X28C010, X28HT010

FN8105 Rev 1.00

Page 12 of 20

February 12, 2007

Read Cycle

NOTE:

4. tLZ min.,tHZ, tOLZ min., and tOHZ are periodically sampled and not 100% tested. tHZ max. and tOHZ max. are measured, with CL = 5pF, from the point

when CE or OE return HIGH (whichever occurs first) to the time when the outputs are no longer driven.

tCE

tRC

Address

CE

OE

WE

Data Valid

tOE

tLZ

tOLZ

tOH

tAA

tHZ

tOHZ

Data I/O

VIH

HIGH Z

Data Valid

Write Cycle Limits

SYMBOL

PARAMETER

MIN

MAX

UNIT

tWC (Note 5) Write cycle time

10

ms

tAS

Address setup time

0

ns

tAH

Address hold time

50

ns

tCS

Write setup time

0

ns

tCH

Write hold time

0

ns

tCW

CE pulse width

100

ns

tOES

OE HIGH setup time

10

ns

tOEH

OE HIGH hold time

10

ns

tWP

WE pulse width

100

ns

tWPH

WE HIGH recovery

100

ns

tDV

Data valid

1µs

tDS

Data setup

50

ns

tDH

Data hold

0

ns

tDW

Delay to next write

10

µs

tBLC

Byte load cycle

0.2

100

µs