TH50VSF3583AASB Datasheet, PDF(49/50 Page) Toshiba Semiconductor – TOSHIBA MULTI-CHIP INTEGRATED CIRCUIT SILICON GATE CMOS

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TH50VSF3583AASB Datasheet, PDF (49/50 Pages) Toshiba Semiconductor – TOSHIBA MULTI-CHIP INTEGRATED CIRCUIT SILICON GATE CMOS

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Block Protect

TH50VSF3582/3583AASB

Start

RESET = VID

Wait to 4 Âµs

PLSCNT = 1

Block Protect

Command First Bus Write Cycle

(XXXh/60h)

Set up Address

Addr. = BPA

Block Protect

Command Second Bus Write Cycle

(BPA/60h)

Wait to 100 Âµs

Block Protect

Command Third Bus Write Cycle

(XXXh/40h)

Verify Block Protect

No

Data = 01h?

Yes

Yes

Protect Another Block?

No

Remove VID from RESET

Reset Command

Block Protect

Complete

PLSCNT = PLSCNT + 1

No

PLSCNT = 25?

Yes

Remove VID from RESET

Reset Command

Device Failed

BPA: Block Address and ID Read Address (A6, A1, A0)

ID Read Address = (0, 1, 0)

2001-06-08 49/50

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