AS27C256-90J Ver la hoja de datos (PDF) - Austin Semiconductor

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AS27C256-90J

256K UVEPROM UV Erasable Programmable Read-Only Memory

Austin Semiconductor 

Austin Semiconductor, Inc.

UVEPROM

AS27C256

FIGURE 1. FLASHRITE PULSE PROGRAMMING FLOWCHART

Start

Address = First Location

VCC=6.25V, VPP=12.75V

X=0

Program One 100us Pulse

Programming

Section

Increment X

X = 25 ?

YES

FAIL

NO

Program

Verify

Byte?

Pass

Last

Increment Address NO Address?

Yes

VCC = VPP = 5.25V

Read

Verify

Section

READ

Verify

Bytes?

FAIL

Pass

Device Passed

Device Failed

AS27C256

Rev. 2.0 7/06

Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.

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