August 1, 2000

3

MIC74

MIC74

Micrel

Supply Voltage (V

Input Voltage

[all pins except

V

Junction Temperature (T

Lead Temperature (10 sec.) .................................... +260

°C

ESD Rating, Note 3

V

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

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

Supply Voltage (V

Ambient Temperature (T

Package Thermal Resistance ............................... 163

°C/W

Electrical Characteristics

2.7V

≤ V

Symbol

Parameter

Condition

Min

Typ

Max

Units

V

IN

Input Voltage, any pin except

GND–0.3

5.5

V

V

I

DD

Operating Supply Current

P[7:0] inputs; P[7:0] = V

2

6

µA

/ALERT open; f

I

START

Fan Startup Supply Current

during t

1.75

mA

(Fan Mode Only)

/FS2[2:0] = open; V

P[3:0] = inputs

I

STBY

Standby Supply Current

/ALERT = open, V

3

µA

P[3:0] = inputs

Serial I/O (DATA, CLK)

V

IL

Input Low Voltage

–0.3

0.8

V

V

IH

Input High Voltage

2.0

5.5

V

V

OL

Output Low Voltage

I

0.4

V

I

LEAK

Leakage Current

V

–1+1

µA

C

IN

Input Capacitance

10

pF

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

V

IL

Input Low Voltage

–0.5

0.8

V

V

IH

Input High Voltage

2

5.5

V

I

OL

Output Low Current

V

7

mA

V

10

mA

I

OH

Output High Current

V

7

mA

I

LEAK

Leakage Current

V

–1+1

µA

C

IN

Input Capacitance

10

pF

C

OUT

Output Capacitance

10

pF

Address Input (A0–A2)

V

IL

Input Low Voltage

–0.3

0.3V

DD

V

V

IH

Input High Voltage

0.7V

DD

V

V

I

LEAK

Leakage Current

V

–250

+250

nA