AT49BV/LV8192(T)

5

Notes:

1. The DATA FORMAT in each bus cycle is as follows: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)

2. The 8K word boot sector has the address range 00000H to 01FFFH for the AT49BV/LV8192 and 7E000H to 7FFFFH for the

AT49BV/LV8192T.

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

4. SA = sector addresses:

For the AT49BV/LV8192

SA = 03XXX for PARAMETER BLOCK 1

SA = 05XXX for PARAMETER BLOCK 2

SA = 7FXXX for MAIN MEMORY ARRAY

For the AT49BV/LV8192T

SA = 7DXXX for PARAMETER BLOCK 1

SA = 7BXXX for PARAMETER BLOCK 2

SA = 79XXX for MAIN MEMORY ARRAY

5. When the boot block programming lockout feature is not enabled, the boot block and the main memory block will erase

together (form the same sector erase command). Once the boot region has been protected, only the main memory array

sector will erase when its sector erase command is issued.

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

1

Addr

D

OUT

Chip Erase

6

5555

AA

2AAA

55

5555

80

5555

AA

2AAA

55

5555

10

Sector Erase

6

5555

AA

2AAA

55

5555

80

5555

AA

2AAA

55

30

Word Program

4

5555

AA

2AAA

55

5555

A0

Addr

D

IN

6

5555

AA

2AAA

55

5555

80

5555

AA

2AAA

55

5555

40

Product ID Entry

3

5555

AA

2AAA

55

5555

90

3

5555

AA

2AAA

55

5555

F0

1

xxxx

F0

Absolute Maximum Ratings*

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

*NOTICE:

Stresses beyond those listed under “Absolute

Maximum Ratings” may cause permanent dam-

age to the device. This is a stress rating only and

functional operation of the device at these or any

other conditions beyond those indicated in the

operational sections of this specification is not

implied. Exposure to absolute maximum rating

conditions for extended periods may affect device

reliability.

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

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

Voltage on RESET

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