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AT49BV320-11UI Datasheet(PDF) 1 Page - ATMEL Corporation |
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AT49BV320-11UI Datasheet(HTML) 1 Page - ATMEL Corporation |
1 / 30 page 1 Features • Single Voltage Read/Write Operation: 2.65V to 3.3V (BV), 3.0V to 3.6V (LV) • Access Time–85ns • 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 – 15 µs • Fast Sector Erase Time – 200 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 by Suspending Programming of Any Other Byte/Word • Low-power Operation –25 mA Active – 10 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, CBGA and µBGA Package Options • Top or Bottom Boot Block Configuration Available • 128-bit Protection Register Description The AT49BV/LV32X(T) is a 3.0-volt 32-megabit Flash m em or y 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 48-lead TSOP, and 48-ball CBGA and µBGA packages. 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. 32-megabit (2Mx 16/4Mx8) 3-volt Only Flash Memory AT49BV320 AT49BV320T AT49BV321 AT49BV321T AT49LV320 AT49LV320T AT49LV321 AT49LV321T Recommend Using AT49BV320A(T)/322A(T) for New Designs. Pin Configurations Pin Name Function A0 - A20 Addresses CE Chip Enable OE Output Enable WE Write Enable RESET Reset RDY/BUSY READY/BUSY Output VPP Write Protection I/O0 - I/O14 Data Inputs/Outputs I/O15 (A-1) I/O15 (Data Input/Output, Word Mode) A-1 (LSB Address Input, Byte Mode) BYTE Selects Byte or Word Mode NC No Connect VCCQ Output Power Supply Rev. 1494H–FLASH–01/03 |
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