DL037D = SN7437N Quad NAND Gate DIP-14
The DL037D is a TTL-based Quad 2-Input NAND Buffer integrated circuit designed for digital logic processing, signal buffering, industrial electronics, and embedded system applications. The IC contains four independent 2-input NAND buffer gates inside a standard DIP14 through-hole package, making it suitable for breadboard prototyping, educational electronics, automation systems, and PCB development.
Features:
- Four independent 2-input NAND buffer gates.
- Compatible with SN7437N and SN74LS37 IC families.
- TTL Low-Power Schottky technology.
- Buffered NAND gate outputs.
- Standard DIP14 through-hole package.
- Fast switching performance.
- TTL-compatible input levels.
Specifications:
| parameter | Value |
|---|---|
| Model | DL037D. |
| Equivalent IC | SN7437N / SN74LS37 / 74LS37. |
| Technology | TTL Low-Power Schottky (LS). |
| Operating Voltage (VCC) | 5VDC (4.75V to 5.25V). |
| High‑Level Input Voltage (VIH) | Min 2.0V. |
| Low‑Level Input Voltage (VIL) | Max 0.8V. |
| High‑Level Output Voltage (VOH) | Min 2.7V. |
| Low‑Level Output Voltage (VOL) | Max 0.5V. |
| High‑Level Output Current (IOH) | -1.2mA. |
| Low‑Level Output Current (IOL) | 24mA. |
| Propagation Delay (tPLH / tPHL) | 24ns (Typical). |
| Operating Temperature | 0°C to +70°C. |
| Package Type | DIP-14. |
Pin Configuration:
| Pin Number | Pin Name | Function/Description |
|---|---|---|
| 1 | 1A | Input A of NAND Buffer Gate 1. |
| 2 | 1B | Input B of NAND Buffer Gate 1. |
| 3 | 1Y | Output of NAND Buffer Gate 1. |
| 4 | 2A | Input A of NAND Buffer Gate 2. |
| 5 | 2B | Input B of NAND Buffer Gate 2. |
| 6 | 2Y | Output of NAND Buffer Gate 2. |
| 7 | GND | Ground (0V). |
| 8 | 3Y | Output of NAND Buffer Gate 3. |
| 9 | 3A | Input A of NAND Buffer Gate 3. |
| 10 | 3B | Input B of NAND Buffer Gate 3. |
| 11 | 4Y | Output of NAND Buffer Gate 4. |
| 12 | 4A | Input A of NAND Buffer Gate 4. |
| 13 | 4B | Input B of NAND Buffer Gate 4. |
| 14 | VCC | Power Supply (+5V). |
Applications:
- Digital logic circuits.
- TTL signal buffering.
- Embedded electronic systems.
- Industrial automation electronics.
- Logic-level signal processing.
- Educational electronics projects.
- Breadboard prototyping.
- Digital control systems.
- Interface logic circuits.
- High fan-out TTL applications.
Package Include:
1x DL037D Quad NAND Gate DIP-14