EPM7256BTC100-7

Complex Programmable Logic Devices Overview

The Altera EPM7256BTC100-7 is a high-performance, 2.5-V CMOS EEPROM-based programmable logic device (PLD) belonging to the MAX 7000B family. Built on the second-generation Multiple Array MatriX (MAX) architecture, it provides 5,000 usable gates and 256 macrocells organized into 16 logic array blocks. The device features a 100-pin TQFP package with up to 164 user I/O pins. Key electrical parameters include a maximum pin-to-pin delay of 5.0 ns and counter frequencies reaching 188.7 MHz. It supports advanced in-system programmability via IEEE Std. 1149.1 JTAG.

Complex Programmable Logic Devices Feature Summary

• High-density PLD with 256 macrocells, 16 LABs, and 5,000 usable gates.
• Advanced 2.5-V in-system programmability (ISP) compliant with IEEE Std. 1532.
• MultiVolt I/O interface supporting 3.3-V, 2.5-V, and 1.8-V logic levels.
• Pin-compatible with 5.0-V MAX 7000S and 3.3-V MAX 7000A families.

Complex Programmable Logic Devices Applications

• Complex digital logic replacement for PALs, GALs, and pLSI devices.
• Mixed-voltage system integration requiring MultiVolt I/O compatibility.
• High-speed data processing with counter frequencies exceeding 188 MHz.
• Designs requiring field upgrades via in-system programming capabilities.

Complex Programmable Logic Devices Procurement Notes

Verify the specific speed grade suffix (-7) against the manufacturer's current availability list, as datasheet notes indicate contacting marketing for up-to-date speed grade information. Confirm package integrity for the 100-pin TQFP variant. Ensure programming hardware supports the enhanced ISP algorithm and IEEE Std. 1532 compliance for in-system operations.

Complex Programmable Logic Devices Selection Notes

Select this model when 256 macrocells and 164 I/O pins are required within a 100-pin footprint. The -7 speed grade offers a 5.0 ns pin-to-pin delay, suitable for applications needing 188.7 MHz performance. Consider pin-compatibility with existing MAX 7000S or MAX 7000A designs if migrating from 5.0-V or 3.3-V systems. Verify that the design utilizes the MultiVolt I/O features for mixed-voltage interfacing.

Complex Programmable Logic Devices Part Context

The EPM7256BTC100-7 is part of the MAX 7000B family, which represents Altera's second-generation MAX architecture. This family bridges the gap between simple PLDs and complex FPGAs, offering EEPROM-based reprogrammability with predictable timing due to its Programmable Interconnect Array (PIA). It serves as a high-density solution for logic consolidation in embedded systems.

Complex Programmable Logic Devices Replacement Considerations

Direct pin-compatible replacements within the same package include other MAX 7000B devices such as EPM7128B or EPM7512B, subject to density requirements. Cross-family migration to MAX 7000A (3.3-V) or MAX 7000S (5.0-V) is possible with pin compatibility but requires voltage level verification. No direct functional substitutes exist outside the MAX 7000 family without redesign.