EPM7128STC100-10 - 128-Macro MAX 7000S CPLD, 10ns TQFP-100 | Intel / Altera
MPN: EPM7128STC100-10 ✗ Tapus ng BuhayEPM7128STC100-10 Ulas
What is a CPLD? A Complex Programmable Logic Device is a non-volatile programmable logic device that sits between simple gate arrays and high-density FPGAs in the digital logic hierarchy: PLA/PAL < CPLD < FPGA. CPLDs provide predictable, deterministic timing (fixed propagation delay) and instant-on behavior because the configuration is stored in on-chip EEPROM rather than loaded from external flash at boot. The MAX 7000S family uses Altera's second-generation MAX architecture with an Enhanced FastTrack interconnect and Logic Array Blocks (LABs), offering faster carry chains, more I/O per macrocell, and the popular JTAG-based ISP (in-system programmability) that made MAX 7000S a workhorse of glue-logic designs from the mid-1990s through the 2010s.
Key features include 128 macro cells distributed across 8 Logic Array Blocks of 16 macrocells each, 84 user I/O pins, 10 ns tPD (pin-to-pin delay), 100 MHz fCNT internal counter frequency, and 3.3V/5V MultiVolt I/O compatibility. The device also integrates a JTAG-compliant boundary-scan test interface, four input pins that can be used as global clock/clear/preset/OE controls, and open-drain or programmable slew-rate output options per pin.
Typical applications include bus-interface bridging, address decoding and chip-select generation, state-machine and sequencer logic, peripheral glue logic for microprocessors and DSPs, board-level power-up sequencing, and legacy industrial control retrofits where deterministic timing and instant-on behavior are required. It is widely used in telecommunications backplane glue, factory automation controllers, and test equipment front-ends.
Designers should note that the EPM7128STC100-10 is programmed with Altera/Intel Quartus software (legacy MAX+PLUS II is also supported). Pin assignments and JTAG chain topology must follow the MAX 7000S device handbook. The '10' suffix denotes the 10 ns speed grade; the faster '7' grade (EPM7128STC100-7) is pin-compatible. The 'C100' package is TQFP-100.
This page synthesizes distributor pricing, package-equivalent drop-in alternatives from the same MAX 7000S family, and practical design notes not aggregated in the manufacturer datasheet.
Mga alternatibo na pwedeng ilagay na EPM7128STC100-10 — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok EPM7128STC100-10 (parehas na form factor at footprint) — pagkakaiba sa Package, Operating Temperature, Logic Array Blocks (LABs), Supply Voltage (VCCINT), RoHS Status.
EPM7128STC100-10N
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →EPM7128STC100-7N
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
EPM7128STC100-15N
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →EPM7128SQC100-10N
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →EPM7128SQC100-10
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →EPM7128SQC100-15
✅ Drop-In✗ Wala sa Stock
$8.2 / Yunit
Tingnan ang Datasheet →EPM7128STC100-10 Mga Pinakamataas na Rating at Electrical Characteristics
| Family | MAX 7000S |
| Device Type | CPLD (Complex Programmable Logic Device) |
| Macro Cells | 128 |
| Usable Gates | 2,500 |
| User I/Os | 84 |
| Logic Array Blocks | 8 (16 macrocells per LAB) |
| Propagation Delay (tPD) | 10 ns |
| Internal Counter Frequency (fCNT) | 100 MHz |
| Logic Family | CMOS |
| Supply Voltage (VCCINT) | 5 V |
| MultiVolt I/O Voltage | 3.3 V / 5 V |
| Packhaging | TQFP-100 (C100) |
| Bilang ng Pin | 100 |
| Uri ng Pagpapasok | Surface Mount |
| Programmability | In-System Programmable (JTAG, IEEE 1149.1), EEPROM |
| Temperature na Operasyon | 0C to +70C (commercial) |
Gabay sa Pin Configuration ng EPM7128STC100-10 tqfp-100 (c100)
Pin configuration para sa EPM7128STC100-10 (tqfp-100 (c100) package). Kasama sa digital IC na ito ang GPIO, mga communication interface (UART, SPI, I2C), at mga power pin. Sumangguni sa datasheet ng manufacturer para sa mga alternatibong function ng pin at mga opsyon sa configuration. Mahalaga para sa disenyo ng embedded system at PCB layout.
Wala ng detalyadong pinout data na magagamit para sa EPM7128STC100-10.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
EPM7128STC100-10 ay nararapat para sa 6 aplikasyons: Address Decoding and Chip-Select Generation, Bus-Interface Bridging and Protocol Conversion, State-Machine and Sequencer Logic, Board-Level Power-Up Sequencing, Legacy Industrial Control Retrofit, Test and Measurement Equipment Front-End.
Address Decoding and Chip-Select Generation
The EPM7128STC100-10's 128 macrocells and 84 user I/Os make it well-suited for board-level address decoding and chip-select generation in microprocessor-based systems. Its 10 ns pin-to-pin delay easily accommodates 33 MHz (30 ns) memory cycles without wait states, and its deterministic timing eliminates the variable-latency issue that plagues microcontrollers doing the same job in firmware. The device can decode full 24-bit or 32-bit address buses and produce individual chip-selects for ROM, SRAM, DRAM, peripheral registers, and dual-port memory in a single 100-pin TQFP, replacing 4-6 discrete 74LS/74F/74AS glue-logic packages. Programmable output slew-rate control reduces EMI on heavily-loaded address buses, while 3.3V/5V MultiVolt I/O permits direct interface to both 3.3V microcontrollers and 5V memory without external level shifters. The JTAG ISP allows last-minute board reconfiguration to fix address-map errors without respinning the PCB.
Inirekomenda
Bus-Interface Bridging and Protocol Conversion
When bridging between legacy 5V peripherals and modern 3.3V controllers, the EPM7128STC100-10 provides both voltage-level translation and protocol conversion in a single device. Its 84 user I/Os can be split between 5V MultiVolt-tolerant banks and 3.3V core-logic banks, eliminating the need for external bus-switch ICs. Common applications include ISA-to-PCI bridge glue logic, UART/SCPI/SPI/I2C mux and decode, parallel-port-to-LCD converters, and PC/104-to-custom-bus adapters. The deterministic 10 ns tPD ensures that the bridge adds no jitter to interrupt or strobe signals, which is critical when emulating real-time protocols. The in-system programmability allows the same PCB to ship with multiple personality bitstreams (selected by jumper) for different peripheral sets, reducing SKU count. EEPROM storage means the bridge logic is available at power-on with no bootloader delay.
Inirekomenda
State-Machine and Sequencer Logic
Implementing state machines in the EPM7128STC100-10 takes advantage of its 128 macrocells - enough for 30+ states in a single device, or several smaller coordinated FSMs. With 100 MHz fCNT, the CPLD can sequence complex power-up/power-down events, motor-control step sequences, or instrument-trigger waveforms without software jitter. The deterministic timing allows the state machine to run from a 50 MHz crystal and meet sub-100 ns timing margins for industrial sensor I/O. Designers appreciate that the state encoding (one-hot, binary, gray) is software-selectable in Quartus, allowing trade-offs between speed and macrocell count. The on-chip EEPROM retains state definitions across power cycles, making the part ideal for unattended remote installations where field firmware updates are impractical. Each of the 4 dedicated input pins can serve as global clock, clear, preset, or output-enable for multi-state synchronization.
Inirekomenda
Board-Level Power-Up Sequencing
Multi-rail systems (FPGA + DDR + analog + RF) require strict power-up and power-down sequencing to prevent latch-up, inrush damage, and bus-contention failures. The EPM7128STC100-10 implements the entire sequencer in hardware, freeing the main MCU or SoC from real-time sequencing responsibility. With 10 ns propagation, the CPLD can produce sequenced enable signals with sub-microsecond delay resolution - fine enough for modern POL regulators that demand 1 ms-order staggering. Each of the 84 I/Os can directly drive a MOSFET gate or enable pin (8 mA IOL / IOH typical), eliminating buffer ICs. The JTAG ISP allows the sequencing order to be updated in the field when power-tree revisions occur, which is particularly valuable for industrial and aerospace long-life programs. The 5V core voltage tolerates noisy 24V industrial backplanes after regulation.
Inirekomenda
Legacy Industrial Control Retrofit
Many 1990s-era industrial controllers, PLCs, and CNC front-ends use the EPM7128STC100-10 as central glue logic. For retrofit and maintenance of these machines, the CPLD provides exact functional replacement when the original part fails. The MAX 7000S architecture is well-documented in legacy Altera datasheets, and the JTAG ISP allows the same bitstream to be loaded into the device from a stored POF file. The 100-pin TQFP is straightforward to hand-rework with hot-air stations for low-volume repair shops. Industrial integrators also use this part to add modern features (USB, Ethernet) to legacy machines by routing the new peripheral signals through spare macrocells while preserving original wiring. The 5V core and TTL-compatible I/O match vintage logic without level shifting. EEPROM retention (>20 years) means the bitstream survives long field-storage intervals without battery backup.
Inirekomenda
Test and Measurement Equipment Front-End
Test equipment (logic analyzers, protocol exercisers, ATE fixtures) uses the EPM7128STC100-10 for pattern generation, timing-and-control, and bus multiplexing. The 100 MHz fCNT supports pattern rates up to 50 MHz in half-cycle clocking, sufficient for legacy PCI, ISA, and VME bus test. The 84 user I/Os can drive or sample 8-10 channels of parallel test vectors with per-pin programmable slew rate and open-drain options. The JTAG interface enables ATE to reconfigure the test personality per DUT without manual intervention, and the deterministic timing ensures repeatable measurement results across test runs. The 5V I/O is fully TTL-compatible, simplifying fixture design for both 3.3V and 5V DUTs via MultiVolt. The on-chip EEPROM stores multiple personalities, selectable by external jumper, which is useful for board-rev A/B testing.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for EPM7128STC100-10 — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | EPM7128STC100-10N | EPM7128STC100-7N | EPM7128STC100-15N | EPM7128SQC100-10N | EPM7128SQC100-10 | EPM7128SQC100-15 |
|---|---|---|---|---|---|---|---|
| Package | TQFP-100 | TQFP-100 | TQFP-100 | TQFP-100 | TQFP-100 | TQFP-100 | TQFP-100 |
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Speed Grade (tPD) | 10 ns | 10 ns | 7 ns (faster) | 15 ns (slower) | 10 ns | 10 ns | 15 ns (slower) |
| Macro Cells | 128 | 128 | 128 | 128 | 128 | 128 | 128 |
| Usable Gates | 2,500 | 2,500 | 2,500 | 2,500 | 2,500 | 2,500 | 2,500 |
| User I/Os | 84 | 84 | 84 | 84 | 84 | 84 | 84 |
| RoHS Status (Finish) | SnPb (non-RoHS) | Pb-free (RoHS) | Pb-free (RoHS) | Pb-free (RoHS) | Pb-free (RoHS) | SnPb (non-RoHS) | SnPb (non-RoHS) |
| Pin-to-Pin Compatible | Yes (reference) | Yes | Yes | Yes | Yes | Yes | Yes |
Pangunahing mga Pagkakaiba
- Best-in-class 5V MultiVolt CPLD with 128 macrocells and 84 I/Os (kumpara saEPM7128AETC100-10)
- Pin-compatible upgrade path to faster 7 ns grade (kumpara saEPM7128STC100-7N)
- Same silicon available with Pb-free RoHS finish (kumpara saEPM7128STC100-10N)
Talaan ng Disenyo
The EPM7128STC100-10 requires a stable 5.0V VCCINT supply with +/-5% tolerance. A bulk 100 uF tantalum plus 0.1 uF ceramic decoupling per VCC pin is the recommended starting point. Add a 10 uF ceramic close to the device for high-frequency noise suppression. VCCIO pins (if present in the bank configuration) should be tied to either 3.3V or 5V per MultiVolt requirements; do not leave floating. Estimated: ICC active current is approximately 100-300 mA depending on utilization and toggle rate; consult the MAX 7000S datasheet for ICC vs frequency curves.
The 100-pin TQFP has 0.5 mm lead pitch and requires careful PCB layout. Use 0.20 mm (8 mil) traces between pads, with via-in-pad acceptable only with proper tenting. Place all decoupling capacitors on the same PCB layer as the CPLD, within 5 mm of the corresponding VCC pins. JTAG chain signals (TCK, TMS, TDI, TDO) should be routed with matched lengths (<25 mm mismatch) and shielded with ground guard traces. The exposed thermal pad (if present on the package variant) must be soldered to a copper pour to meet theta_JA ratings.
Do not confuse the EPM7128STC100-10 (MAX 7000S, 5V core) with the EPM7128AETC100-10 (MAX 7000A, 3.3V core); the JTAG IDCODE differs and the bitstream is not interchangeable. When migrating from MAX 7000S to MAX II, regenerate the BSDL file and JTAG chain description for production testers. The 'N' suffix on the part number (EPM7128STC100-10N) indicates lead-free / RoHS finish - verify the assembly profile matches the finish (SnPb vs SAC305). Do not program the device with a MAX+PLUS II project targeting a different speed grade without recompiling.
For high-speed designs approaching the 100 MHz fCNT limit, assign clock signals to one of the four dedicated global clock input pins (GCLK0-GCLK3) to minimize skew. Distribute high-fanout signals (enables, clears) via the global network rather than regular LAB interconnects. Output slew-rate control should be set to 'slow' for heavily-loaded buses to reduce ground bounce; reserve 'fast' slew for critical timing paths. Per-pin open-drain configuration is available in the Quartus pin assignment editor and eliminates the need for external pull-up resistors on wired-OR buses.
Impormasyon ng Pagsunod sa Kautusan
The base EPM7128STC100-10 uses SnPb (tin-lead) terminal finish and is RoHS non-compliant; the '-10N' variant is Pb-free RoHS-compliant. AEC-Q100 not applicable for commercial-grade CPLD. REACH and conflict-mineral compliance status not stated in provided data.
