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W27E257 - 32K x 8 ELECTRICALLY ERASABLE EPROM

Datasheet Summary

Description

The W27E257 is a high-speed, low-power Electrically Erasable and Programmable Read Only Memory organized as 32768 × 8 bits that operates on a single 5 volt power supply.

The W27E257 provides an electrical chip erase function.

This part was the same EPROM Writer's utilities as the W27E256.

Features

  • High speed access time: 100/120/150 nS (max. ).
  • Read operating current: 15 mA (typ. ).
  • Erase/Programming operating current 1 mA (typ. ).
  • Standby current: 5 µA (typ. ).
  • Single 5V power supply.
  • +14V erase/+12V programming voltage.
  • Fully static operation.
  • All inputs and outputs directly TTL/CMOS compatible.
  • Three-state outputs.
  • Available packages: 28-pin 600 mil DIP and 32-pin PLCC PIN.

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Datasheet Details

Part number W27E257
Manufacturer Winbond
File Size 199.55 KB
Description 32K x 8 ELECTRICALLY ERASABLE EPROM
Datasheet download datasheet W27E257 Datasheet
Additional preview pages of the W27E257 datasheet.

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Full PDF Text Transcription

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W27E257 32K × 8 ELECTRICALLY ERASABLE EPROM GENERAL DESCRIPTION The W27E257 is a high-speed, low-power Electrically Erasable and Programmable Read Only Memory organized as 32768 × 8 bits that operates on a single 5 volt power supply. The W27E257 provides an electrical chip erase function. This part was the same EPROM Writer's utilities as the W27E256. FEATURES • High speed access time: 100/120/150 nS (max.) • Read operating current: 15 mA (typ.) • Erase/Programming operating current 1 mA (typ.) • Standby current: 5 µA (typ.
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