M29W641DH, M29W641DL, M29W641DU

14/42

Table 3. Commands

Note: X Don’t Care, PA Program Address, PD Program Data, BA Any address in the Block. All values in the table are in hexadecimal.

Table 4. Program, Erase Times and Program, Erase Endurance Cycles

Note: 1. Typical values measured at room temperature and nominal voltages.

2. Sampled, but not 100% tested.

Command

Bus Write Operations

1st

2nd

3rd

4th

5th

6th

Addr

Data

Addr

Data

Addr

Data

Addr

Data

Addr

Data

Addr

Data

Read/Reset

1X

F0

3

555

AA

2AA

55

X

F0

Auto Select

3

555

AA

2AA

55

555

90

Program

4

555

AA

2AA

55

555

A0

PA

PD

Double Word Program

3

555

50

PA0

PD0

PA1

PD1

Unlock Bypass

3

555

AA

2AA

55

555

20

Unlock Bypass

Program

2X

A0

PA

PD

Unlock Bypass Reset

2

X

90

X

00

Chip Erase

6

555

AA

2AA

55

555

80

555

AA

2AA

55

555

10

Block Erase

6+

555

AA

2AA

55

555

80

555

AA

2AA

55

BA

30

Erase Suspend

1

X

B0

Erase Resume

1

X

30

Read CFI Query

1

55

98

Enter Extended Block

3

555

AA

2AA

55

555

88

Exit Extended Block

4

555

AA

2AA

55

555

90

X

00

Parameter

Min

Unit

Chip Erase

80

s

Block Erase (32 KWords)

0.8

s

Erase Suspend Latency Time

µs

Program (Word)

10

µs

Double Word Program

10

µs

Chip Program (Word by Word)

40

s

Chip Program (Double Word)

20

s

Program/Erase Cycles (per Block)

100,000

cycles

Data Retention

20

years