AS29LV400 データシートの表示（PDF） - Alliance Semiconductor

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AS29LV400

3V 512K x 8/256K × 16 CMOS Flash EEPROM

Alliance Semiconductor 

March 2001

ID Sector address table

Bottom boot sector address

(AS29LV400B)

Sector A17 A16 A15 A14 A13 A12

0

00000X

1

000010

2

000011

3

0 0 0 1 XX

4

0 0 1 XXX

5

0 1 0 XXX

6

0 1 1 XXX

7

1 0 0 XXX

8

1 0 1 XXX

9

1 1 0 XXX

10

1 1 1 XXX

AS29LV400

®

Top boot sector address

(AS29LV400T)

A17 A16 A15 A14 A13 A12

0

0

0

X

X

X

0

0

1

X

X

X

0

1

0

X

X

X

0

1

1

X

X

X

1

0

0

X

X

X

1

0

1

X

X

X

1

1

0

X

X

X

1

1

1

0

X

X

1

1

1

1

0

0

1

1

1

1

0

1

1

1

1

1

1

X

READ codes

Mode

MFR code (Alliance Semiconductor)

Device code

×8 T boot

×8 B boot

×16 T boot

×16 B boot

Sector protection

Key: L =Low (<VIL); H = High (>VIH); X =Don’t care

A17–A12

A6 A1 A0 Code

X

L

L

L

52h

X

L

L

H B9h

X

L

L

H BAh

X

L

L

H 22B9h

X

L

L

H 22BAh

Sector address L

HL

01h protected

00h unprotected

3/20/01; V.0.9.3

Alliance Semiconductor

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