AC Electrical Characteristics

Parameter

Symbol

-357

-333

-300

-250

Unit

Notes

Min

Max

Min

Max

Min

Max

Min

Max

Clock Cycle Time

tKHKH

2.8

—

3.0

—

3.3

—

4.0

—

ns

—

Clock High Time

tKHKL

1.1

—

1.2

—

1.3

—

1.5

—

ns

—

Clock Low Time

tKLKH

1.1

—

1.2

—

1.3

—

1.5

—

ns

—

Clock High to Output Low-Z

tKHQX1

0.5

—

0.5

—

0.5

—

0.5

—

ns

1

Clock High to Output Valid

tKHQV

—

1.4

—

1.5

1.6

—

2.0

ns

—

Clock High to Output Invalid

tKHQX

0.5

—

0.5

—

0.5

—

0.5

—

ns

—

Clock High to Output High-Z

tKHQZ

—

1.4

—

1.5

1.6

—

2.0

ns

1

Address Valid to Clock High

tAVKH

0.5

—

0.6

—

0.7

—

0.8

—

ns

—

Clock High to Address Don’t Care

tKHAX

0.4

—

0.4

—

0.4

—

0.5

—

ns

—

Enable Valid to Clock High

tEVKH

0.5

—

0.6

—

0.7

—

0.8

—

ns

—

Clock High to Enable Don’t Care

tKHEX

0.4

—

0.4

—

0.4

—

0.5

—

ns

—

Write Valid to Clock High

tWVKH

0.5

—

0.6

—

0.7

—

0.8

—

ns

—

Clock High to Write Don’t Care

tKHWX

0.4

—

0.4

—

0.4

—

0.5

—

ns

—

Byte Write Valid to Clock High

tBVKH

0.5

—

0.6

—

0.7

—

0.8

—

ns

—

Clock High to Byte Write Don’t Care

tKHBX

0.4

—

0.4

—

0.4

—

0.5

—

ns

—

Data In Valid to Clock High

tDVKH

0.5

—

0.5

—

0.5

—

0.5

—

ns

—

Clock High to Data In Don’t Care

tKHDX

0.4

—

0.4

—

0.4

—

0.5

—

ns

—

Output Enable Low to Output Data Valid

tGLQV

—

1.4

—

1.5

1.6

—

2.0

ns

—

Output Enable Low to Output Data Low-Z

tGLQX

0

—

0

—

0

—

0

—

ns

—

Output Enable High to Output Data High-Z

tGHQZ

—

1.4

—

1.5

1.6

—

2.0

ns

—

Sleep Mode Enable Time

tZZE

—

15

—

15

—

15

—

15

ns

—

Sleep Mode Recovery Time

tZZR

20

—

20

—

20

—

20

—

ns

—

Notes:

1. Measured at 100 mV from steady state. Not 100% tested.

2. Guaranteed by design. Not 100% tested.

GS815018/36AB-357/333/300/250

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

Rev: 1.05 10/2005

11/25

© 2003, GSI Technology