 2004 Microchip Technology Inc.

DS21712B-page 3

93LC46/56/66

AC CHARACTERISTICS

FIGURE 1-1:

SYNCHRONOUS DATA TIMING

AC CHARACTERISTICS

Param.

No.

Sym

Characteristic

Min

Typ

Max

Units

Conditions

Clock frequency

—

—

—

—

2

1

MHz

MHz

≥ 4.5V

< 4.5V

Clock high time

250

—

—

ns

Clock low time

250

—

—

ns

Chip select setup time

50

—

—

ns

Relative to CLK

Chip select hold time

0

—

—

ns

Relative to CLK

Chip select low time

250

—

—

ns

Data input setup time

100

—

—

ns

Relative to CLK

Data input hold time

100

—

—

ns

Relative to CLK

Data output delay time

—

—

400

ns

CL = 100 pF

10

Data output disable time

—

—

100

ns

CL = 100 pf (Note 2)

11

Status valid time

—

—

500

ns

CL = 100 pF

12

Program cycle time

—

4

10

ms

Erase/Write mode

13

—

8

15

ms

14

—

16

30

ms

15

—

Endurance

1M

—

1M

cycles

mode (Note 3)

Note 1:

2:

This parameter is periodically sampled and not 100% tested.

3:

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

at: www.microchip.com.

CS

CLK

DI

DO

(Read)

DO

(Write)

4

7

2

3

8

9

5

9

10

Status Valid

11

10