Microprocessor Supervisory Reset Circuits

with Edge-Triggered, One-Shot Manual Reset

2

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ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

RESET to GND

Open-Drain........................................................-0.3V to +6.0V

Input/Output Current (all pins) ............................................20mA

4-Pin SC70 (derate 3.1mW/°C above +70°C) ..............245mW

4-Pin SOT143 (derate 4mW/°C above +70°C).............320mW

Operating Temperature Range .........................-40°C to +125°C

Storage Temperature Range .............................-65°C to +150°C

Junction Temperature ......................................................+150°C

Lead Temperature (soldering, 10s) .................................+300°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

1.0

5.5

Operating Voltage Range

1.2

5.5

V

7

13

6

11

4

8

Supply Current

3

7.5

µA

-1.5%

+1.5%

-2.5%

+2.5%

(See the Reset Threshold Table)

-3%

+3%

V

35

µs

D3 option

150

225

300

D7 option

1200

1800

2400

ms

MR Timeout Period

D3 and D7 options

150

225

300

ms

MR Rising Debounce Period

(Note 2)

D3 and D7 options

150

225

300

ms

0.8

MR Input Voltage

≥ +4V

2.4

V

MR Minimum Input Pulse

1µs

MR Glitch Rejection

100

ns

MR to RESET Delay

200

ns

MR Pullup Resistance

750

1500

2250

Ω

asserted

RESET Output High

(MAX6468 Only)

asserted

V