Line Priority Encoder Bulk |
| HD74HC14FP-E | 制造商:Renesas Electronics 功能描述:74HC Hex Schmitt Inverter 制造商:Renesas Electronics 功能描述:74HC Hex Schmitt Inverter Bulk 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-14 |
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