DL193D Dual 2 to 4 Line Decoder/Demultiplexer DIP-16
The DL193D is a TTL-based synchronous 4-bit up/down binary counter integrated circuit designed for digital counting systems, timing applications, embedded electronics, industrial automation, and educational projects. The IC is housed in a standard DIP16 through-hole package, allowing easy integration into breadboards, prototyping circuits, and PCB designs.
Features:
- Synchronous 4-bit binary up/down counter.
- Compatible with 74193 and SN74LS193 IC families.
- Separate UP and DOWN clock inputs.
- Asynchronous reset input.
- Parallel load capability.
- TTL Low-Power Schottky technology.
- Standard DIP16 through-hole package.
Specifications:
| Parameter | Value |
|---|---|
| Model | DL193D. |
| Equivalent IC | 74193 / SN74LS193. |
| 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 Current (IOH) | -400µA. |
| Low-Level Output Current (IOL) | 8mA. |
| High-Level Output Voltage (VOH) | Min 2.7V. |
| Low-Level Output Voltage (VOL) | Max 0.5V. |
| Clock Frequency | 40 MHz Max. |
| UP → CO tPLH | 13ns (Typ), 26ns (Max). |
| DOWN → BO tPLH | 13ns (Typ), 24ns (Max). |
| CLR → Q tPHL | 28ns (Typ), 35ns (Max). |
| Operating Temperature | 0°C to +70°C. |
| Package Type | DIP-16. |
Pin Configuration:
| in Number | Pin Name | Function/Description |
|---|---|---|
| 1 | B | Data Input for Presetting Bit B. |
| 2 | QB | True Output for Bit B. |
| 3 | QA | True Output for Bit A (Least Significant Bit). |
| 4 | DOWN | Count Down Clock Input (Active on Positive Edge). |
| 5 | UP | Count Up Clock Input (Active on Positive Edge). |
| 6 | QC | True Output for Bit C. |
| 7 | QD | True Output for Bit D (Most Significant Bit). |
| 8 | GND | Ground (0V). |
| 9 | D | Data Input for Presetting Bit D (MSB). |
| 10 | C | Data Input for Presetting Bit C. |
| 11 | LOAD | Parallel Load Input (Active LOW). |
| 12 | CO | Carry Output (Active LOW). |
| 13 | BO | Borrow Output (Active LOW). |
| 14 | CLR | Master Asynchronous Clear Input (Active HIGH). |
| 15 | A | Data Input for Presetting Bit A (LSB). |
| 16 | VCC | Power Supply (+5V). |
Applications:
- Digital counting systems.
- Frequency divider circuits.
- Embedded electronic systems.
- Industrial automation electronics.
- Event counting applications.
- Digital timing systems.
- Educational electronics projects.
- Breadboard prototyping.
- LED and display counters.
- Sequential logic systems.
Package Include:
1x DL193D Synchronous 4-Bit Up/Down Binary Counter IC DIP16.