10

X9221

Limits

Reference

Symbol

Parameter

Min.

Max.

Units

Figure

SCL Clock Frequency

0

100

KHz

10

Clock LOW Period

4700

ns

10

Clock HIGH Period

4000

ns

10

SCL and SDA Rise Time

1000

ns

10

SCL and SDA Fall Time

300

ns

10

Ti

Noise Suppression Time Constant

100

ns

10

(Glitch Filter)

Start Condition Setup Time (for a Repeated

4700

ns

10 & 12

Start Condition)

Start Condition Hold Time

4000

ns

10 & 12

Data in Setup Time

250

ns

10

Data in Hold Time

0

ns

10

SCL LOW to SDA Data Out Valid

300

3500

ns

11

Data Out Hold Time

300

ns

11

Stop Condition Setup Time

4700

ns

10 & 12

Bus Free Time Prior to New Transmission

4700

ns

10

Write Cycle Time (Nonvolatile Write Operation)

10

ms

13

Wiper Response Time From Stop Generation

1000

µs13

Wiper Response From SCL LOW

500

µs6

0.2

50

mV/

µs

3079 PGM T10.3

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

Figure 10. Input Bus Timing

3079 ILL F03

tHIGH

tSU:STA

tHD:STA

tHD:DAT

tSU:DAT

tLOW

tF

tSU:STO

tR

tBUF

SCL

SDA

(DATA IN)