CAT25640

© Catalyst Semiconductor, Inc.

3

Doc. No. MD-1128 Rev. B

Characteristics subject to change without notice

A.C. CHARACTERISTICS

(1)

Symbol

Parameter

Min.

Max.

Min.

Max.

Units

Clock Frequency

DC

5

DC

10

MHz

Data Setup Time

40

20

ns

Data Hold Time

40

20

ns

SCK High Time

80

40

ns

SCK Low Time

80

40

ns

HOLD

¯¯¯¯¯ to Output Low Z

50

25

ns

(2)

Input Rise Time

2

2

µs

(2)

Input Fall Time

2

2

µs

HOLD

¯¯¯¯¯ Setup Time

0

0

ns

HOLD

¯¯¯¯¯ Hold Time

10

10

ns

Output Valid from Clock Low

75

40

ns

Output Hold Time

0

0

ns

Output Disable Time

50

20

ns

HOLD

¯¯¯¯¯ to Output High Z

100

25

ns

CS

¯¯ High Time

50

15

ns

CS

¯¯ Setup Time

50

15

ns

CS

¯¯ Hold Time

50

15

ns

WP

¯¯¯ Setup Time

10

10

ns

WP

¯¯¯ Hold Time

10

10

ns

(4)

Write Cycle Time

5

5

ms

Power-Up Timing

(2)(3)

Symbol

Parameter

Max.

Units

Power-up to Read Operation

1

ms

Power-up to Write Operation

1

ms

Notes:

(1) AC Test Conditions:

Input rise and fall times: ≤ 10ns

(2) This parameter is tested initially and after a design or process change that affects the parameter.

¯¯ after a valid write sequence to the end of the internal write cycle.