1

Features

Conditions

and Application Specific Cells

Description

The Atmel ATC35 (AT56K) process is a proprietary 0.35 micron three-layer-metal

CMOS process intended for use with a supply voltage of 3.3V ± 0.3V. The following

table shows the range for which Atmel library cells have been characterized.

The Atmel cell libraries and megacell compilers have been designed in order to be

compatible with each other. Simulation representations exist for three types of operat-

ing conditions. They correspond to three characterization conditions defined as

follows:

•

MIN conditions:

V

Process = fast (industrial best case)

•

TYP conditions:

V

Process = typ (industrial typical case)

•

MAX conditions:

V

Process = slow (industrial worst case)

Delays to tristate are defined as delay to turn off (VGS < VT) of the driving devices.

Output pad drain current corresponds to the output current of the pad when the output

voltage is V

access resistors (in and out of the die) are taken into account. In order to have accu-

rate timing estimates, all characterization has been run on electrical netlists extracted

from the layout database.

Table 1. Recommended Operating Conditions

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

DC Supply Voltage

Core and Standard I/Os

3.0

3.3

3.6

V

DC Supply Voltage

5V Interface I/Os

4.5

5.0

5.5

V

V

I

DC Input Voltage

0

V

DD

V

DC Output Voltage

0

V

TEMP

Operating Free Air

Temperature Range

Industrial

-55

+85

°C

Cell-based ASIC

ATC35

Summary

Rev. 1063CS–CBIC–01/03