SPI bus 16Kbit Serial CMOS EEPROM

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The AK6508C is a 16384-bit, serial, read/write, non-volatile memory device fabricated using an advanced CMOS EEPROM technology.

The AK6508C has 16384-bits of memory organized as 2048 registers of 8 bits each.

The AK6508C can operate all function under wide operating voltage range: 1.6V to 5.5V. The charge up circuit for high voltage

generation needed for write operations is integrated.

The AK6508C serial interface is compatible to a SPI bus. The AK6508C has 6 instructions: READ, WRITE, WREN (write enable),

WRDI (write disable), RDSR (read status register), and WRSR (write status register).

Each instruction is organized by an op-code (8bits), address (16bits), and data (8bits). When input level of CSB pin changed from

high level to low level, AK6508C can receive instructions.

Key Features

□ Single Voltage Supply: 1.6V to 5.5V

□ 16Kbits; 2048 × 8 organization

□ SPI Serial Interface Compatible

□ High Speed Operation (fMAX=10MHz: VCC=4.5V to 5.5V)

□ Low Power Consumption

    0.8μA Max. (Standby mode)

□ High Reliability

    Endurance: 1000K E/W cycles / Address

    Data Retention: 10 Years

□ Special Features

    32 byte Page Write Mode

    Block Write Protection (Protect 1/4,1/2 or Entire Array)

    Automatic write cycle time-out with auto-ERASE

□ Software and Hardware controlled Write Protection

□ Self timed Programming Cycle: 5msec. Max.

□ 8pin TMSOP

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Block Diagram

Block Diagram

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