AT49F516-55VI 查看數據表（PDF） - Atmel Corporation
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AT49F516-55VI Datasheet PDF : 13 Pages
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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
Read
Chip Erase
1
Addr DOUT
6
5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55
Main Memory Erase
6
5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55
Word Program
Boot Block Lockout(2)
4
5555 AA 2AAA 55 5555 A0 Addr DIN
6
5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55
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).
2. The 8K word boot sector has the address range 00000H to 1FFFH.
3. Either one of the Product ID Exit commands can be used.
6th Bus
Cycle
Addr Data
5555 10
5555 30
5555 40
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 OE
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.
4
AT49F516
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