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Octal Buffers And Line Drivers With 3-State Outputs
74244
ic logic
This IC is an octal buffer with 3-state outputs designed to improve performance in memory address drivers and bus-oriented receivers/transmitters.
In stock
Specifications
3- Operating Voltage
- 7 V (MAX) / 5.5 V (SNx4S24x MAX) / 4.5 V to 5.5 V (NOM) / 4.75 V to 5.25 V (SN74xS24x) V
- Supply Current
- 17 mA (Outputs high, All) / 80 mA (SN54S240, SN74S240) / 95 mA (SN54S241, SN54S244, SN74S241, SN74S244) mA
- Package
- DB (SSOP), DW (SOIC), N (PDIP), NS (SOP), J (CDIP), FK (LCCC)
Pinout
20Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | 1G | GPIO | Channel 1 output enable |
| 2 | 1A1 | GPIO | Channel 1, A side 1 |
| 3 | 2Y4 | GPIO | Channel 2, Y side 4 |
| 4 | 1A2 | GPIO | Channel 1, A side 2 |
| 5 | 2Y3 | GPIO | Channel 2, Y side 3 |
| 6 | 1A3 | GPIO | Channel 1, A side 3 |
| 7 | 2Y2 | GPIO | Channel 2, Y side 2 |
| 8 | 1A4 | GPIO | Channel 1, A side 4 |
| 9 | 2Y1 | GPIO | Channel 2, Y side 1 |
| 10 | GND | GND | Ground |
| 11 | 2A1 | GPIO | Channel 2, A side 1 |
| 12 | 1Y4 | GPIO | Channel 1, Y side 4 |
| 13 | 2A2 | GPIO | Channel 2, A side 2 |
| 14 | 1Y3 | GPIO | Channel 1, Y side 3 |
| 15 | 2A3 | GPIO | Channel 2, A side 3 |
| 16 | 1Y2 | GPIO | Channel 1, Y side 2 |
| 17 | 2A4 | GPIO | Channel 2, A side 4 |
| 18 | 1Y1 | GPIO | Channel 1, Y side 1 |
| 19 | 2G/2G | GPIO | Channel 2 output enable |
| 20 | VCC | POWER | Power supply |
Interactive pinout
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74244
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