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AT49BV1604A-70CI Datasheet(PDF) 1 Page - ATMEL Corporation |
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AT49BV1604A-70CI Datasheet(HTML) 1 Page - ATMEL Corporation |
1 / 26 page 1 Features • Single Voltage Read/Write Operation: 2.65V to 3.3V (BV), 3.0V to 3.6V (LV) • Access Time–70ns • Sector Erase Architecture – Thirty-one 32K Word (64K Bytes) Sectors with Individual Write Lockout – Eight 4K Word (8K Bytes) Sectors with Individual Write Lockout • Fast Word Program Time – 20 µs • Fast Sector Erase Time – 300 ms • Dual-plane Organization, Permitting Concurrent Read while Program/Erase Memory Plane A: Eight 4K Word and Seven 32K Word Sectors Memory Plane B: Twenty-four 32K Word Sectors • Erase Suspend Capability – Supports Reading/Programming Data from Any Sector by Suspending Erase of Any Different Sector • Low-power Operation –30 mA Active – 10 µA Standby • Data Polling, Toggle Bit, Ready/Busy for End of Program Detection • VPP Pin for Accelerated Program/Erase Operations • RESET Input for Device Initialization • Sector Lockdown Support • TSOP and CBGA Package Options • Top or Bottom Boot Block Configuration Available • 128-bit Protection Register Description The AT49BV/LV16X4A(T) is a 2.65- to 3.3-volt 16-megabit Flash memory organized as 1,048,576 words of 16 bits each or 2,097,152 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 39 sectors for erase operations. The device is offered in 48-lead TSOP and 48-ball CBGA packages. The device has CE and OE control signals to avoid any bus contention. This device can be read or reprogrammed using a single 2.65V power supply, making it ideally suited for in-system programming. Pin Configurations Pin Name Function A0 - A19 Addresses CE Chip Enable OE Output Enable WE Write Enable RESET Reset RDY/BUSY READY/BUSY Output VPP Power Supply for Accelerated Program/Erase Operations 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 16-megabit (1Mx 16/2Mx8) 3-volt Only Flash Memory AT49BV1604A AT49BV1604AT AT49BV1614A AT49LV1614A AT49BV1614AT AT49LV1614AT Rev. 1411F–FLASH–03/02 |
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