Rev: 1.01 7/2001

13/23

© 2000, Giga Semiconductor, Inc.

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

GS81032AT/Q-150/138/133/117/100/66

AC Electrical Characteristics

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.

Parameter

Symbol

-150

-138

-133

-117

-100

-66

Unit

Min Max Min Max Min Max Min Max Min Max Min Max

Pipeline

Clock Cycle Time

tKC

6.6

—

7.25

—

7.5

—

8.5

—

10

—

12.5

—

ns

Clock to Output Valid

tKQ

—

3.8

—

4

—

4

—

4.5

5

6

ns

Clock to Output Invalid

tKQX

1.5

—

2

—

2

—

2

—

2

—

2

—

ns

Clock to Output in Low-Z

1.5

—

2

—

2

—

2

—

2

—

2

—

ns

Flow-

Thru

Clock Cycle Time

tKC

10.5

—

15

—

15

—

15

—

15

—

20

—

ns

Clock to Output Valid

tKQ

—

9.0

—

9.7

—

10

—

11

12

18

ns

Clock to Output Invalid

tKQX

3

—

3

—

3

—

3

—

3

—

3

—

ns

Clock to Output in Low-Z

3

—

3

—

3

—

3

—

3

—

3

—

ns

Clock HIGH Time

tKH

1.8

—

1.9

—

1.9

—

2

—

3

—

4

—

ns

Clock LOW Time

tKL

1.8

—

1.9

—

1.9

—

2

—

3

—

4

—

ns

Clock to Output in High-Z

1.5

3.8

1.5

4

1.5

4

1.5

4

5

6

ns

G to Output Valid

tOE

—

3.8

—

4

—

4

—

4

5

6

ns

G to output in Low-Z

0

—

0

—

0

—

0

—

0

—

0

—

ns

G to output in High-Z

—

4

—

4

—

4

—

4

5

6

ns

Setup time

tS

1.7

—

2

—

2

—

2

—

2

—

2

—

ns

Hold time

tH

0.5

—

0.5

—

0.5

—

0.5

—

0.5

—

0.5

—

ns

ZZ setup time

5

—

5

—

5

—

5

—

5

—

5

—

ns

ZZ hold time

1

—

1

—

1

—

1

—

1

—

1

—

ns

ZZ recovery

tZZR

20

—

20

—

20

—

20

—

20

—

20

—

ns