Altera

EPM7128AETI100-7 - MAX 7000A CPLD, 128 Macrocells, 100-TQFP | Altera

MPN: EPM7128AETI100-7 ✗ اختتامِ زندگی

3.3 V Vdss 100-pin TQFP (1.0 mm pitch, 14 x 14 mm) Package 129.9 MHz Speed EEPROM (non-volatile, in-system programmable) Memory

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مقدار

EPM7128AETI100-7 جائزہ

The Altera (now Intel) EPM7128AETI100-7 is a high-performance, 3.3 V EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 7000A family, packaged in a 100-pin Thin Quad Flat Pack (TQFP). It integrates 128 macrocells, 2,500 usable gates, 84 user I/Os, and offers 7.5 ns pin-to-pin logic delays with a maximum counter frequency of 129.9 MHz (some documents list 192.3 MHz for the -7 speed grade in pipelined modes). The device is built on Altera's second-generation Multiple Array Matrix (MAX) architecture, providing non-volatile, in-system programmable logic through on-chip EEPROM configuration memory.

A CPLD (Complex Programmable Logic Device) is a non-volatile digital integrated circuit that combines the instant-on, deterministic timing of PAL/GAL architecture with higher logic density and I/O count. Within the broader taxonomy, CPLDs sit between simple SPLDs (PAL/GAL) and FPGAs: they offer faster, predictable timing than FPGAs at the cost of lower logic density, and they boot instantly without external configuration memory. The MAX 7000A family targets glue-logic, bus-interface, state-machine, and power-sequencing applications where deterministic propagation delay matters more than raw LUT count.

Key differentiating features of the EPM7128AETI100-7 include the MultiVolt I/O interface, which allows the device core to operate at 3.3 V while I/O banks interface with 2.5 V, 3.3 V, or 5 V systems; four dedicated inputs for global clock/clear/preset; and a Joint Test Action Group (JTAG) IEEE 1149.1 boundary-scan test interface for board-level testability. The -7 speed grade delivers 7.5 ns tPD, while the -10 grade trades speed for lower cost, and the -7N suffix denotes lead-free / RoHS compliance. The industrial temperature range (-40 C to +85 C) makes this part suitable for industrial controls, telecommunications infrastructure, and white-goods electronics.

The internal architecture uses a programmable interconnect array that routes signals between the Logic Array Blocks (LABs), each of which contains 16 macrocells with configurable product-term logic, flip-flops, and sharing expanders. This structure yields deterministic, deterministic propagation delay independent of routing complexity, a hallmark of CPLD timing closure.

Typical applications include bus-interface bridging (e.g., 8-bit/16-bit microprocessor-to-peripheral glue logic), address decoding, state-machine controllers, LED display multiplexing, and power-supply sequencing in industrial, automotive aftermarket, and telecom systems. Designers choose the EPM7128AETI100-7 specifically when they need a 5 V-tolerant 3.3 V core device in a 100-pin TQFP footprint that fits legacy board layouts migrated from earlier MAX 7000S (5 V) devices.

When designing with this device, ensure that I/O banks are powered from rails matching the MultiVolt specification of the external logic, and place 0.1 uF and 1 uF decoupling capacitors within 5 mm of each VCCIO/VCCINT pin pair. For JTAG programming, dedicate four general-purpose I/Os as TMS, TCK, TDI, and TDO if boundary-scan test access is required in production.

This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.

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اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں EPM7128AETI100-7 (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Operating Temperature, Package, Family, Process Technology, Usable Gates.

EPM7128AET1100-7

Intel

Operating Temperature: -40C to +85C (industrial)

Package: TQFP-100

Family: MAX 7000A (MAX 7000AE)