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White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

White Electronic Designs

WSF128K32-XH2X

October 2004

Rev. 4

White Electronic Designs Corp. reserves the right to change products or specifications without notice.

PRELIMINARY

FLASH AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS, FCS# CONTROLLED

Parameter

Symbol

-70

-90

-120

Unit

Min

Max

Min

Max

Min

Max

Write Cycle Time

70

90

120

ns

FWE# Setup Time

000

ns

FCS# Pulse Width

35

45

50

ns

Address Setup Time

000

ns

Data Setup Time

30

45

50

ns

Data Hold Time

000

ns

Address Hold Time

45

45

50

ns

FWE# Hold from FWE# High

000

ns

FCS# Pulse Width High

20

20

20

ns

Duration of Programming Operation

14

14

14

µs

Duration of Erase Operation

2.2

60

2.2

60

2.2

60

sec

Read Recovery before Write

000

ns

Chip Programming Time

12.5

12.5

12.5

sec