GS881E18BGD-150T データシートの表示（PDF） - Giga Semiconductor

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GS881E18BGD-150T

512K x 18, 256K x 32, 256K x 36 9Mb Sync Burst SRAMs

Giga Semiconductor 

GS881E18B(T/D)/GS881E32B(T/D)/GS881E36B(T/D)

AC Electrical Characteristics

Parameter

Symbol

-333

-300

-250

-200

-150

Unit

Min Max Min Max Min Max Min Max Min Max

Pipeline

Flow

Through

Clock Cycle Time

Clock to Output Valid

Clock to Output Invalid

Clock to Output in Low-Z

Setup time

Hold time

Clock Cycle Time

Clock to Output Valid

Clock to Output Invalid

Clock to Output in Low-Z

Setup time

Hold time

tKC

3.0

—

3.3

—

4.0

—

5.0

—

6.7

—

ns

tKQ

—

2.5

—

2.5

—

2.5

—

3.0 — 3.8

ns

tKQX

1.5

—

1.5

—

1.5

—

1.5

—

1.5

—

ns

tLZ1

1.5

—

1.5

—

1.5

—

1.5

—

1.5

—

ns

tS

1.0

—

1.0

—

1.2

—

1.4

—

1.5

—

ns

tH

0.1

—

0.1

—

0.2

—

0.4

—

0.5

—

ns

tKC

4.5

—

5.0

—

5.5

—

6.5

—

7.5

—

ns

tKQ

—

4.5

—

5.0

—

5.5

—

6.5 — 7.5

ns

tKQX

2.0

—

2.0

—

2.0

—

2.0

—

2.0

—

ns

tLZ1

2.0

—

2.0

—

2.0

—

2.0

—

2.0

—

ns

tS

1.3

—

1.4

—

1.5

—

1.5

—

1.5

—

ns

tH

0.3

—

0.4

—

0.5

—

0.5

—

0.5

—

ns

Clock HIGH Time

tKH

1.0

—

1.0

—

1.3

—

1.3

—

1.5

—

ns

Clock LOW Time

tKL

1.2

—

1.2

—

1.5

—

1.5

—

1.7

—

ns

Clock to Output in

High-Z

tHZ1

1.5

2.5

1.5

2.5

1.5

2.5

1.5

3.0 1.5 3.0

ns

G to Output Valid

tOE

—

2.5

—

2.5

—

2.5

—

3.0 — 3.8

ns

G to output in Low-Z

G to output in High-Z

ZZ setup time

ZZ hold time

tOLZ1

tOHZ1

tZZS2

tZZH2

0

—

0

—

0

—

0

—

0

—

ns

—

2.5

—

2.5

—

2.5

—

3.0 — 3.8

ns

5

—

5

—

5

—

5

—

5

—

ns

1

—

1

—

1

—

1

—

1

—

ns

ZZ recovery

tZZR

20

—

20

—

20

—

20

—

20

—

ns

Notes:

1. These parameters are sampled and are not 100% tested.

2. ZZ is an asynchronous signal. However, in order to be recognized on any given clock cycle, ZZ must meet the specified setup and hold

times as specified above.

Rev: 1.04 3/2005

21/40

Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.

© 2002, GSI Technology

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