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Product Detailed Parameters
- Description：IC CPLD 64MC 15NS 44TQFP
- Series：ATF15xx
- Mfr：Microchip Technology
- Package：Tray
- Programmable Type：In System Programmable (min 10K program/erase cycles)
- Delay Time tpd(1) Max：15 ns
- Voltage Supply - Internal：3V ~ 3.6V
- Number of Macrocells：64
- Number of I/O：32
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：44-TQFP
- Supplier Device Package：44-TQFP (10x10)
- Grade：-
- Qualification：-
- Number of Gates：-
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Overview
The ATF1504ASV-15AI44 is a high-performance, electrically-erasable CPLD from Microchip Technology's ATF15xx series. It features 64 macrocells with up to 40 product terms each and supports a 3.0V to 3.6V operating range. The device offers a maximum pin-to-pin delay of 15 ns and registered operation up to 77 MHz. It includes In-System Programmability (ISP) via JTAG, robust EEPROM technology with 10,000 program/erase cycles, and industrial temperature range support (-40°C to +85°C).
Feature Summary
- 64 Macrocells with flexible logic structure and up to 40 expandable product terms per macrocell.
- In-System Programmability (ISP) using the standard 4-pin JTAG interface.
- Advanced power management including automatic standby mode and pin-controlled power-down.
- Robust EEPROM technology ensuring 20-year data retention and 2000V ESD protection.
Applications
- Logic replacement for TTL, SSI, MSI, and classic PLDs.
- State machine implementation requiring fast registered input.
- Complex combinational and sequential logic functions in embedded systems.
Procurement Notes
Verify the specific suffix 'AI' against official Microchip documentation to confirm package type and temperature grade, as datasheet references typically list AU (TQFP) or AC (PLCC). Ensure design files account for the 3.3V supply requirements and JTAG programming constraints.
Selection Notes
Select this component for designs requiring 64 macrocells and 3.3V operation. Consider the ATF1504ASVL variant if lower standby current is critical. Verify pin compatibility between TQFP and PLCC packages if migrating designs.
Part Context
This part belongs to the ATF1504ASV/L family of Complex Programmable Logic Devices. It utilizes Microchip's electrically-erasable memory technology, distinguishing it from flash-based CPLDs by its reprogrammability characteristics and ISP capabilities.
Replacement Considerations
Direct replacements within the same family include ATF1504ASV-15AU44 (TQFP) or ATF1504ASV-15AC44 (PLCC), provided the package and temperature specifications match the application requirements.
