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UPD42S65405-A50 - 64M-BIT DYNAMIC RAM

Download the UPD42S65405-A50 datasheet PDF. This datasheet also covers the UPD4264405 variant, as both devices belong to the same 64m-bit dynamic ram family and are provided as variant models within a single manufacturer datasheet.

Description

The µPD4264405, 42S65405, 4265405 are 16,777,216 words by 4 bits CMOS dynamic RAMs with optional EDO.

EDO is a kind of the page mode and is useful for the read operation.

Besides, the µPD42S65405 can execute CAS before RAS self refresh.

Features

  • EDO (Hyper page mode).
  • 16,777,216 words by 4 bits organization.
  • Single +3.3 V ± 0.3 V power supply.
  • Fast access and cycle time Part number Power consumption Active (MAX. ) 360 mW Access time (MAX. ) 50 ns R/W cycle time (MIN. ) 84 ns EDO (Hyper page mode) cycle time (MIN. ) 20 ns µPD4264405-A50 µPD42S65405-A50, 4265405-A50 µPD4264405-A60 µPD42S65405-A60, 4265405-A60 468 mW 324 mW 396 mW 60 ns 104 ns 25 ns.
  • The µPD42S65405 can execute CAS before R.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UPD4264405-NEC.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number UPD42S65405-A50
Manufacturer NEC
File Size 268.90 KB
Description 64M-BIT DYNAMIC RAM
Datasheet download datasheet UPD42S65405-A50 Datasheet

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Other Datasheets by NEC

Part Number Description
UPD42S65405-A60 64M-BIT DYNAMIC RAM
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UPD42S65405G5-A50-7JD 64M-BIT DYNAMIC RAM
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Full PDF Text Transcription

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DATA SHEET MOS INTEGRATED CIRCUIT µPD4264405, 42S65405, 4265405 64 M-BIT DYNAMIC RAM 16 M-WORD BY 4-BIT, EDO Description The µPD4264405, 42S65405, 4265405 are 16,777,216 words by 4 bits CMOS dynamic RAMs with optional EDO. EDO is a kind of the page mode and is useful for the read operation. Besides, the µPD42S65405 can execute CAS before RAS self refresh. These are packaged in 32-pin plastic TSOP (II) and 32-pin plastic SOJ. Features • EDO (Hyper page mode) • 16,777,216 words by 4 bits organization • Single +3.3 V ± 0.3 V power supply • Fast access and cycle time Part number Power consumption Active (MAX.) 360 mW Access time (MAX.) 50 ns R/W cycle time (MIN.) 84 ns EDO (Hyper page mode) cycle time (MIN.
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