Data Sheet
SNx4ACT241 Octal Buffers/Drivers with 3-State Outputs
1 Features
- Operation of 4.5V to 5.5V VCC
- Inputs accept voltages to 5.5V
- Max tpd of 8.5ns at 5V
- Inputs are TTL-compatible
2 Description
These octal buffers and line drivers are designed specifically to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters.
Device Information
| PART NUMBER | PACKAGE(1) | PACKAGE SIZE(2) | BODY SIZE(3) |
|---|---|---|---|
| SNx4ACT241 | N (PDIP, 20) | 24.33mm × 9.4mm | 24.33mm × 6.35mm |
| DW (SOIC, 20) | 12.8mm × 10.3mm | 12.8mm × 7.5mm | |
| NS (SOP, 20) | 12.6mm × 7.8mm | 12.6mm × 5.3mm | |
| DB (SSOP, 20) | 7.2mm × 7.8mm | 7.2mm × 5.3mm | |
| PW (TSSOP, 20) | 6.5mm × 6.4mm | 6.5mm × 4.4mm |
(1) For more information, see Section 10.
(2) The package size (length × width)
is a nominal value and includes pins, where applicable.
(3) The body size (length × width) is
a nominal value and does not include pins.
Logic Diagram (Positive Logic)
3 Pin Configuration and Functions
Figure 3-1 SN54ACT241 J or W Package
SN74ACT241 DB, DW, N, NS, or PW Package (Top View)
Figure 3-2 SN54ACT241 FK Package (Top
View)Table 3-1 Pin Functions
| NAME1 | PIN | TYPE | DESCRIPTION |
|---|---|---|---|
| 1OE | 1 | I | Output enable 1 |
| 1A1 | 2 | I | 1A1 input |
| 2Y4 | 3 | O | 2Y4 output |
| 1A2 | 4 | I | 1A2 input |
| 2Y3 | 5 | O | 2Y3 output |
| 1A3 | 6 | I | 1A3 input |
| 2Y2 | 7 | O | 2Y2 output |
| 1A4 | 8 | I | 1A4 input |
| 2Y1 | 9 | O | 2Y1 output |
| GND | 10 | — | Ground pin |
| 2A1 | 11 |
I |
2A1 input |
| 1Y4 | 12 | O | 1Y4 output |
| 2A2 | 13 |
I |
2A2 input |
| 1Y3 | 14 | O | 1Y3 output |
| 2A3 | 15 | I | 2A3 input |
| 1Y2 | 16 | O | 1Y2 output |
| 2A4 | 17 | I | 2A4 input |
| 1Y1 | 18 | O | 1Y1 output |
| 2OE | 19 | I | Output enable 2 |
| VCC | 20 | — | Power pin |
