MIC1832MY datasheet(3/7 Pages) MICREL

3 / 7 page

January 2006

MIC1832

Micrel, Inc.

Electrical Characteristics

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

Parameter

Condition

Min

Typ

Max

Units

Supply Voltage Range

VCC

5.5

Supply Current

ICC @ VCC = 5V (Note 4)

µA

ICC @ VCC = 3.3V (Note 4)

µA

/ST and /PBRST Input Levels

VIH (Note 5)

VCC+0.3

VIH (Note 6)

VCC-0.4

VCC+0.3

VIL

–0.3

0.5

Input Leakage, /ST

(Note 7)

IIL

±1

µA

Output Voltage, /RST, RST

ISOURCE = 350µA, VCC = 3.3V

2.4

Output Voltage, /RST, RST

ISINK = 10mA, VCC = 3.3V

0.4

Output Voltage

VCC = 1.4V, ISINK = 50µA

0.3

VCC 5% Trip Point (Reset

TOL = Gnd

2.8

2.88

2.97

Threshold Voltage)

VCC 10% Trip Point (Reset

TOL = VCC

2.47

2.55

2.64

Threshold Voltage)

Input Capacitance, /ST, TOL

CIN (Note 8)

Output Capacitance, /RST, RST

COUT (Note 8)

AC Electrical Characteristics

VCC = 4.5V to 5.5V; TA = Operating Temperature Range, bold values indicate –40°C ≤ TA ≤ +85°C; unless noted

/PBRST Min. Pulse Width, tPB

/PBRST = VIL (Note 9)

/PBRST Delay, tPBD

Reset Active Time, tRST

250

610

1000

/ST Pulse Width, tST

/ST Timeout Period, tTD

TD = 0V

62.5

150

250

TD = Open

250

600

1000

TD = VCC

500

1200

2000

VCC Fall Time, tF

µs

VCC Rise Time, tR

VCC Detect to /RST Low

VCC Falling (Note 10)

µs

and RST High, tRPD

VCC Detect to /RST Low

VCC Falling (Note 9)

250

610

1000

µs

and RST Low, tRPD

Absolute Maximum Ratings (Note 1)

Terminal Voltage

VCC ...............................................................–0.3V to 7V

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

Input Current

VCC ...................................................................... 250mA

GND, all other inputs .............................................. 25mA

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

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

Operating Ratings (Note 2)

Operating Temperature Range

MIC1832M/N ............................................ –40°C to 85°C

MIC1832D ................................................ –40°C to 85°C

Power Dissapation .................................................. 700mW

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