6

Integrated Silicon Solution, Inc. — www.issi.com

Rev. A

09/29/2011

IS61/64WV25616EDBLL

-8

-10

-20

Symbol

Parameter

Min. Max.

Min. Max.

Min. Max.

Unit

ReadCycleTime

8—

10—

20—

ns

AddressAccessTime

—8

—10

—20

ns

OutputHoldTime

2.0—

2.0—

2.5—

ns

CE

AccessTime

—8

—10

—20

ns

OE

AccessTime

—4.5

—4.5

—8

ns

OE

toHigh-ZOutput

—3

—4

08

ns

OE

toLow-ZOutput

0—

0—

0—

ns

CE

toHigh-ZOutput

03

04

08

ns

CE

toLow-ZOutput

3—

3—

3—

ns

LB

,UBAccessTime

—5.5

—6.5

—8

ns

LB

,UBtoHigh-ZOutput

03

03

08

ns

LB

,UBtoLow-ZOutput

0—

0—

0—

ns

PowerUpTime

0—

0—

0—

ns

PowerDownTime

—8

—10

—20

ns

Notes:

1. TestconditionsandoutputloadingconditionsarespecifiedintheACTestConditionsandACTestLoads(Figure1).

2. TestedwiththeloadinFigure2.Transitionismeasured±500mVfromsteady-statevoltage.

AC TEST LOADS

Figure 1.

319

Ω

5 pF

Including

jig and

scope

353

Ω

OUTPUT

3.3V

Figure 2.

Ω

1.5V

50

Ω

OUTPUT

30 pF

Including

jig and

scope

AC TEST CONDITIONS

Parameter

Unit

(2.4V-3.6V)

InputPulseLevel

InputRiseandFallTimes

1V/ns

InputandOutputTiming

OutputLoad

SeeFigures1and2