參數(shù)資料
型號(hào): CD74HCT243M96
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: HCT SERIES, QUAD 1-BIT TRANSCEIVER, TRUE OUTPUT, PDSO14
封裝: SOIC-14
文件頁(yè)數(shù): 2/9頁(yè)
文件大?。?/td> 81K
代理商: CD74HCT243M96
2
Functional Diagrams
CD74HCT242
’HC243, ’HCT243
DIRECTION
SELECT LOGIC
A0
A1
A2
A3
OEB
OEA
3
4
5
6
1
13
11
10
9
8
B0
B1
B2
B3
DIRECTION
SELECT LOGIC
A0
A1
A2
A3
OEB
OEA
3
4
5
6
1
13
11
10
9
8
B0
B1
B2
B3
TRUTH TABLE
CONTROL INPUTS
HCT242 SERIES
HC, HCT243 SERIES
DATA PORT STATUS
OEB
OEA
An
Bn
An
Bn
HH
OIOI
L
H
ZZZZ
H
L
ZZZZ
LL
I
OIO
NOTE:
H = High Voltage Level
L = Low Voltage Level
I = Input
O = Output (Same Level as Input)
O = Output (Inversion of Input Level)
Z = High Impedance
To prevent excess currents in the High Z modes all I/O terminals should be terminated with 10k
to 1M resistors.
CD74HCT242, CD54/74HC243, CD54/74HCT243
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