© 2006 Microchip Technology Inc.

DS21415C-page 3

TC426/TC427/TC428

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings*

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

Input Voltage, Any Terminal

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

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

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

Derating Factor

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

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

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

—

6

10

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.