SCLS228O October 1995 – July 2024 SN54AHCT244 , SN74AHCT244
PRODMIX
Refer to the PDF data sheet for device specific package drawings
These octal buffers/drivers are
designed specifically to improve both the performance and density of
3-state memory-address drivers, clock drivers, and
bus-oriented receivers and transmitters.
PART NUMBER | PACKAGE(1) | PACKAGE SIZE(2) | BODY SIZE(3) |
---|---|---|---|
SNx4AHCT244 | N (PDIP, 20) | 24.33mm x 9.4mm | 25.40mm x 6.35mm |
DW (SOIC, 20) | 12.80mm × 10.3mm | 12.8mm x 7.5mm | |
NS (SOP, 20) | 12.60mm x 7.8mm | 12.6mm x 5.30mm | |
DB (SSOP, 20) | 7.2mm × 7.8mm | 7.50mm x 5.30mm | |
DGV (TVSOP, 20) | 5.00mm x 6.4mm | 5.00mm x 4.40mm | |
PW (TSSOP, 20) | 6.50mm × 6.4mm | 6.50mm x 4.40mm | |
J (CDIP, 20) | 24.2mm x 7.62mm | 24.2mm x 6.92mm | |
W (CFP, 20) | 13.09mm x 8.13mm | 13.09mm x 6.92mm |
![]() |
![]() |
Figure 4-1 SN54AHCT244 J or W Package; SN74AHCT244 DB, DGV, DW, N, NS,
or PW Package (Top View)
|
Figure 4-2 SN54AHCT244 FK Package (Top View)
|
PIN | I/O | DESCRIPTION | |
---|---|---|---|
NO. | NAME | ||
1 | 1 OE | I | Output Enable 1 |
2 | 1A1 | I | Input 1A1 |
3 | 2Y4 | O | Output 2Y4 |
4 | 1A2 | I | Input 1A2 |
5 | 2Y3 | O | Output 2Y3 |
6 | 1A3 | I | Input 1A3 |
7 | 2Y2 | O | Output 2Y2 |
8 | 1A4 | I | Input 1A4 |
9 | 2Y1 | O | Output 2Y1 |
10 | GND | – | Ground Pin |
11 | 2A1 | I | Input 2A1 |
12 | 1Y4 | O | Output 1Y4 |
13 | 2A2 | I | Input 2A2 |
14 | 1Y3 | O | Output 1Y3 |
15 | 2A3 | I | Input 2A3 |
16 | 1Y2 | O | Output 1Y2 |
17 | 2A4 | I | Input 2A4 |
18 | 1Y1 | O | Output 1Y1 |
19 | 2 OE | I | Output Enable 2 |
20 | VCC | – | Power Pin |