A.C. Characteristics

Ta=0

Symbol

Parameter

Remark

Unit

Min.

Max.

Min.

Max.

Clock Frequency

—

100

—

400

kHz

Clock High Time

4000

—

600

—

ns

Clock Low Time

4700

—

1200

—

ns

SDA and SCL Rise Time

Note

—

1000

—

300

ns

SDA and SCL Fall Time

Note

—

300

—

300

ns

START Condition Hold

Time

After this period

the first clock pulse

is generated

4000

—

600

—

ns

START Condition

Setup Time

Only relevant for

repeated START

condition

4000

—

600

—

ns

Data Input Hold Time

0

—

0

—

ns

Data Input Setup Time

200

—

100

—

ns

STOP Condition Setup

Time

4000

—

600

—

ns

Output Valid from

Clock

—

3500

—

900

ns

Bus Free Time

Time in which the

bus must be free

before a new

transmission can

start

4700

—

1200

—

ns

Input Filter Time

Constant (SDA and SCL

Pins)

Noise suppression

time

—100

—

50

ns

Write Cycle Time

—

5

—

5

ms

Notes: These parameters are periodically sampled but not 100% tested

For relative timing, refer to timing diagrams

HT24LC01/02

3

6th May ’99