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參數(shù)資料
| 型號(hào)： | IN74LV138 |
| 廠商： | INTEGRAL JOINT STOCK COMPANY |
| 英文描述： | Octal Bus Transceivers And Registers With 3-State Outputs 24-TSSOP -40 to 85 |
| 中文描述： | 3至8線路解碼器/解復(fù)用器;反相 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 84K |
| 代理商： | IN74LV138 |
TECHNICAL DATA
1
INTEGRAL
3-to-8 line decoder/demultiplexer;
inverting
The IN74LV138 is a low-voltage Si-gate CMOS device and is pin
and function compatible 74HCT138.
The74LV138 accepts three binary weighted address inputs -
(A
0
,A
1
,A
2
) and when enabled,provide 8 - mutually exclusive active
LOW outputs (Y
0
to Y
7
).
The “138” features three enable inputs: two active LOW (CS
2
,CS
3
and one active HIGH (CS
1
).Every output will be HIGH untess CS
2
, and
CS
3
are LOW and CS
1
is HIGH.
Optimized for Low Voltage applications:1.2 to 3.6 V
Demultiplexing capability
Multiple input enabte for easy expansion
Ideal for memory chip select decoding
Active LOW mutually exclusive outputs
Output capability: standard
N SUFFIX
PLASTIC
D SUFFIX
SOIC
1
16
1
16
ORDERING INFORMATION
IN74LV138N Plastic
IN74LV138D SOIC
T
A
= -40
°
to 125
°
C for all packages
IN74LV138
PIN ASSIGNMENT
LOGIC DIAGRAM
PIN 16 =V
CC
PIN 8 = GND
FUNCTION TABLE
Inputs
Outputs
CS1 CS2 CS3
A2 A1 A0
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
X X H
X H X
L X X
X X X
X X X
X X X
H 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 L
H L L
H L L
H L L
L L L
L L H
L H L
L 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 L L
H L L
H L L
H L L
H L L
H L H
H H L
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 = high level (steady state)
L = low level (steady state)
X = don’t care
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IN74LV138D | 3-to-8 line decoder/demultiplexer;inverting |
| IN74LV138N | Octal Bus Transceivers And Registers With 3-State Outputs 24-SSOP -40 to 85 |
| IN74LV139 | Octal Bus Transceivers And Registers With 3-State Outputs 24-SSOP -40 to 85 |
| IN74LV139D | Octal Bus Transceivers And Registers With 3-State Outputs 24-SSOP -40 to 85 |
| IN74LV139N | Octal Bus Transceivers And Registers With 3-State Outputs 24-SOIC -40 to 85 |
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