 2002 Microchip Technology Inc.

DS21415B-page 3

TC426/TC427/TC428

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings*

Supply Voltage..................................................... +20V

Input Voltage, Any Terminal

PDIP ........................................................ 730mW

CERDIP ................................................... 800mW

SOIC........................................................ 470mW

Derating Factor

PDIP ....................................................... 8mW/°C

CERDIP ............................................... 6.4mW/°C

SOIC....................................................... 4mW/°C

Operating Temperature Range

C Version .........................................0°C to +70°C

I Version....................................... -25°C to +85°C

E Version ..................................... -40°C to +85°C

M Version................................... -55°C to +125°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.

TC426/TC427/TC428 ELECTRICAL SPECIFICATIONS

Symbol

Parameter

Min

Typ

Max

Units

Test Conditions

Input

Logic 1, High Input Voltage

2.4

——

V

Logic 0, Low Input Voltage

——

0.8

V

Input Current

-1

—

1

Output

High Output Voltage

——

V

Low Output Voltage

——

0.025

V

High Output Resistance

—

10

15

Ω

Low Output Resistance

—

610

Ω

Peak Output Current

—

1.5

—

A

Switching Time (Note 1)

Rise Time

——

30

nsec

Figure 3-1, Figure 3-2

Fall Time

——

30

nsec

Figure 3-1, Figure 3-2

Delay Time

——

50

nsec

Figure 3-1, Figure 3-2

Delay Time

——

75

nsec

Figure 3-1, Figure 3-2

Power Supply

Power Supply Current

—

—

—

—

8

0.4

mA

Note

1:

Switching times ensured by design.