EM742SP16 datasheet(5/10 Pages) EMLSI

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EM742SP16

256Kx16 Multiplexed STRAM

AC OPERATING CONDITIONS

Test Conditions (Test Load and Test Input/Output Reference)

Input Pulse Level : 0.2V to VCCQ-0.2V

Input Rise and Fall Time : 5ns

Input and Output reference Voltage : VCCQ/2

Output Load (See right) : CL1) = 30pF

1. Including scope and Jig capacitance

CL1)

Parameter List

Symbol

Speed

Unit

Min

Max

Common

AVD Low pulse

tAVD

1000

Address setup to AVD rising edge

tAVDS

Address hold from AVD rising edge

tAVDH

Chip enable setup to AVD rising edge

tCSS

Read

AVD low to data valid time

tACC1

Address access time

tACC2

Chip enable to data output

tACC3

Address disable to output enable

tADOE

Output enable to valid output

tOE

UB, LB enable to data output

tUBLBA

UB, LB enable to low-Z output

tBLZ

Output enable to low-Z output

tOLZ

Chip disable to high-Z output

tHZ

UB, LB disable to high-Z output

tBHZ

Output disable to high-Z output

tOHZ

Write

AVD low to end of write

tACW1

Address valid to end of write

tACW2

Chip enable to end of write

tACW3

Write pulse low

tWRL

UB, LB valid to end of write

tBW

Data to write time overlap

tDW

Data hold from write time

tDH

AC CHARACTERISTICS (Vcc = 1.7 to 1.9V, Gnd = 0V, TA = -25C to +85oC)

Dout

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