PI74FCT2541TQ 查看數據表（PDF） - Pericom Semiconductor
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PI74FCT2541TQ Datasheet PDF : 8 Pages
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PI74FCT244T/2244T
PI74FCT541T/2541T
Fast CMOS Non-Inverting Octal Buffer/Line Drivers
Block Diagrams
PI74FCT244/2244T
OEA
DA0
OB0
DA1
OB1
DA2
OB2
DA3
OB3
OEB*
OA0
DB0
OA1
DB1
OA2
DB2
OA3
DB3
*OEB for 244T
Product Pin Description
Pin Name Description
OEA, OEB 3-State Output Enable Inputs (Active LOW)
OEB(1)
3-State Output Enable Input (Active HIGH)
Dxx
Inputs
Oxx
Outputs
GND
Ground
VCC
Power
Notes:
1. Only offered for PI74FCT244T
PI74FCT244/2244T Pin Configuration
OEA 1
DA0 2
OB0 3
DA1 4
OB1 5
DA2 6
OB2 7
DA3 8
OB3 9
GND 10
20 Vcc
19 OEB
18 OA0
17 DB0
16 OA1
15 DB1
14 OA2
13 DB2
12 OA3
11 DB3
PI74FCT541/2541T
OEA
OEB
D0
O0
D1
O1
D2
O2
D3
O3
D4
O4
D5
O5
D6
O6
D7
O7
Truth Table
Inputs(1)
OEA OEB OEB(2) D
Outputs(1)
244
541
LL
H
L
L
L
LL
H
H
H
H
HH
L
X
Z
Z
Notes:
1. H = High Voltage Level, X = Don't Care, L = Low
Voltage Level, Z = High Impedance
PI74FCT541/2541T Pin Configuration
OEA 1
D0 2
D1 3
D2 4
D3 5
D4 6
D5 7
D6 8
D7 9
GND 10
20 Vcc
19 OEB
18 O0*
17 O1*
16 O2*
15 O3*
14 O4*
13 O5*
12 O6*
11 O7*
08-0291
2
PS2011G
11/10/08
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