AT49LV8192A 데이터 시트보기 (PDF) - Atmel Corporation

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AT49LV8192A

8-megabit (1M x 8/512K x 16) Flash Memory

Atmel Corporation 

Command Definition in Hex(1)

Command

Sequence

Bus

Cycles

1st Bus

Cycle

Addr Data

2nd Bus

Cycle

Addr Data

3rd Bus

Cycle

Addr Data

4th Bus

Cycle

Addr Data

5th Bus

Cycle

Addr Data

6th Bus

Cycle

Addr Data

Read

Chip Erase

Sector Erase

1

Addr DOUT

6

5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 5555 10

6

5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 SA(4) 30

Byte/Word Program

4

5555 AA 2AAA 55 5555 A0 Addr DIN

Boot Block Lockout(2)

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(3)

3

5555 AA 2AAA 55 5555 F0

Product ID Exit(3)

1

xxxx F0

Notes:

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

The ADDRESS FORMAT in each bus cycle is as follows: A15 - A0 (Hex), A-1, and A15 - A18 (Don’t Care)

2. The boot sector has the address range 00000H to 03FFFH for the AT49BV008A; FC000H to FFFFFH for the

AT49BV008AT; 00000H to 01FFFH for the AT49BV8192A; and 7E000H to 7FFFFH for the AT49BV8192AT.

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

4. SA = sector addresses: (A0 - A18)

For the AT49BV008A/8192A

SA = 01XXX for BOOT BLOCK

SA = 02XXX for PARAMETER BLOCK 1

SA = 03XXX for PARAMETER BLOCK 2

SA = 7FXXX for MAIN MEMORY ARRAY

For the AT49BV008AT/8192AT

SA = 7FXXX for BOOT BLOCK

SA = 7DXXX for PARAMETER BLOCK 1

SA = 7CXXX for PARAMETER BLOCK 2

SA = 7BXXX for MAIN MEMORY ARRAY

Absolute Maximum Ratings*

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

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

Voltage on RESET

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

*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.

6 AT49BV008A(T)/8192A(T)

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