S71PL254 datasheet(104/196 Pages) SPANSION

104 / 196 page

104

Type 2 pSRAM

pSRAM_Type02_15A0 May 3, 2004

Advance

I n f o rmation

ACC Characteristics (Ta = -40°C to 85°C, VCC = 2.7 to 3.1 V)

Notes:

1. tWP (min)=70ns for continuous write operation over 50 times.

Symbol

Parameter

Speed Bins

Unit

70ns

Min

Max

tRC

Read Cycle Time

—

tAA

Address Access Time

—

tCO

Chip Select to Output

—

tOE

Output Enable to Valid Output

—

tBA

UB#, LB# Access Time

—

tLZ

Chip Select to Low-Z Output

—

tBLZ

UB#, LB# Enable to Low-Z Output

—

tOLZ

Output Enable to Low-Z Output

—

tHZ

Chip Disable to High-Z Output

tBHZ

UB#, LB# Disable to High-Z Output

tOHZ

Output Disable to High-Z Output

tOH

Output Hold from Address Change

—

tPC

Page Cycle Time

—

tPA

Page Access Time

—

tWC

Write Cycle Time

—

tCW

Chip Select to End of Write

—

tAS

Address Set-up Time

—

tAW

Address Valid to End of Write

—

tBW

UB#, LB# Valid to End of Write

—

tWP

Write Pulse Width

55 (Note 1)

—

tWR

Write Recovery Time

—

tWHZ

Write to Output High-Z

tDW

Data to Write Time Overlap

—

tDH

Data Hold from Write Time

—

tOW

End Write to Output Low-Z

—

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