M29W640DT, M29W640DB

16/49

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.

The Command Interface only uses A–1, A0-A10 and DQ0-DQ7 to verify the commands; A11-A20, DQ8-DQ14 and DQ15 are Don’t

Table 6. 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.

Program

4

AAA

AA

555

55

AAA

A0

PA

PD

Quadruple Byte Program

5

AAA

55

PA0

PD0

PA1

PD1

PA2

PD2

PA3

PD3

Unlock Bypass

3

AAA

AA

555

55

AAA

20

Unlock Bypass Program

2

X

A0

PA

PD

Unlock Bypass Reset

2

X

90

X

00

Chip Erase

6

AAA

AA

555

55

AAA

80

AAA

AA

555

55

AAA

10

Block Erase

6+

AAA

AA

555

55

AAA

80

AAA

AA

555

55

BA

30

Erase Suspend

1

X

B0

Erase Resume

1

X

30

Read CFI Query

1

AA

98

Enter Extended Block

3

AAA

AA

555

55

AAA

88

Exit Extended Block

4

AAA

AA

555

55

AAA

90

X

00

Parameter

Min

Unit

Chip Erase

80

s

Block Erase (64 KBytes)

0.8

s

Erase Suspend Latency Time

µs

Program (Byte or Word)

10

µs

Double Word Program (Byte or Word)

10

µs

Chip Program (Byte by Byte)

80

s

Chip Program (Word by Word)

40

s

Chip Program (Quadruple Byte or Double Word)

20

s

Program/Erase Cycles (per Block)

100,000

cycles

Data Retention

20

years

Command

Bus Write Operations

1st

2nd

3rd

4th

5th

6th

Add

Data

Add

Data

Add

Data

Add

Data

Add

Data

Add

Data