IC62LV2568L Просмотр технического описания (PDF) - Integrated Circuit Solution Inc

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IC62LV2568L

256K x 8 LOW POWER and LOW Vcc CMOS STATIC RAM

Integrated Circuit Solution Inc 

IC62LV2568L

IC62LV2568LL

READ CYCLE SWITCHING CHARACTERISTICS(1) (Over Operating Range)

Symbol Parameter

tRC Read Cycle Time

tAA Address Access Time

tOHA Output Hold Time

tACE1 CE1 Access Time

tACE2 CE2 Access Time

tDOE OE Access Time

tLZOE(2) OE to Low-Z Output

tHZOE(2) OE to High-Z Output

tLZCE1(2) CE1 to Low-Z Output

tLZCE2(2) CE2 to Low-Z Output

tHZCE(2) CE1 or CE2 to Low-Z Output

-55

-70

-100

Min. Max.

Min. Max.

Min. Max.

Unit

55 —

70 —

100 —

ns

— 55

— 70

— 100

ns

10 —

10 —

15 —

ns

— 55

— 70

— 100

ns

— 55

— 70

— 100

ns

— 30

— 35

— 50

ns

5—

5—

5—

ns

— 20

0 25

0 30

ns

10 —

10 —

10 —

ns

10 —

10 —

10 —

ns

0 20

0 25

0 30

ns

Notes:

1. Test conditions assume signal transition times of 5 ns or less, timing reference levels of 1.5V, input pulse levels

of 0.4V to 2.2V and output loading specified in .igure 1.

2. Tested with the load in .igure 2. Transition is measured ±500 mV from steady-state voltage. Not 100% tested.

AC TEST CONDITIONS

Parameter

Input Pulse Level

Input Rise and .all Times

Input and Output Timing

and Reference Level

Output Load

Unit

0.4V to 2.2V

5 ns

1.5V

See .igures 1 and 2

AC TEST LOADS

OUTPUT

1 TTL

100 pF

Including

jig and

scope

.igure 1

OUTPUT

1 TTL

5 pF

Including

jig and

scope

.igure 2

Integrated Circuit Solution Inc.

5

LPSR001-0A 05/01/2001

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