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AT28BV64-30JI Datasheet(PDF) 1 Page - ATMEL Corporation |
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AT28BV64-30JI Datasheet(HTML) 1 Page - ATMEL Corporation |
1 / 8 page (continued) AT28BV64 64K (8K x 8) Battery-Voltage ™ CMOS E 2PROM Features • 2.7V to 3.6V Supply Full Read and Write Operation • Low Power Dissipation 8 mA Active Current 50 µA CMOS Standby Current • Read Access Time - 300 ns • Byte Write - 3 ms • Direct Microprocessor Control DATA Polling READY/BUSY Open Drain Output • High Reliability CMOS Technology Endurance: 100,000 Cycles Data Retention: 10 Years • JEDEC Approved Byte-Wide Pinout • Commercial and Industrial Temperature Ranges Description The AT28BV64 is a low-voltage, low-power Electrically Erasable and Programmable Read Only Memory specifically designed for battery powered applications. Its 64K of memory is organized 8,192 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers access times to 200 ns with power dissipation less than 30 mW. When the device is deselected the standby current is less than 50 µA. The AT28BV64 is accessed like a Static RAM for the read or write cycles without the need for external components. During a byte write, the address and data are latched internally, freeing the microprocessor address and data bus for other operations. Fol- PLCC Top View TSOP Top View PDIP, SOIC Top View Pin Name Function A0 - A12 Addresses CE Chip Enable OE Output Enable WE Write Enable I/O0 - I/O7 Data Inputs/Outputs RDY/BUSY Ready/Busy Output NC No Connect DC Don’t Connect Pin Configurations 0493A AT28BV64 2-127 |
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