MIC706P datasheet(3/7 Pages) MICREL

3 / 7 page

January 2006

MIC706P/R/S/T, MIC708R/S/T

Micrel, Inc.

Absolute Maximum Ratings(1)

Terminal Voltage

VCC ..........................................................–0.3V to +6.0V

All other inputs.............................–0.3V to (VOUT + 0.3V)

Input Current

VCC, Gnd ................................................................ 25mA

Output Current (all outputs)........................................ 20mA

Lead Temperature (soldering, 10 sec.)...................... 300°C

Storage Temperature................................ –65°C to +150°C

Operating Ratings(2)

Operating Temperature Range

MIC70_N ................................................ –40°C to +85°C

MIC70_M ................................................ –40°C to +85°C

Power Dissipation (PDIP)........................................ 475mW

Power Dissipation (SOP)......................................... 400mW

Electrical Characteristics(3)

VCC = 2.70V to 5.5V for MIC70_P/R; VCC = 3.00V to 5.5V for MIC70_S; VCC = 3.15V to 5.5V for MIC70_T;

TA = Operating Temperature Range, bold values indicate –40°C ≤ TA ≤ +85°C; unless noted

Parameter

Conditions

Min.

Typ.

Max

Units

Operating Voltage Range, VCC

1.4

5.5

Supply Current

µA

Reset Voltage Threshold

MIC70_P/R

MIC70_S

MIC70_T

2.55

2.85

3.00

2.63

2.93

3.08

2.70

3.00

3.15

Reset Threshold Hysteresis

Reset Pulse Width, tRS

140

200

280

/RESET Output Voltage

(MIC70_R/S/T)

ISource = 200µA

ISink = 1.2mA

ISink = 50µA, VCC = 1.4V

0.8 × VCC

0.3

RESET Output Voltage

(MIC706P)

ISource = 200µA

ISink = 1.2mA

0.8 × VCC

0.3

RESET Output Voltage

(MIC708R/S/T)

ISource = 200µA

ISink = 500µA

0.8 × VCC

0.3

Watchdog Timeout Period, tWD

1.0

1.6

2.25

sec

WDI Minimum Input Pulse, tWP

VIL = 0.4V, VIH = 80% of VCC

VIL = 0.4V, VIH = 80% of VCC > 4.5V

100

WDI Threshold Voltage

VIH

VIL

0.7 × VCC

0.6

WDI Input Current

WDI = 0V or VCC

-1

µA

WDO Output Voltage

ISource = 200µA

ISink = 500µA

0.8 × VCC

0.3

/MR Pull-Up Current

/MR = 0V

250

600

µA

/MR Pulse Width, tMR

VCC = 4.5V

500

150

/MR Input Threshold

VIL

VIH

0.7 × VCC

0.6

/MR to Reset Output Delay, tMD

750

PFI Input Threshold

1.2

1.25

1.3

PFI Input Current

-25

0.01

+25

/PFO Output Voltage

ISink = 1.2mA

ISource = 200µA

0.8 × VCC

0.3

Note 1. Exceeding the absolute maximum rating may damage the device.

Note 2. The device is not guaranteed to function outside its operating rating.

Note 3. Speciﬁcation for packaged product only.

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