Command Definition (in Hex)

Command

Sequence

Bus

Cycles

1st Bus

Cycle

2nd Bus

Cycle

3rd Bus

Cycle

4th Bus

Cycle

5th Bus

Cycle

6th Bus

Cycle

Addr

Data

Addr

Data

Addr

Data

Addr

Data

Addr

Data

Addr

Data

Read

1Addr

Chip Erase

6

5555

AA

2AAA

55

5555

80

5555

AA

2AAA

55

5555

10

Byte

Program

4

5555

AA

2AAA

55

5555

A0

Addr

Boot Block

Lockout

(1)

6

5555

AA

2AAA

55

5555

80

5555

AA

2AAA

55

5555

40

Product ID

Entry

3

5555

AA

2AAA

55

5555

90

Product ID

Exit

(2)

3

5555

AA

2AAA

55

5555

F0

Product ID

Exit

(2)

1

XXXX

F0

Notes: 1. The 16K byte boot sector has the address range 00000H to 03FFFH for the AT49BV/LV080 and FC000H to FFFFFH for the

AT49BV/LV080T.

2. Either one of the Product ID Exit commands can be used.

Temperature Under Bias................. -55°C to +125°C

Storage Temperature...................... -65°C to +150°C

All Input Voltages

(including NC Pins)

with Respect to Ground ................... -0.6V to +6.25V

All Output Voltages

Voltage on OE

with Respect to Ground ................... -0.6V to +13.5V

*NOTICE: Stresses beyond those listed under “Absolute Maxi-

mum Ratings” may cause permanent damage to the device.

This is a stress rating only and functional operation of the

device at these or any other conditions beyond those indi-

cated in the operational sections of this specification is not

implied. Exposure to absolute maximum rating conditions

for extended periods may affect device reliability.

Absolute Maximum Ratings*

4

AT49BV/LV080