AK6416AM 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK6416AM

16Kbit Serial CMOS EEPROM

Asahi Kasei Microdevices 

ASAHI KASEI

[AK6416A]

Read

The read instruction is the only instruction which outputs serial data on the DO pin. When the 17th falling

edge of SK is received , the DO pin will come out of high impedance state and shift out the data from D15 first

in descending order which is located at the address specified in the instruction.

The data in the next address can be read sequentially by continuing to provide clock. The address

automatically cycles to the next higher address after the 16bit data shifted out. When the highest address is

reached ($3FF), the address counter rolls over to address $000 allowing the read cycle to be continued

indefinitely.

READ

WREN / WRDS ( Write Enable and Write Disable )

When Vcc is applied to the part, it powers up in the programming disable (WRDS) state. Programming must

be preceded by a programming enable (WREN) instruction. Programming remains enabled until a

programming disable (WRDS) instruction is executed or Vcc is removed from the part. The programming

disable instruction is provided to protect against accidental data disturb. Execution of a read instruction is not

affected by both WREN and WRDS instructions.

WREN/WRDS

DAS02E-00

-6-

1999/05

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