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零件编号
产品描述 (功能)
TC74ACT244FT 查看數據表(PDF) - Toshiba
零件编号
产品描述 (功能)
比赛名单
TC74ACT244FT
Octal Bus Buffer
Toshiba
TC74ACT244FT Datasheet PDF : 8 Pages
1
2
3
4
5
6
7
8
Pin Assignment
1G 1
1A1 2
2Y4 3
1A2 4
2Y3 5
1A3 6
2Y2 7
1A4 8
2Y1 9
GND 10
TC74ACT240
(top view)
IEC Logic Symbol
20
V
CC
19 2G
18 1Y1
17
2A4
16
1Y2
15 2A3
14 1Y3
13 2A2
12 1Y4
11 2A1
1G
(1)
TC74ACT240
EN
1A1
(2)
1A2
(4)
1A3
(6)
1A4
(8)
(18)
1Y1
(16)
1Y2
(14)
1Y3
(12)
1Y4
2G
(19)
EN
2A1
(11)
2A2
(13)
2A3
(15)
2A4
(17)
(9)
2Y1
(7)
2Y2
(5)
2Y3
(3)
2Y4
Truth Table
Inputs
G
A
n
L
L
L
H
H
X
Outputs
Y
n
(244)
L
Y
n
(240)
H
H
L
Z
Z
X: Don’t care
Z: High impedance
TC74ACT240,244P/F/FT
1G 1
1A1 2
2Y4 3
1A2 4
2Y3 5
1A3 6
2Y2 7
1A4 8
2Y1 9
GND 10
TC74ACT244
(top view)
20 V
CC
19 2G
18 1Y1
17 2A4
16 1Y2
15 2A3
14 1Y3
13 2A2
12 1Y4
11 2A1
1G
(1)
TC74ACT244
EN
1A1
(2)
1A2
(4)
1A3
(6)
1A4
(8)
(18)
1Y1
(16)
1Y2
(14)
1Y3
(12)
1Y4
2G
(19)
EN
2A1
(11)
2A2
(13)
2A3
(15)
2A4
(17)
(9)
2Y1
(7)
2Y2
(5)
2Y3
(3)
2Y4
2
2007-10-01
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