25XX080A/B

DS21808B-page 4

 2003 Microchip Technology Inc.

TABLE 1-3:

AC TEST CONDITIONS

17

T

HH

HOLD Hold Time

20

40

80

—

—

—

ns

ns

ns

4.5V

2.5V

1.8V

18

T

HZ

HOLD Low to Output

High-Z

30

60

160

—

—

—

ns

ns

ns

4.5V

2.5V

1.8V

19

T

HV

HOLD High to Output

Valid

30

60

160

—

—

—

ns

ns

ns

4.5V

2.5V

1.8V

20

T

WC

Internal Write Cycle Time

—

5

ms

(Note 3)

21

—

Endurance

1,000,000

—

E/W

Cycles

(Note 2)

TABLE 1-2:

AC CHARACTERISTICS (CONTINUED)

AC CHARACTERISTICS

Industrial (I):

T

V

Automotive (E): T

V

Param.

No.

Sym.

Characteristic

Min.

Max.

Units

Test Conditions

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

2: 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.

3: T

is complete.

AC Waveform:

V

—

V

(Note 1)

V

(Note 2)

Timing Measurement Reference Level

Input

0.5 V

CC

Output

0.5 V

CC

Note 1: For V

CC

≤ 4.0V

2: For V