© 2002 Microchip Technology Inc.

DS21402B-page 3

TC32M

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings*

Operating Temperature Range

TC32MC Package........................... 0°C to +70°C

TC32ME Package ........................ -40°C to +85°C

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

*Stresses above 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 above those indicated in the

operation sections of the specifications is not implied.

Exposure to Absolute Maximum Rating conditions for

extended periods may affect device reliability.

TC32M ELECTRICAL SPECIFICATIONS

Symbol

Parameter

Min

Typ

Max

Units

Test Conditions

Supply Voltage

4.5

—

5.5

V

RS Input HIGH Level for PB

2.0

—

—

V

RS Input LOW Level for PB

—

—

0.3

V

Symbol

Parameter

Min

Typ

Max

Units

Test Conditions

RS Input Leakage

-1

—

+1

µA

RS Output Current

2.0

10

—

mA

Operating Current

—

50

200

µANote 1

RS Strobe HIGH Level

—

—

V

Figure3-1

RS Strobe LOW Level

2.00

—

V

Figure3-1

RESET Threshold

4.25

—

4.50

V

Symbol

Parameter

Min

Typ

Max

Units

Test Conditions

Input Capacitance

—

—

5

pF

Output Capacitance

—

—

7

pF

Symbol

Parameter

Min

Typ

Max

Units

Test Conditions

RESET Active Time

500

700

900

msec

Figure 3-2

RS Strobe Pulse Width

500

—

—

nsec

Figure 3-1

Watchdog Timeout Period

500

700

900

msec

Figure 3-1

—

—

nsec

Figure 3-3

Note

1:

No output load.

2:

All voltages referenced to ground.