CAT34RC02

3

Doc No. 1052, Rev. K

Write Cycle Limits

Symbol

Parameter

Min

Typ

Max

Units

Write Cycle Time

5

ms

A.C. CHARACTERISTICS

Read & Write Cycle Limits

Symbol

Parameter

1.7 V - 5.5 V

2.5 V - 5.5 V

Min

Max

Min

Max

Units

Clock Frequency

100

400

kHz

Noise Suppression Time

100

100

ns

Constant at SCL, SDA Inputs

SCL Low to SDA Data Out

3.5

0.9

µs

and ACK Out

Time the Bus Must be Free Before

4.7

1.3

µs

a New Transmission Can Start

Start Condition Hold Time

4

0.6

µs

Clock Low Period

4.7

1.3

µs

Clock High Period

4

0.6

µs

Start Condition Setup Time

4.7

0.6

µs

(for a Repeated Start Condition)

Data In Hold Time

0

0

ns

Data In Setup Time

250

100

ns

SDA and SCL Rise Time

1

0.3

µs

SDA and SCL Fall Time

300

300

ns

Stop Condition Setup Time

4

0.6

µs

Data Out Hold Time

100

100

ns

Note:

(1) This parameter is tested initially and after a design or process change that affects the parameter.

Symbol

Parameter

Min

Typ

Max

Units

Power-up to Read Operation

1

ms

Power-up to Write Operation

1

ms

The write cycle time is the time elapsed between the

STOP command (following the write instruction) and the

completion of the internal write cycle. During the internal

write cycle, SDA is released by the Slave and the device

does not acknowledge external commands.