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ATF1504ASVL-20AU44

MCHPATF1504ASVL-20AU44

Microchip Technology
CPLD - Complex Programmable Logic Devices CPLD 64 MACROCELL w/ISP LOW PWR 3.3V
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Overview

The ATF1504ASVL-20AU44 is a high-performance, low-power 3.3V Complex Programmable Logic Device (CPLD) from Microchip. It features 64 macrocells and utilize EEPROM technology for non-volatile configuration, supporting at least 10,000 program/erase cycles. This device includes advanced power management features such as a 5 microamp automatic standby mode and individual macrocell power control.

Why Choose This Part

The device offers a programmable pin-keeper option on all I/O pins, reducing the need for external pull-up resistors. It is PCI-compliant and features Input Transition Detection (ITD) circuits to minimize power consumption by powering down internal logic when inputs are static. With 2000V ESD protection and 200mA latch-up immunity, it provides robust performance in industrial environments.

Applications

I/O Expansion
Increasing the number of available digital pins for microcontrollers with limited GPIO in 3.3V systems.
Glue Logic
Consolidating multiple 74-series discrete logic chips into a single 44-pin TQFP package to save PCB space.
Voltage Level Shifting
Bridging communications between different logic levels while performing real-time data manipulation.
Custom Timing Generation
Creating precise clock dividers or PWM controllers that offload timing-critical tasks from the main CPU.

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 20 ns
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 44-TQFP (10x10)
Voltage Supply - Internal 3V ~ 3.6V

Getting Started

Designers can use Microchip WinCUPL or integrated third-party synthesis tools to develop logic designs. The device is In-System Programmable (ISP) via a standard JTAG interface, which allows for rapid prototyping and field updates. Hardware verification can be performed using generic JTAG programmers compatible with the ATF15xx family.

Also Consider

ATF1504AS-10AU44 MCHPMicrochip Technology - Offers a faster 10ns propagation delay for timing-critical applications that can tolerate higher power consumption.
ATF1508ASVL-20AU100 MCHPMicrochip Technology - Provides 128 macrocells for designs that exceed the logic capacity or I/O count of the 64-macrocell version.
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