 2014 Microchip Technology Inc.

DS20005265A-page 3

25LC512

TABLE 1-2:

AC CHARACTERISTICS

AC CHARACTERISTICS

Extended (M):

Param.

No.

Sym.

Characteristic

Min.

Max.

Units

Conditions

Clock frequency

—

10

MHz

—

CS setup time

50

—

ns

—

CS hold time

100

—

ns

—

CS disable time

50

—

ns

—

5

Tsu

Data setup time

10

—

ns

—

Data hold time

20

—

ns

—

CLK rise time

—

20

ns

(Note 1)

CLK fall time

—

20

ns

(Note 1)

Clock high time

50

—

ns

—

10

Clock low time

50

—

ns

—

11

Clock delay time

50

—

ns

—

12

Clock enable time

50

—

ns

—

13

Output valid from clock low

—

50

ns

—

14

Output hold time

0

—

ns

(Note 1)

15

Output disable time

—

50

ns

—

16

HOLD setup time

20

—

ns

—

17

HOLD hold time

20

—

ns

—

18

HOLD low to output

High-Z

30

—

ns

(Note 1)

19

HOLD high to output valid

30

—

ns

—

20

CS High to Standby mode

—

100

s—

21

CS High to Deep power-

down

—100

s—

22

Chip erase cycle time

—

10

ms

—

23

Sector erase cycle time

—

10

ms

—

24

Internal write cycle time

—

5

ms

Byte or Page mode and Page

Erase

25

—

Endurance

1M

—

E/W

Cycles

Page mode, 25°C, 5.5V (Note 2)

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

2: This parameter is not tested but established by characterization and qualification. For endurance

estimates in a specific application, please consult the Total Endurance™ Model, which can be obtained

from Microchip’s web site at www.microchip.com.