Features
• Comprehensive Library of Standard Logic and I/O Cells
• ATC18 Core and I/O Cells Designed to Operate with VDD = 1.8V ± 0.15V as Main Target
Operating Conditions
• IO25 and IO33 Pad Libraries Provide Interfaces to 2.5V and 3V Environments
• Oscillators Provide Stable Clock Sources
• Basic Analog Input/Output, Power, Ground and Multiplexer Cells Available
• General-purpose Analog Cells Include Regulators, Power Management Cells, Op
Amps, Comparators, ADCs and DACs, High-performance Analog Cells Can Be
Developed on Request
Cell-based ASIC
ATC18
• Memory Cells Compiled to the Precise Requirements of the Design
• Compatible with Atmel’s Extensive Range of Microcontroller, DSP, Standard-interface
and Application-specific Cells
1. Description
The Atmel ATC18 Library is fabricated on a proprietary 0.18 micron, up to six-layer-
metal CMOS process intended for use with a supply voltage of 1.8V ± 0.15V. Table 1-
1 shows the range for which Atmel library cells have been characterized.
Summary
Table 1-1.
Recommended Operating Conditions
Conditions
DC Supply Voltage Core and Standard I/Os 1.65
Symbol Parameter
Min
Typ
1.8
2.5
3.3
Max
1.95
2.75
3.6
Unit
V
VDD
VDD2.5
VDD3.3
VI
DC Supply voltage
DC Supply Voltage
DC Input Voltage
DC Output Voltage
2.5V Interface I/Os
3.3V Interface I/Os
2.25
V
3
0
0
V
VDD
VDD
V
VO
V
Operating Free Air
Temperature Range
TEMP
TSG
Industrial
-40
-60
+85
° C
° C
Storage Temperature
+150
NOTE: This is a summary document.
The complete document is available
under NDA. For more information,
please contact your local Atmel sales
office.
1389CS–CASIC–06-Nov-06