W27E257 Selling Leads, Price trend, W27E257 DataSheet download, circuit diagram from SeekIC.com

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 mA (typ.)· Single 5V power supply· +14V erase/+12V programming voltage· Fully static operation· All inputs and outputs directly TTL/C...

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SeekIC No. : 004544549 Detail

W27E257: 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 mA (typ.)· Single 5V power supply...

W27E257 Data Sheet

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Part Number:: W27E257
Supply Ability:: 5000

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1~5000

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Negotiable

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15 Days

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Upload time: 2024/11/4

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Recent History
What is this?

W27E010 evaluate
Features: · High speed access time: 45/55/70/90/120 nS (max.)· Read operating current: 30 mA (typ....
W27E02 evaluate
Features: · Single power supply voltage: 5.0V ±10%· High speed access time: 70/90 nS (max.)· Read ...
W27E020 evaluate
Features: · High speed access time: 70/90/120 nS (max.)· Read operating current: 30 mA (max.)· Era...

Product Details

Description

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 mA (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

Pinout

Connection Diagram

Specifications

PARAMETER	RATING	UNIT
Ambient Temperature with Power Applied	-55 to +125	°C
Storage Temperature	-65 to +150	°C
Voltage on all Pins with Respect to Ground Except V_PP, A9 and V_CC Pins	-0.5 to V_CC +0.5	V
Voltage on V_PP Pin with Respect to Ground	-0.5 to +14.5	V
Voltage on A9 Pin with Respect to Ground	-0.5 to +14.5	V
Voltage V_CC Pin with Respect to Ground	-0.5 to +7	V

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

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W27E257

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