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ATF1504AS-10AU44

MCHPATF1504AS-10AU44

Microchip Technology
Same ATF1500 family with higher macrocell count for slightly larger logic needs
Active2,167 in stock
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Overview

The Microchip ATF1504AS-10AU44 is a 5V In-System Programmable (ISP) CPLD from the ATF1500 family. It features 64 macrocells and 32 I/O pins, offering a balance of logic density and performance. This CPLD supports a wide operating temperature range of -40 degrees C to 85 degrees C and is packaged in a 44-TQFP for surface mount applications.

Why Choose This Part

Engineers choose this CPLD for its 5V operation, making it suitable for designs that require direct compatibility with 5V components without level shifting. Its In-System Programmability via JTAG simplifies development and field updates. The advanced power management features and security fuse provide additional design flexibility and IP protection.

Applications

Legacy System Maintenance
Replacing obsolete CPLDs in existing 5V digital systems where logic glue or custom control functions are required.
Digital Glue Logic
Implementing custom combinatorial or sequential logic to interface between different ICs or to consolidate discrete logic gates.
Bus Arbitration and Control
Managing access and control signals for shared bus resources in embedded systems, ensuring orderly data flow.
Protocol Conversion
Adapting communication protocols between different components that have incompatible signaling or timing requirements.
Custom State Machines
Designing dedicated state machines for sequence control, event handling, or user interface logic in various applications.
I/O Expansion and Level Translation
Extending the number of available I/O lines for a microcontroller or processor, with 5V tolerant inputs and outputs.

Key Specifications

Mounting Type Surface Mount
Number of I/O 32
Package / Case 44-TQFP
Programmable Type In System Programmable (min 10K program/erase cycles)
Number of Macrocells 64
Delay Time tpd(1) Max 10 ns
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 44-TQFP (10x10)
Voltage Supply - Internal 4.5V ~ 5.5V

Getting Started

To get started with the ATF1504AS-10AU44, engineers typically use Microchip's development tools and software for CPLD design and programming. The device's JTAG interface allows for in-system programming and boundary-scan testing, which is essential for debugging and production. Refer to Microchip's datasheets and application notes for specific programming algorithms and development board recommendations.

ATF1504AS-10 Family

Part NumberDifferenceStock
ATF1504AS-10JU44 JU44 2,230

Also Consider

ATF1502AS-10AU44 MCHPMicrochip Technology - This CPLD offers a lower macrocell count (32 macrocells) in the same family and package, suitable for smaller logic requirements.
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