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Product Detailed Parameters
- Description：IC CPLD 64MC 20NS 68PLCC
- Series：ATF15xx
- Mfr：Microchip Technology
- Package：Tube
- Programmable Type：In System Programmable (min 10K program/erase cycles)
- Delay Time tpd(1) Max：20 ns
- Voltage Supply - Internal：4.75V ~ 5.25V
- Number of Macrocells：64
- Number of I/O：48
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：68-LCC (J-Lead)
- Supplier Device Package：68-PLCC (24.23x24.23)
- Grade：-
- Qualification：-
- Number of Gates：-
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Overview
The ATF1504ASL-20JC68 is a high-density, electrically-erasable complex programmable logic device (CPLD) from Microchip Technology. It features 64 macrocells with five product terms each, expandable to 40 via cascade logic. The component operates within a 3.0V to 3.6V or 5.0V supply range and supports registered operation up to 125 MHz. It utilizes In-System Programmability (ISP) via the JTAG interface and includes advanced power management features such as automatic standby for the 'L' version. The device is housed in a 68-lead PLCC package and supports both commercial and industrial temperature ranges.
Feature Summary
- 64 Macrocells with 5 Product Terms per Macrocell, expandable to 40
- In-System Programmability (ISP) via 4-pin JTAG interface
- Automatic microamp standby mode for low-power applications
- Programmable pin-keeper circuits on inputs and I/Os
Applications
- High-performance control applications
- Digital design executing boot loader functions
- Loading configuration data for Field Programmable Gate Arrays (FPGAs)
- Small design applications such as address decoding
Procurement Notes
Verify that the ordering suffix corresponds to the specific package type and temperature grade required for the application. Confirm the voltage compatibility of the target system with the device's 3.3V or 5.0V I/O specifications before procurement.
Selection Notes
Select this model when 64 macrocells are sufficient for the logic density requirements. The 'L' suffix indicates low-power standby capabilities suitable for battery-operated devices. Ensure the design compiler supports the enhanced routing resources and flexible macrocell configurations provided by the ATF1504AS series.
Part Context
This component belongs to the ATF1504AS family of CPLDs, which utilize Atmel's proven electrically-erasable memory technology. The family offers various pin counts including 44, 68, 84, and 100 pins, allowing designers to choose the appropriate package based on I/O requirements and board space constraints.
Replacement Considerations
Direct replacements within the same family include ATF1504AS variants with different speed grades or packages, such as ATF1504AS-10JC68 or ATF1504AS-7JC68. Verify pinout compatibility and electrical characteristics when substituting.
