April 2008

ASM161/ASM162

rev 1.5

µP Supervisory Circuit

4 of 9

Notice: The information in this document is subject to change without notice.

Application Information

Glitch Resistance

The ASM161/162 are relatively immune to short duration

that goes 100mV below the reset threshold and lasts 20s

or less will not typically cause a reset pulse.

To ensure that logic inputs connected to the ASM162

a 100k

Ω pull-down resistor at RESET is needed. The

value is not critical.

This scheme does not work with the open-drain outputs

of ASM161.

Absolute Maximum Ratings

Parameter

Min

Max

Unit

Pin Terminal Voltage with Respect to Ground

-0.3

6.0

V

RESET, RESET and MR

-0.3

V

20

mA

100

V/µs

320

mW

Operating Temperature Range

-40

85

°C

Storage Temperature Range

-65

160

°C

Lead Temperature (soldering, 10 sec)

300

°C

ESD rating

HBM

MM

2

200

KV

V

Note: These are stress ratings only and functional operation is not implied. Exposure to absolute maximum ratings for prolonged time periods may

affect device reliability.