Micrel, Inc.

MIC74

October 2006

3

M9999-101006

Absolute Maximum Ratings

(1)

Input Voltage [all pins except

Lead Temperature (soldering, 10 sec.).................... +260°C

EDS Rating

(3)

A0, A1, A2..............................................................500V

Others ....................................................................200V

Operating Ratings

(2)

Package Thermal Resistance ................................163°C/W

Electrical Characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Units

Input Voltage, any pin except

GND–0.3

5.5

V

Operating Supply Current

2

6

µA

Fan Startup Supply Current

(Fan Mode Only)

/FS2[2:0] = open;

P[3:0] = inputs

1.75

mA

Standby Supply Current

/ALERT = open,

P[3:0] = inputs

1

3

µA

Serial I/O (DATA, CLK)

Input Low Voltage

–0.3

0.8

V

Input High Voltage

2

5.5

V

Output Low Voltage

0.4

V

Leakage Current

–1

+1

µA

Input Capacitance

10

pF

Parallel I/O [P0–P3, P4(/SHDN), P5(/FS0)–P7(/FS2)]

Input Low Voltage

–0.5

0.8

V

Input High Voltage

2

5.5

V

7

mA

Output Low Current

10

mA

Output High Current

7

mA

Leakage Current

–1

+1

µA

Input Capacitance

10

pF

Output Capacitance

10

pF

Address Input (A0–A2)

Input Low Voltage

–0.3

V

Input High Voltage

V

Leakage Current

–250

+250

nA

/ALERT

Output Low Voltage

0.4

V

Leakage Current

–1

±250

+1

µA