Datasheet

Not to scale
41A2
52Y3
61A3
72Y2
81A4
92Y1 10GND 112A1 121Y4 132A2
14 1Y3
15 2A3
16 1Y2
17 2A4
18 1Y1
19 2OE 20 V
CC
1 1OE 2 1A1 3 2Y4
11OE 20 V
CC
21A1 19 2OE
32Y4 18 1Y1
41A2 17 2A4
52Y3 16 1Y2
61A3 15 2A3
72Y2 14 1Y3
81A4 13 2A2
92Y1 12 1Y4
10GND 11 2A1
Not to scale
3
SN54HCT244 , SN74HCT244
www.ti.com SCLS175E –MONTH 2003–REVISED AUGUST 2016
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5 Pin Configuration and Functions
J, W, DB, DW, N, NS, or PW Packages
20-Pin CDIP, CFP, SSOP, SOIC, PDIP, SO, or TSSOP
Top View
FK Package
20-Pin LCCC
Top View
Pin Functions
PIN
I/O DESCRIPTION
NO. NAME
1 1OE I Output enable
2 1A1 I Input
3 2Y4 O Output
4 1A2 I Input
5 2Y3 O Output
6 1A3 I Input
7 2Y2 O Output
8 1A4 I Input
9 2Y1 O Output
10 GND — Ground
11 2A1 I Input
12 1Y4 O Output
13 2A2 I Input
14 1Y3 O Output
15 2A3 I Input
16 1Y2 O Output
17 2A4 I Input
18 1Y1 O Output
19 2OE I Output enable
20 V
CC
— Power pin