Description
The ATF1504AS is a high-performance, high-density complex programmable logic device (CPLD) that utilizes Atmel’s proven electrically-erasable memory technology.

FEATUREs
• High-density, High-performance, Electrically-erasable Complex Programmable Logic Device
    – 64 Macrocells
    – 5 Product Terms per Macrocell, Expandable up to 40 per Macrocell
    – 44, 68, 84, 100 Pins
    – 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
    – D/T/Latch Configurable Flip-flops
    – Global and Individual Register Control Signals
    – Global and Individual Output Enable
    – Programmable Output Slew Rate
    – Programmable Output Open Collector Option
    – Maximum Logic Utilization by Burying a Register with a COM Output
• Advanced Power Management Features
    – Automatic µA Standby for “L” Version
    – Pin-controlled 1 mA Standby Mode
    – Programmable Pin-keeper Circuits on Inputs and I/Os
    – Reduced-power Feature per Macrocell
• Available in Commercial and Industrial Temperature Ranges
• Available in 44-, 68-, and 84-lead PLCC; 44- and 100-lead TQFP; and 100-lead PQFP
• Advanced EE Technology
    – 100% Tested
    – Completely Reprogrammable
    – 10,000 Program/Erase Cycles
    – 20-year Data Retention
    – 2000V ESD Protection
    – 200 mA Latch-up Immunity
• JTAG Boundary-scan Testing to IEEE Std. 1149.1-1990 and 1149.1a-1993 Supported
• PCI-compliant
• 3.3V or 5.0V I/O Pins
• Security Fuse Feature

Enhanced Features
• Improved Connectivity (Additional Feedback Routing, Alternate Input Routing)
• Output Enable Product Terms
• Transparent – 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