MITSUBISHI LSIs

16,777,216-BIT (2097,152-WORD BY 8-BIT / 1048,576-WORD BY16-BIT)

CMOS 3.3V-ONLY, BLOCK ERASE FLASH MEMORY

M5M29GB/T160BVP-80

Sep 1999. Rev2.0

7

*The RY/BY# is an open drain output pin and indicates status of the internal WSM. When low,it indicates that the WSM is Busy performing an operation.

A pull-up resistor of 10K-100K Ohms is required to allow the RY/BY# signal to transition high indicating a Ready WSM condition.

BUS OPERATIONS

Bus Operations for Word-Wide Mode

1)

Mode

Array

Status Register

Identifier Code

Stand by

Program

Erase

Write

Read

Pins

CE#

OE#

WE#

X

X

Data out

Status Register Data

Identifier Code

Hi-Z

Hi-Z

Command/Data in

Command

Output disable

Deep Power Down

Others

RP#

RY/BY#

X

X

X

X

X

X

X

X

Hi-Z

X

Command

2)

Lock Bit Status

Bus Operations for Byte-Wide Mode

1)

Mode

Array

Status Register

Identifier Code

Stand by

Program

Erase

Write

Read

Pins

CE#

OE#

WE#

X

X

Data out

Status Register Data

Identifier Code

Hi-Z

Hi-Z

Command/Data in

Command

Output disable

Deep Power Down

Others

RP#

RY/BY#

X

X

X

X

X

X

X

X

Hi-Z

X

Command

2)

Lock Bit Status

X