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Description

The AT49BV802A(T) is a 2.7-volt 8-megabit Flash memory organized as 524,288 words of 16 bits each or 1,048,576 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 23 sectors for erase operations. The AT49BV802A(T) is offered in a 48-lead TSOP and a 48-ball CBGA package. 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.

Features

? Single Voltage Read/Write Operation: 2.65V to 3.6V

? Access Time – 70 ns

? Sector Erase Architecture

– Fifteen 32K Word (64K Bytes) Sectors with Individual Write Lockout

– Eight 4K Word (8K Bytes) Sectors with Individual Write Lockout

? Fast Byte/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

? 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)