CAT5241

Doc. No. MD-2011 Rev. O

4

© Catalyst Semiconductor, Inc.

Characteristics subject to change without notice

D.C. OPERATING CHARACTERISTICS

Over recommended operating conditions unless otherwise stated.

Symbol Parameter

Test Conditions

Min

Typ

Max

Units

Power Supply Current

1

mA

(2)

1

µA

Input Leakage Current

10

µA

Output Leakage Current

10

µA

Input Low Voltage

-1

V

Input High Voltage

V

0.4

V

CAPACITANCE

Symbol

Parameter

Test Conditions

Min

Typ

Max

Units

(1)

Input/Output Capacitance (SDA)

8

pF

(1)

Input Capacitance (A0, A1, A2, A3, SCL)

6

pF

A.C. CHARACTERISTICS

Over recommended operating conditions unless otherwise stated.

Symbol

Parameter

Min

Typ

Max

Units

Clock Frequency

400

kHz

(1)

Noise Suppression Time Constant at SCL, SDA Inputs

50

ns

SLC Low to SDA Data Out and ACK Out

0.9

µs

(1)

Time the Bus Must Be Free Before a New Transmission Can Start

1.2

µs

Start Condition Hold Time

0.6

µs

Clock Low Period

1.2

µs

Clock High Period

0.6

µs

Start Condition Setup Time (For a Repeated Start Condition)

0.6

µs

Data in Hold Time

0

ns

Data in Setup Time

100

ns

(1)

SDA and SCL Rise Time

0.3

µs

(1)

SDA and SCL Fall Time

300

ns

Stop Condition Setup Time

0.6

µs

Data Out Hold Time

50

ns

POWER UP TIMING

(1)

Over recommended operating conditions unless otherwise stated.

Symbol

Parameter

Min

Typ

Max

Units

Power-up to Read Operation

1

ms

Power-up to Write Operation

1

ms

Note:

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

(2) All four wiper terminals RW0, RW1, RW2, and RW3 are tied to ground.