5-20

TELCOM SEMICONDUCTOR, INC.

TC1232

MICROPROCESSOR MONITOR

ABSOLUTE MAXIMUM RATINGS*

Voltage on Any Pin (With Respect to GND) – 0.3V to +5.8V

Operating Temperature Range:

TC1232C .......................................... 0

°C to +70°C

TC1232E ..................................... – 40

°C to + 85°C

Storage Temperature Range ................ – 65

°C to +150°C

Lead Temperature (Soldering, 10 sec) ................. +300

°C

*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.

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

Supply Voltage

4.5

5.0

5.5

V

ST and PB RST

2.0

—

V

Input High Level

Note 1

ST and PB RST

– 0.3

—

+0.8

V

Input Low Level

Input Leakage ST, TOL

– 1.0

—

+1.0

µA

Output Current RST

– 1.0

–12

—

mA

Current RST, RST

2.0

10

—

mA

Operating Current

Note 2

—

50

200

µA

TOL = GND

4.50

4.62

4.74

V

4.25

4.37

4.49

V

Symbol

Parameters

Test Conditions

Min

Typ

Max

Units

PB RST (Note 5)

Figure 3

20

—

—

msec

PB RST Delay

Figure 3

1

4

20

msec

Reset Active Time

250

610

1000

msec

ST Pulse Width

Figure 4

75

—

—

nsec

ST Time-out Period

Figure 4

TD Pin = 0V

62.5

150

250

msec

TD Pin = Open

250

600

1000

msec

500

1200

2000

msec

Figure 5

10

—

—

µsec

Symbol

Parameters

Test Conditions

Min

Typ

Max

Units

Input Capacitance ST, TOL

—

—

5

pF

Output Capacitance RST, RST

——

7

pF