Datasheet Details
| Part number | UPD4564163 |
|---|---|
| Manufacturer | Elpida Memory |
| File Size | 919.99 KB |
| Description | (UPD4564841/441/163) 64M-bit SDRAM |
| Datasheet |
 UPD4564163 Datasheet
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General Description
The µPD4564441, 4564841, 4564163 are high-speed 67,108,864-bit synchronous dynamic random-access memories, organized as 4,194,304 × 4 × 4, 2,097,152 × 8 × 4, 1,048,576 ×16 × 4 (word × bit × bank), respectively.
The synchronous DRAMs achieved high-speed data transfer using the pipeline architecture.
Key Features
- Fully Synchronous Dynamic RAM, with all signals referenced to a positive clock edge.
- Pulsed interface.
- Possible to assert random column address in every cycle.
- Quad internal banks controlled by A12 and A13 (Bank Select).
- Byte control (×16) by LDQM and UDQM.
- Programmable Wrap sequence (Sequential / Interleave).
- Programmable burst length (1, 2, 4, 8 and full page).
- Programmable /CAS latency (2 and 3).
- Automatic prech.