IS61LV2568 데이터 시트보기 (PDF) - Integrated Circuit Solution Inc

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IS61LV2568

256K x 8 HIGH-SPEED CMOS STATIC RAM

Integrated Circuit Solution Inc 

IS61LV2568

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

Symbol

tRC

tAA

tOHA

tACE

tDOE

tLZOE 

tHZOE 

tLZCE 

tHZCE 

Parameter

Read Cycle Time

Address Access Time

Output Hold Time

CE Access Time

OE Access Time

OE to Low-Z Output

OE to High-Z Output

CE to Low-Z Output

CE to High-Z Output

-8 ns

-10 ns

-12 ns

-15 ns

Min. Max. Min. Max. Min. Max. Min. Max. Unit

8 — 10 — 12 — 15 — ns

— 8 — 10 — 12 — 15 ns

3 — 3 — 3 — 3 — ns

— 8 — 10 — 12 — 15 ns

— 3 — 4 — 5 — 6 ns

0 — 0 — 0 — 0 — ns

0 3 0 4 0 5 0 6 ns

3 — 3 — 3 — 3 — ns

0 3 0 4 0 5 0 6 ns

Notes:

1. Test conditions assume signal transition times of 3 ns or less, timing reference levels of 1.5V,

input pulse levels of 0 to 3.0V and output loading specified in Figure 1.

2. Tested with the load in Figure 2. Transition is measured ±200 mV from steady-state voltage. Not

100% tested.

AC TEST CONDITIONS

Parameter

Input Pulse Level

Input Rise and Fall Times

Input and Output Timing

and Reference Levels

Output Load

Unit

0V to 3.0V

3 ns

1.5V

See Figures 1 and 2

Notes:

1. The Vcc operating range for 8 ns is 3.3V +10%, -5%.

AC TEST LOADS

3.3V

319 Ω

OUTPUT

30 pF

Including

jig and

scope

Figure 1.

4

353 Ω

3.3V

319 Ω

OUTPUT

5 pF

Including

jig and

scope

353 Ω

Figure 2.

Integrated Circuit Solution, Inc.

SR026-0C

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