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

White Electronic Designs

W764M32V-XSBX

March 2006

Rev. 2

ADVANCED*

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

AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS – WE# CONTROLLED

Parameter

Symbol

-100

-120

Unit

Min

Max

Min

Max

Write Cycle Time (3)

100

120

ns

Chip Select Setup Time (3)

00

ns

Write Enable Pulse Width

35

50

ns

Address Setup Time

00

ns

Data Setup Time

45

50

ns

Data Hold Time

00

ns

Address Hold Time

45

50

ns

Write Enable Pulse Width High (3)

30

30

ns

Duration of Byte Programming Operation (1)

500

500

µs

Sector Erase (2)

3.5

5

sec

Read Recovery Time before Write (3)

00

ns

VCC Setup Time

50

50

µs

Address Setup Time to OE# low during toggle bit

polling

15

15

ns

Write Recovery Time from RY/BY# (3)

00

ns

Program/Erase Valid to RY/BY#

90

90

ns

NOTES:

1.

2.

3.

Guaranteed by design, but not tested.

AC CHARACTERISTICS – READ-ONLY OPERATIONS

Parameter

Symbol

-100

-120

Unit

Min

Max

Min

Max

Read Cycle Time (1)

100

120

ns

Address Access Time

100

120

ns

Chip Select Access Time

100

120

ns

Page Access Time

25

30

ns

Output Enable to Output Valid

25

35

ns

Chip Select High to Output High Z

20

20

ns

Output Enable High to Output High Z

20

20

ns

Output Hold from Addresses, CS# or OE# Change,

Whichever occurs first

00

ns

Output Enable Hold Time (1)

Read

0

0

ns

Toggle and

Data# Polling

10

10

ns

1.

Guaranteed by design, not tested.