CAT28HT256

8-93

Advanced

Stock No. 21065-03 2/98

D.C. OPERATING CHARACTERISTICS

±10%, unless otherwise specified. (Temperature 0˚C to 170˚C)

Limits

Symbol

Parameter

Min.

Typ.

Max.

Units

Test Conditions

30

mA

25

mA

1

mA

300

µA

All I/O’s Open

Input Leakage Current

–10

20

Output Leakage Current

–10

20

High Level Input Voltage

2

V

Low Level Input Voltage

–0.3

0.8

V

High Level Output Voltage

2.4

V

µA

Low Level Output Voltage

0.4

V

Write Inhibit Voltage

3.5

V

*COMMENT

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 outside of

those listed in the operational sections of this specifica-

tion is not implied. Exposure to any absolute maximum

rating for extended periods may affect device perfor-

mance and reliability.

ABSOLUTE MAXIMUM RATINGS*

Temperature Under Bias ................. –55

°C to +150°C

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

°C to +150°C

Voltage on Any Pin with

Package Power Dissipation

Capability (Ta = 25

°C)................................... 1.0W

Lead Soldering Temperature (10 secs) ............ 300

°C

Note:

(1) The minimum DC input voltage is –0.5V. During transitions, inputs may undershoot to –2.0V for periods of less than 20 ns. Maximum DC

(2) Output shorted for no more than one second. No more than one output shorted at a time.