AM29F040B-120EE View Datasheet(PDF) - Advanced Micro Devices

Part Name

Description

Manufacturer

AM29F040B-120EE

4 Megabit (512 K x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory

Advanced Micro Devices 

AC CHARACTERISTICS

PRELIMINARY

Addresses

CE#

OE#

WE#

DQ7

DQ0–DQ6

tRC

VA

tACC

tCE

tCH

tOEH

tOE

tDF

tOH

Complement

Status Data

VA

Complement True

Status Data True

VA

Valid Data

Valid Data

High Z

High Z

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

read cycle .

21445B-16

Figure 11. Data# Polling Timings (During Embedded Algorithms)

Addresses

CE#

OE#

WE#

DQ6/DQ2

tRC

VA

tACC

tCE

tCH

tOE

tOEH

tDF

High Z

tOH

Valid Status

(first read)

VA

Valid Status

(second read)

VA

VA

Valid Status

(stops toggling)

Valid Data

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.

21445B-17

Figure 12. Toggle Bit Timings (During Embedded Algorithms)

Am29F040B

23

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