| Specification | Description |
|---|---|
| IC Type | Buffer/Line Driver |
| Part Number | 74241 |
| Manufacturer | Various (including Texas Instruments, ON Semiconductor, etc.) |
| Logic Family | TTL (Transistor-Transistor Logic) |
| Function | Dual 4-bit buffer/line driver with tri-state outputs |
| Pin Count | 20-pin DIP/SOIC |
| Voltage Supply (Vcc) | 4.75V to 5.25V |
| Input Voltage (VIH) | Minimum 2.0V for High state |
| Input Voltage (VIL) | Maximum 0.8V for Low state |
| Output Voltage (VOH) | Minimum 2.4V (IOH = -15 mA) |
| Output Voltage (VOL) | Maximum 0.4V (IOL = 24 mA) |
| High-Level Output Current (IOH) | -15 mA |
| Low-Level Output Current (IOL) | 24 mA |
| Input Current (II) | Maximum 1 µA |
| Propagation Delay (tpd) | Typical 10 ns |
| Operating Temperature Range | 0°C to 70°C |
| Power Consumption | Typical 40 mW |
| Control Inputs | 2 enable inputs per 4-bit buffer (active low) |
| Features | – Tri-state outputs |
| – High current driving capability | |
| – Input clamping diodes to limit high-speed switching transients | |
| Applications | – Bus drivers |
| – Memory address drivers | |
| – Clock drivers | |
| – Data distribution |
Pin Configuration:
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | 1OE | Output Enable for Buffer 1 (active low) |
| 2 | 1A1 | Input for Buffer 1, bit 1 |
| 3 | 2Y4 | Output for Buffer 2, bit 4 |
| 4 | 1A2 | Input for Buffer 1, bit 2 |
| 5 | 2Y3 | Output for Buffer 2, bit 3 |
| 6 | 1A3 | Input for Buffer 1, bit 3 |
| 7 | 2Y2 | Output for Buffer 2, bit 2 |
| 8 | 1A4 | Input for Buffer 1, bit 4 |
| 9 | 2Y1 | Output for Buffer 2, bit 1 |
| 10 | GND | Ground |
| 11 | 2A1 | Input for Buffer 2, bit 1 |
| 12 | 1Y1 | Output for Buffer 1, bit 1 |
| 13 | 2A2 | Input for Buffer 2, bit 2 |
| 14 | 1Y2 | Output for Buffer 1, bit 2 |
| 15 | 2A3 | Input for Buffer 2, bit 3 |
| 16 | 1Y3 | Output for Buffer 1, bit 3 |
| 17 | 2A4 | Input for Buffer 2, bit 4 |
| 18 | 1Y4 | Output for Buffer 1, bit 4 |
| 19 | 2OE | Output Enable for Buffer 2 (active low) |
| 20 | Vcc | Power Supply (typically +5V) |
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