X9241A

Characteristics subject to change without notice.

13 of 18

REV 1.1.13 12/09/02

www.xicor.com

A.C. CHARACTERISTICS (Over recommended operating conditions unless otherwise stated.)

Figure 10. Input Bus Timing

Figure 11. Output Bus Timing

Symbol

Parameter

Limits

Unit

Reference

Figure

Min.

Max.

(5)

SCL clock frequency

0

100

kHz

10

(5)

Clock LOW period

4700

ns

10

(5)

Clock HIGH period

4000

ns

10

(5)

SCL and SDA rise time

1000

ns

10

(5)

SCL and SDA fall time

300

ns

10

(5)(9)

Noise suppression time constant (glitch filter)

20

ns

10

(5)

Start condition setup time (for a repeated start condition)

4700

ns

10 & 12

(5)

Start condition hold time

4000

ns

10 & 12

(5)

Data in setup time

250

ns

10

(5)

Data in hold time

0

ns

10

(5)

SCL LOW to SDA data out valid

3500

ns

11

(5)

Data out hold time

50

ns

11

(5)

Stop condition setup time

4700

ns

10 & 12

(5)

Bus free time prior to new transmission

4700

ns

10

(5)

Write cycle time (nonvolatile write operation)

10

ms

13

(5)

Wiper response time from stop generation

500

µs

13

(5)

Wiper response from SCL LOW

1000

µs

6

0.2

50

mV/µs

SCL

SDA

(Data in)

SCL

SDA