25LCXXX

DS22131C-page 4

Preliminary

© 2009 Microchip Technology Inc.

TABLE 1-2:

AC CHARACTERISTICS

AC CHARACTERISTICS

Extended (H):

Param.

No.

Sym.

Characteristic

Min.

Max.

Units

Test Conditions

Clock Frequency

—

—

5

3

MHz

MHz

4.5V

≤ Vcc ≤ 5.5V

2.5V

≤ Vcc < 4.5V

CS Setup Time

100

150

—

—

ns

ns

4.5V

≤ Vcc ≤ 5.5V

2.5V

≤ Vcc < 4.5V

CS Hold Time

200

250

—

—

ns

ns

4.5V

≤ Vcc ≤ 5.5V

2.5V

≤ Vcc < 4.5V

CS Disable Time

50

—

ns

—

5

Tsu

Data Setup Time

20

30

—

—

ns

ns

4.5V

≤ Vcc ≤ 5.5V

2.5V

≤ Vcc < 4.5V

Data Hold Time

40

50

—

—

ns

ns

4.5V

≤ Vcc ≤ 5.5V

2.5V

≤ Vcc < 4.5V

CLK Rise Time

—

2

μs

(Note 1)

CLK Fall Time

—

2

μs

(Note 1)

Clock High Time

100

150

—

—

ns

ns

4.5V

≤ Vcc ≤ 5.5V

2.5V

≤ Vcc < 4.5V

10

Clock Low Time

100

150

—

—

ns

ns

4.5V

≤ Vcc ≤ 5.5V

2.5V

≤ Vcc < 4.5V

11

Clock Delay Time

50

—

ns

—

12

Clock Enable Time

50

—

ns

—

13

Output Valid from Clock

Low

—

—

100

160

ns

ns

4.5V

≤ Vcc ≤ 5.5V

2.5V

≤ Vcc < 4.5V

14

Output Hold Time

0

—

ns

(Note 1)

15

Output Disable Time

—

—

80

160

ns

ns

4.5V

≤ Vcc ≤ 5.5V(Note 1)

2.5V

≤ Vcc ≤ 4.5V(Note 1)

16

HOLD Setup Time

40

80

—

—

ns

ns

4.5V

≤ Vcc ≤ 5.5V

2.5V

≤ Vcc < 4.5V

17

HOLD Hold Time

40

80

—

—

ns

ns

4.5V

≤ Vcc ≤ 5.5V

2.5V

≤ Vcc < 4.5V

18

HOLD Low to Output

High-Z

60

160

—

—

ns

ns

4.5V

≤ Vcc ≤ 5.5V(Note 1)

2.5V

≤ Vcc < 4.5V(Note 1)

19

HOLD High to Output

Valid

60

160

—

—

ns

ns

4.5V

≤ Vcc ≤ 5.5V

2.5V

≤ Vcc < 4.5V

20

Internal Write Cycle Time

—

6

ms

(Note 2)

21

—

Endurance

1,000,000

—

E/W

Cycles

Note 1: This parameter is periodically sampled and not 100% tested.

is complete.

3: This parameter is not tested but ensured by characterization. For endurance estimates in a specific

application, please consult the Total Endurance™ Model which can be obtained from our web site:

www.microchip.com.