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AT49SV322A fiches techniques PDF

ATMEL Corporation - 32-megabit (2M x 16/4M x 8) 1.8-volt Only Flash Memory

Numéro de référence AT49SV322A
Description 32-megabit (2M x 16/4M x 8) 1.8-volt Only Flash Memory
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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AT49SV322A fiche technique
Features
Single Voltage Read/Write Operation: 1.65V to 1.95V
Access Time – 80 ns
Sector Erase Architecture
– Sixty-three 32K Word (64K Bytes) Sectors with Individual Write Lockout
– Eight 4K Word (8K Bytes) Sectors with Individual Write Lockout
Fast Word Program Time – 12 µs
Fast Sector Erase Time – 300 ms
Suspend/Resume Feature for Erase and Program
– Supports Reading and Programming from Any Sector by Suspending Erase
of a Different Sector
– Supports Reading Any Byte/Word in the Non-suspending Sectors by Suspending
Programming of Any Other Byte/Word
Low-power Operation
– 12 mA Active
– 13 µA Standby
Data Polling, Toggle Bit, Ready/Busy for End of Program Detection
VPP Pin for Write Protection
RESET Input for Device Initialization
Sector Lockdown Support
TSOP and CBGA Package Options
Top or Bottom Boot Block Configuration Available
128-bit Protection Register
Minimum 100,000 Erase Cycles
Common Flash Interface (CFI)
32-megabit
(2M x 16/4M x 8)
1.8-volt Only
Flash Memory
AT49SV322A
AT49SV322AT
Description
The AT49SV322A(T) is a 1.8-volt 32-megabit Flash memory organized as 2,097,152
words of 16 bits each or 4,194,304 bytes of 8 bits each. The x16 data appears on I/O0
- I/O15; the x8 data appears on I/O0 - I/O7. The memory is divided into 71 sectors for
erase operations. The device is offered in a 48-lead TSOP and a 48-ball CBGA pack-
age. The device has CE and OE control signals to avoid any bus contention. This
device can be read or reprogrammed using a single power supply, making it ideally
suited for in-system programming.
Pin Configurations
Pin Name
Function
A0 - A20
Addresses
CE Chip Enable
OE Output Enable
WE
RESET
Write Enable
Reset
RDY/BUSY
READY/BUSY Output
VPP
Write Protection
I/O0 - I/O14
I/O15 (A-1)
Data Inputs/Outputs
I/O15 (Data Input/Output, Word Mode)
A-1 (LSB Address Input, Byte Mode)
BYTE
NC
Selects Byte or Word Mode
No Connect
Rev. 3360C–FLASH–3/04
1

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