ATMEL ATF1502AS Preliminary Data Handbook
Summary
The ATF1502AS is a high-performance, high-density Complex Programmable Logic Device (CPLD) designed for robust digital control and signal processing. This technical manual provides comprehensive coverage of the device's architecture, featuring advanced concepts such as 4 plex logic macrocells, up to 32 I/O pins, and integrated EEPROM technology. It details crucial operational specifications, including JTAG Boundary Scan compatibility and specialized power management options. This product is essential for electrical engineers and hardware designers building sophisticated digital systems that require flexible, high-speed, and reliable programmable logic integration.
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Features High Density, High Performance Electrically Erasable Complex Programmable Logic Device 32 Macrocells 5 Product Terms per Macrocell, Expandable up to 40 per Macrocell 44 pin 7.5 ns Maximum Pin-to-Pin Delay Registered Operation Up To 125 MHz Enhanced Routing Resources In-System Programmability (ISP) via JTAG Flexible Logic Macrocell High D/T/Latch Configurable Flip Flops Global and Individual Register Control Signals
Performance
Global and Individual Output Enable Programmable Output Slew Rate
Programmable Output Open Collector Option E2PROM CPLD
Maximum Logic utilization by burying a register with a COM output Advanced Power Management Features Automatic 3 m A Stand-By for “L” Version
Pin-Controlled 4 m A Stand-By Mode (Typical) ATF1502AS
Programmable Pin-Keeper Inputs and I/Os Reduced-Power Feature Per Macrocell Preliminary Available in Commercial and Industrial Temperature Ranges Available in 44-pin PLCC; TQFP; and PQFP Advanced EEPROM Technology 100% Tested Completely Reprogrammable 100 Program/Erase Cycles 20 Year Data Retention 2000V ESD Protection 200 m A Latch-Up Immunity JTAG Boundary-Scan Testing to IEEE Std. 1149.1-1990 and 1149.1a-1993 Supported PCI-compliant 3.3 or 5.0V I/O pins Security Fuse Feature
Enhanced Features Improved Connectivity (Additional Feedback Routing, Alternate Input Routing) Output Enable Product Terms D - Latch Mode Combinatorial Output with Registered Feedback within any Macrocell Three Global Clock Pins ITD (Input Transition Detection) Circuits on Global Clocks, Inputs and I/O Fast Registered Input from Product Term Programmable “Pin-Keeper” Option VCC Power-Up Reset Option Pull-Up Option on JTAG Pins TMS and TDI Advanced Power Management Features Edge Controlled Power Down “L” Individual Macrocell Power Option Disable ITD on Global Clocks, Inputs and I/O
Rev. 0995A–04/98
Page Summary Contents For ATMEL ATF1502AS Preliminary Data Handbook
Manual Details
| Brand | Atmel |
|---|---|
| Pages | 18 |
| File Size | 348.77 KB |
| Published | May 15, 2026 |
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Frequently Asked Questions
How can I program or test this CPLD?
It is In-System Programmable (ISP) via JTAG, and supports Boundary-Scan Testing to IEEE Std. 1149.1.
What are the available operating temperatures?
The ATF1502AS comes in both Commercial ranges (0°C to 70°C) and Industrial ranges (-40°C to +85°C).
How does this device manage power consumption when idle?
It supports automatic 3 mA Stand-By for the 'L' version, or pin-controlled 4 mA standby mode.
What I/O voltage standards are supported?
The device supports both 3.3V or 5.0V signal output pins.