BL93C46 datasheet(6/12 Pages) BELLING | The BL93C46 provides 1024 bits of serial electrically erasable programmable read only memory

Part No.	BL93C46

Description	The BL93C46 provides 1024 bits of serial electrically erasable programmable read only memory

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BL93C46

brought high after being kept low for a minimum of 250 ns (TCS). The ERAL instruction is valid only at VCC =

5.0V ± 10%.

WRITE ALL (WRAL): The Write All (WRAL) instruction programs all memory locations with the data patterns

specified in the instruction. The DO pin outputs the Ready/Busy status of the part if CS is brought high after

being kept low for a minimum of 250 ns (TCS). The WRAL instruction is valid only at VCC = 5.0V ± 10%.

ERASE/WRITE DISABLE (EWDS): To protect against accidental data disturb, the Erase/Write Disable

(EWDS) instruction disables all programming modes and should be executed after all programming

operations. The operation of the Read instruction is independent of both the EWEN and EWDS instructions

and can be executed at any time.

Timing Diagrams

BL93C46 Datasheet(PDF) 6 Page - SHANGHAI BELLING CO., LTD.