SN54LS240, SN54LS241, SN54LS244, SN54S240, SN54S241, SN54S244
SN74LS240, SN74LS241, SN74LS244, SN74S240, SN74S241, SN74S244
OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
SDLS144B – APRIL 1985 – REVISED FEBRUARY 2002
logic diagram
’LS240, ’S240
1G
1
1G
2
18
1Y1
1A1
4
16
1Y2
1A2
6
14
1Y3
1A3
8
12
1Y4
1A4
19
2G
9
1
’LS241, ’S241
1A1
2
18
1Y1
1A2
4
16
1Y2
1A3
6
14
1Y3
1A4
8
19
12
1Y4
2G
2A1
11
2Y1
2A1
11
9
2Y1
2A2
13
7
2Y2
2A2
13
7
2Y2
2A3
15
5
2Y3
2A3
15
5
2Y3
2A4
17
3
2Y4
’LS244, ’S244
2A4
17
3
2Y4
1G
1
1A1
2
18
1Y1
1A2
4
16
1Y2
1A3
6
14
1Y3
1A4
8
12
1Y4
2G
19
2A1
11
9
2Y1
2A2
13
7
2Y2
2A3
15
5
2Y3
2A4
17
3
2Y4
Pin numbers shown are for DB, DW, J, N, NS, and W packages.
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
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