32

Am29SL400D

Rev. A Amend. +1 April 13, 2005

ADV ANCE

I N FO RMAT I O N

AC CHARACTERISTICS

WE#

CE#

OE#

High Z

High Z

DQ7

DQ0–DQ6

RY/BY#

Complement

True

Addresses

VA

VA

VA

Status Data

Complement

Status Data

True

Valid Data

Valid Data

Note: VA = Valid address. Illustration shows first status cycle after command sequence, last status read cycle, and array data read cycle.

Figure 19.

Data# Polling Timings (During Embedded Algorithms)

WE#

CE#

OE#

High Z

DQ6/DQ2

RY/BY#

Addresses

VA

VA

VA

Valid Data

Valid Status

Valid Status

(first read)

(second read)

(stops toggling)

Valid Status

VA

Note: VA = Valid address; not required for DQ6. Illustration shows first two status cycle after command sequence, last status

read cycle, and array data read cycle.

Figure 20.

Toggle Bit Timings (During Embedded Algorithms)