MIC1815 datasheet(3/6 Pages) MICREL

3 / 6 page

July 2005

MIC1815

Micrel

Absolute Maximum Ratings(Note 1)

Terminal Voltage (VCC)....................................–0.3V to +6V

Input Current (VCC)..................................................... 20mA

Output Current (/RESET) ........................................... 20mA

Rate of Rise (VCC).................................................. 100V/µs

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

Storage Temperature (TS) .......................... –65°C to 150°C

ESD Rating,

Note 3....................................................... 3kV

Operating Ratings(Note 2)

Operating Temperature Range

MIC1815-10U ......................................... –40°C to +85°C

MIC1815-20U ......................................... –40°C to +85°C

Power Dissipation (TA = +70°C) ..............................320mW

Electrical Characteristics

For typical values, VCC = 3.3V, TA = 25°C; bold values indicate –40°C ≤ TA ≤ +85°C; unless noted

Symbol

Parameter

Condition

Min

Typ

Max

Units

VCC

Operating Temperature Range

TA = –40°C to +85°C

5.5

ICC

Supply Current

µA

VTH

Reset Voltage Threshold

MIC1815-10U

2.80

2.88

2.97

MIC1815-20U

2.47

2.55

2.64

tRST

Reset Timeout Period

100

150

250

VOH

/RESET Output Voltage

ISOURCE = 800µA

1.5

VOL

/RESET Output Voltage

VCC = VTH min., ISINK = 10mA

0.4

VCC > 1V, ISINK = 50µA

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. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.

Timing Diagram

/RESET

VCC

tRST

VTH

Reset Timing Diagram

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