January 23, 2007 Am29SL400C_00_A6

Am29SL400C

33

D A TA

SH EE T

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)