23C256 Просмотр технического описания (PDF) - NEC => Renesas Technology

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23C256

NAND INTERFACE 256M-BIT MASK-PROGRAMMABLE ROM

NEC => Renesas Technology 

µPD23C256112A

Status Read

Status information can be output from the I/O pins with the /RE clock following input of the 70H command. Status

read is a function to recognize the status of the device from external.

CLE

/CE

/WE

/RE

I/O0 to I/O7

R, /B

tCLS

tCLH

tCLS

tCS

tCH

tWP

tWHC

tDS tDH

70H

tCSTO

tWHR

tIR

High-Z

Ready

tCHZ

tRHZ

Status

High-Z

tRSTO

Status

I/O0

Ready / Busy

I/O1

Not used

I/O2

Not used

I/O3

Not used

I/O4

Not used

I/O5

Not used

I/O6

Ready / Busy

I/O7

Write protect

Note Use the status read command only during Ready.

Status output data Note

0/1

0

0

0

0

0

1/0

0

Data Sheet M15902EJ2V0DS

21

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