AT49BV320A-70TI ATMEL Corporation, AT49BV320A-70TI Datasheet
AT49BV320A-70TI
Manufacturer Part Number
AT49BV320A-70TI
Description
Manufacturer
ATMEL Corporation
Datasheet
1.AT49BV320A.pdf
(33 pages)
Specifications of AT49BV320A-70TI
Date_code
0350+
Packing_info
TSSOP48
Features
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Description
The AT49BV32XA(T) is a 2.7-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 46-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
A0 - A20
CE
OE
WE
RESET
RDY/BUSY
VPP
I/O0 - I/O14
I/O15 (A-1)
BYTE
NC
VCCQ
Single Voltage Read/Write Operation: 2.65V to 3.6V
Access Time – 70 ns
Sector Erase Architecture
Fast Word Program Time – 12 µs
Fast Sector Erase Time – 300 ms
Suspend/Resume Feature for Erase and Program
Low-power Operation
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)
– Sixty-three 32K Word (64K Bytes) Sectors with Individual Write Lockout
– Eight 4K Word (8K Bytes) Sectors with Individual Write Lockout
– Supports Reading and Programming from Any Sector by Suspending Erase
– Supports Reading Any Byte/Word in the Non-suspending Sectors by Suspending
– 12 mA Active
– 13 µA Standby
of a Different Sector
Programming of Any Other Byte/Word
Function
Addresses
Chip Enable
Output Enable
Write Enable
Reset
READY/BUSY Output
Write Protection
Data Inputs/Outputs
I/O15 (Data Input/Output, Word Mode)
A-1 (LSB Address Input, Byte Mode)
Selects Byte or Word Mode
No Connect
Output Power Supply
32-megabit
(2M x 16/4M x 8)
3-volt Only
Flash Memory
AT49BV320A
AT49BV320AT
AT49BV322A
AT49BV322AT
Rev. 3308D–FLASH–5/03
1
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