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參數(shù)資料
| 型號(hào)： | IN74ACT138N |
| 廠商： | INTEGRAL JOINT STOCK COMPANY |
| 英文描述： | 1-OF-8 DECODER/DEMULTIPLEXER |
| 中文描述： | 1 - 8譯碼器/解復(fù)用器 |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 161K |
| 代理商： | IN74ACT138N |
IN74ACT138
1
1-
OF
-8
D
ECODER
/D
EMULTIPLEXER
High-Speed Silicon-Gate CMOS
The IN74ACT138 is identical in pinout to the LS/ALS138,
HC/HCT138. The IN74ACT138 may be used as a level converter
for interfacing TTL or NMOS outputs to High Speed CMOS inputs.
The IN74ACT138 decodes a three-bit Address to one-of-eight
active-lot outputs. This device features three Chip Select inputs,
two active-low and one active-high to facilitate the demultiplexing,
cascading, and chip-selecting functions. The demultiplexing
function is accomplished by using the Address inputs to select the
desired device output; one of the Chip Selects is used as a data
input while the other Chip Selects are held in their active states.
TTL/NMOS Compatible Input Levels
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 4.5 to 5.5 V
Low Input Current: 1.0
μ
A; 0.1
μ
A @ 25
°
C
Outputs Source/Sink 24 mA
ORDERING INFORMATION
IN74ACT138N Plastic
IN74ACT138D SOIC
T
A
= -40
°
to 85
°
C for all
packages
PIN ASSIGNMENT
LOGIC DIAGRAM
PIN 16 =V
CC
PIN 8 = GND
FUNCTION TABLE
Inputs
Outputs
CS1 CS2 CS3
X X H
X H X
L X X
H L L
H L L
H L L
H L L
H L L
H L L
H L L
H L L
H = high level (steady state)
L = low level (steady state)
X = don’t care
A2 A1 A0
X X X
X X X
X X X
L L L
L L H
L H L
L H H
H L L
H L H
H H L
H H H
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
H H H H H H H H
H H H H H H H H
H H H H H H H H
L H H H H H H H
H L H H H H H H
H H L H H H H H
H H H L H H H H
H H H H L H H H
H H H H H L H H
H H H H H H L H
H H H H H H H L
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IN74ACT139 | DUAL 1-OF-4 DECODER/DEMULTIPLEXER |
| IN74ACT139D | DUAL 1-OF-4 DECODER/DEMULTIPLEXER |
| IN74ACT139N | DUAL 1-OF-4 DECODER/DEMULTIPLEXER |
| IN74ACT14 | HEX SCHMITT-TRIGGER INVERTER |
| IN74ACT14D | HEX SCHMITT-TRIGGER INVERTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IN74ACT139 | 制造商:INTEGRAL 制造商全稱:INTEGRAL 功能描述:DUAL 1-OF-4 DECODER/DEMULTIPLEXER |
| IN74ACT139D | 制造商:INTEGRAL 制造商全稱:INTEGRAL 功能描述:DUAL 1-OF-4 DECODER/DEMULTIPLEXER |
| IN74ACT139N | 制造商:INTEGRAL 制造商全稱:INTEGRAL 功能描述:DUAL 1-OF-4 DECODER/DEMULTIPLEXER |
| IN74ACT14 | 制造商:INTEGRAL 制造商全稱:INTEGRAL 功能描述:HEX SCHMITT-TRIGGER INVERTER |
| IN74ACT14D | 制造商:INTEGRAL 制造商全稱:INTEGRAL 功能描述:HEX SCHMITT-TRIGGER INVERTER |
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