μPD416C-3 Dynamic RAM 16K 16 Pin DIP
The μPD416C-3 is a Dynamic NMOS Random Access Memory (DRAM) integrated circuit manufactured by NEC. Organized as 16,384 words by 1 bit, this memory device was developed to provide high storage density while maintaining a compact package size. Utilizing a double-poly-layer N-channel silicon gate process, the μPD416C-3 achieves excellent memory density and reliable operation for digital memory systems.
Features:
- 16,384 × 1-bit Dynamic NMOS RAM organization.
- Standard 16-pin DIP package.
- High memory density design.
- Multiplexed address inputs.
- 150ns access time.
- Supports Read-Modify-Write operation.
- Supports RAS-only refresh cycles.
- Page Mode operation capability.
Specifications:
| Parameter | Value |
|---|---|
| Organization | 16384Words x 1Bit. |
| Package Type | 16-Pin DIP (Ceramic or Plastic). |
| Access Time | 150ns. |
| Read/Write Cycle Time | 375ns. |
| Read-Modify-Write Cycle Time | 375ns. |
| Power Supply VDD | +12V ± 10%. |
| Power Supply VCC | +5V ± 10%. |
| Power Supply VBB | -5V ± 10%. |
| Power Supply VSS | 0V. |
| Active Power Dissipation | 462mW (MAX). |
| Standby Power Dissipation | 40mW (MAX). |
| Operating Temperature | 0°C to +70°C. |
| Storage Temperature | -55°C to +150°C. |
| Input Capacitance (A0-A6, DIN) | 5pF (MAX). |
| Input Capacitance (RAS, CAS, WRITE) | 10pF (MAX). |
| Output Capacitance (DOUT) | 7pF (MAX). |
| Refresh Requirement | 128 Cycles Every 2ms. |
| Input High Voltage (RAS, CAS, WRITE) | 2.7V to 7.0V. |
| Input High Voltage (Other Inputs) | 2.4V to 7.0V. |
| Input Low Voltage | -1.0V to 0.8V. |
| Output High Voltage | 2.4V (MIN). |
| Output Low Voltage | 0.4V (MAX). |
Pin Configuration:
Applications:
- Vintage computer repair and restoration.
- Legacy memory subsystem replacement.
- Industrial control equipment maintenance.
- Telecommunications equipment repair.
- Educational digital electronics projects.
- Memory architecture demonstrations.
- Historical computer preservation projects.
- Electronic component collection and restoration.
- Embedded memory system development.
- Microprocessor-based system maintenance.
Package Include:
1x μPD416C-3 Dynamic RAM 16K 16 Pin DIP