W27E040-12 データシートの表示（PDF） - Winbond

部品番号

コンポーネント説明

メーカー

W27E040-12

512K x 8 ELECTRICALLY ERASABLE EPROM

Winbond 

W27E040

SMART PROGRAMMING ALGORITHM

Start

Address = First Location

Vcc = 5V

Vpp = 12V

X=0

Program One 100 µS Pulse

Increment X

Yes

X = 25?

No

Fail

Verify One Byte

Fail

Verify One Byte

Increment No

Address

Pass

Last

Address?

Yes

Pass

*Program whole chip

without data verification and read

Vcc = 5V

Vpp = 5V

Compare All Bytes Fail

to Original Data

Pass

Pass

Device

*: Program the whole chip again without data verification and read.

Fail

Device

- 10 -

Share Link: