參數(shù)資料
型號: M74HC154TTR
廠商: STMICROELECTRONICS
元件分類: 編、解碼器及復(fù)用、解復(fù)用
英文描述: HC/UH SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO24
封裝: TSSOP-24
文件頁數(shù): 5/12頁
文件大?。?/td> 468K
代理商: M74HC154TTR
M74HC154
2/12
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X : Don’t Care
PIN No
SYMBOL
NAME AND FUNCTION
1, 2, 3, 4, 5,
6, 7, 8, 9, 10,
11, 13, 14,
15, 16, 17
Y0 to Y15
Outputs (Active Low)
18, 19
G1, G2
Enable Inputs
(Active Low)
23, 22, 21,
20
A to D
Address Inputs
12
GND
Ground (0V)
24
VCC
Positive Supply Voltage
INPUTS
SELECTED OUTPUT (L)
G1
G2
DCBA
LLLLLL
Y0
LLLLL
H
Y1
LLLL
H
L
Y2
LLLL
H
Y3
LLL
H
L
Y4
LLL
H
L
H
Y5
LLL
H
L
Y6
LLL
H
Y7
LL
H
LLL
Y8
LL
H
L
H
Y9
L
HLHL
Y10
L
H
L
H
Y11
LL
H
LL
Y12
L
H
L
H
Y13
L
HHH
L
Y14
L
HHHH
Y15
X
H
XXXX
NONE
H
XXXXX
NONE
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