EPM3128ATC144-10 - 128-Macro MAX 3000A CPLD | Altera | TQFP-144
N.º da peça: EPM3128ATC144-10 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $11.84 | $11,84 |
| 10 | $10.65 | $106,50 |
| 100 | $8.95 | $895,00 |
| 500 | $7.45 | $3.725,00 |
| 1.000 | $6.2 | $6.200,00 |
EPM3128ATC144-10 Visão geral
What is a CPLD? A Complex Programmable Logic Device is a non-volatile programmable logic IC that sits between simple 22V10-style PAL/GAL devices and larger FPGAs. CPLDs use a coarse-grained architecture of macro cells interconnected by a central global interconnect, with on-chip EEPROM (or flash) configuration memory. They typically offer very predictable timing (fixed pin-to-pin delays), instant-on behavior, and high drive capability, making them ideal for I/O expansion, address decoding, bus arbitration, and power-sequencing glue logic. Within the programmable logic taxonomy, a CPLD belongs to the broader class of programmable logic devices (PLDs), which themselves are a subset of standard logic ICs.
Key features of the EPM3128ATC144-10 include 3.3V in-system programmability (ISP) compliant with the IEEE Std. 1532 specification, a JTAG boundary-scan test interface (IEEE Std. 1149.1), and counter speeds of up to 227.3 MHz on internal logic. The device supports multi-voltage I/O operation, allowing its I/O pins to interface with 1.5V, 1.8V, 2.5V, and 3.3V logic families. The MAX 3000A architecture combines deterministic timing with low power consumption (standby current typically in the microampere range) and industrial temperature-grade options for harsh environments.
Architecturally, the EPM3128ATC144-10 divides its 128 macro cells into four Logic Array Blocks (LABs), each containing 16 macro cells. Each macro cell integrates a programmable AND/OR array with a configurable flip-flop, enabling efficient implementation of both combinational and registered logic. The central interconnect routes signals between LABs and to the I/O pins with a fixed, deterministic delay that does not depend on routing density.
Typical applications include I/O expansion for microcontrollers and ASICs, address decoding for memory and peripheral buses, glue logic between processors and peripherals, state-machine controllers in industrial automation, bus-interface bridges (PCI to ISA, parallel-to-serial conversion), and power-supply sequencing in multi-rail systems. Its instant-on non-volatile configuration is particularly valuable in systems that must be operational immediately after power-up without firmware loading delays.
When designing with the EPM3128ATC144-10, ensure that your JTAG chain ordering matches the device's TDI-to-TDO sequence and that the ISP programming voltage timing complies with IEEE 1532 requirements. A common pitfall is using the wrong I/O bank voltage configuration for mixed-voltage systems - consult the MAX 3000A datasheet to confirm each I/O bank's supply rail.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers quickly evaluate the EPM3128ATC144-10 for new designs and legacy maintenance.
Alternativas drop-in para EPM3128ATC144-10 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com EPM3128ATC144-10 (mesmo formato e footprint) — diferindo em Package, Operating Temperature, RoHS Status, Configuration Memory, Propagation Delay (tPD).
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EPM3128ATC144-10N
✅ Drop-In✓ Em estoque
$6.56 / unidade
Ver ficha técnica →EPM3128ATC144-7N
✅ Drop-In✓ Em estoque
$9.25 / unidade
Ver ficha técnica →EPM3128ATC144-7
✅ Drop-In✓ Em estoque
$8.1 / unidade
Ver ficha técnica →EPM3128ATC100-10
✅ Drop-In✓ Em estoque
$8.1 / unidade
Ver ficha técnica →EPM3128ATC100-10N
✅ Drop-In✓ Em estoque
$5.2 / unidade
Ver ficha técnica →EPM3128ATC144-10 Classificações máximas e características elétricas
| Family | MAX 3000A |
| Device Type | CPLD (Complex Programmable Logic Device) |
| Macro Cells | 128 |
| User I/Os | 96 |
| Usable Gates | 2,500 (typical) |
| Logic Elements / LABs | 4 Logic Array Blocks |
| Propagation Delay (tPD) | 10 ns (speed grade -10) |
| Counter Frequency (fCNT) | Up to 227.3 MHz |
| Supply Voltage (VCCINT) | 3.3 V |
| MultiVolt I/O Interface | 1.5V / 1.8V / 2.5V / 3.3V |
| In-System Programmability | IEEE Std. 1532 compliant |
| Boundary-Scan Test | IEEE Std. 1149.1 (JTAG) |
| Configuration Memory | EEPROM (non-volatile, instant-on) |
| Encapsulamento | 144-pin TQFP (TQ144) |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | 0C to +70C (commercial) |
| Status RoHS | Compliant |
| Lead-Free | Yes |
Configuração de pinos do EPM3128ATC144-10
| Pino 1 | OE1/GCLK2 — Global output enable or secondary global clock input |
| Pino 2 | I/O — User I/O pin |
| Pino 3 | I/O — User I/O pin |
| Pino 4 | I/O — User I/O pin |
| Pino 5 | I/O — User I/O pin |
| Pino 6 | I/O — User I/O pin |
| Pino 7 | I/O — User I/O pin |
| Pino 8 | VCCIO — I/O supply voltage |
| Pino 9 | I/O — User I/O pin |
| Pino 10 | I/O — User I/O pin |
| Pino 11 | I/O — User I/O pin |
| Pino 12 | GND — Ground |
| Pino 13 | I/O — User I/O pin |
| Pino 14 | I/O — User I/O pin |
| Pino 15 | I/O — User I/O pin |
| Pino 16 | I/O — User I/O pin |
| Pino 17 | I/O — User I/O pin |
| Pino 18 | I/O — User I/O pin |
| Pino 19 | I/O — User I/O pin |
| Pino 20 | I/O — User I/O pin |
| Pino 21 | GND — Ground |
| Pino 22 | I/O — User I/O pin |
| Pino 23 | I/O — User I/O pin |
| Pino 24 | I/O — User I/O pin |
| Pino 25 | I/O — User I/O pin |
| Pino 26 | I/O — User I/O pin |
| Pino 27 | I/O — User I/O pin |
| Pino 28 | I/O — User I/O pin |
| Pino 29 | I/O — User I/O pin |
| Pino 30 | I/O — User I/O pin |
| Pino 31 | TDI — JTAG Test Data In (IEEE 1149.1) |
| Pino 32 | VCCIO — I/O supply voltage |
| Pino 33 | TDO — JTAG Test Data Out (IEEE 1149.1) |
| Pino 34 | I/O — User I/O pin |
| Pino 35 | TMS — JTAG Test Mode Select (IEEE 1149.1) |
| Pino 36 | I/O — User I/O pin |
| Pino 37 | TCK — JTAG Test Clock (IEEE 1149.1) |
| Pino 38 | GND — Ground |
| Pino 39 | I/O — User I/O pin |
| Pino 40 | I/O — User I/O pin |
| Pino 41 | I/O — User I/O pin |
| Pino 42 | I/O — User I/O pin |
| Pino 43 | GCLK1 — Global clock input 1 |
| Pino 44 | OE2/GCLK3 — Global output enable or global clock 3 |
| Pino 45 | I/O — User I/O pin |
| Pino 46 | I/O — User I/O pin |
| Pino 47 | I/O — User I/O pin |
| Pino 48 | I/O — User I/O pin |
| Pino 49 | GND — Ground |
| Pino 50 | I/O — User I/O pin |
| Pino 51 | I/O — User I/O pin |
| Pino 52 | I/O — User I/O pin |
| Pino 53 | I/O — User I/O pin |
| Pino 54 | I/O — User I/O pin |
| Pino 55 | I/O — User I/O pin |
| Pino 56 | I/O — User I/O pin |
| Pino 57 | VCCIO — I/O supply voltage |
| Pino 58 | I/O — User I/O pin |
| Pino 59 | I/O — User I/O pin |
| Pino 60 | I/O — User I/O pin |
| Pino 61 | I/O — User I/O pin |
| Pino 62 | I/O — User I/O pin |
| Pino 63 | I/O — User I/O pin |
| Pino 64 | I/O — User I/O pin |
| Pino 65 | I/O — User I/O pin |
| Pino 66 | GND — Ground |
| Pino 67 | I/O — User I/O pin |
| Pino 68 | I/O — User I/O pin |
| Pino 69 | I/O — User I/O pin |
| Pino 70 | I/O — User I/O pin |
| Pino 71 | I/O — User I/O pin |
| Pino 72 | I/O — User I/O pin |
| Pino 73 | I/O — User I/O pin |
| Pino 74 | I/O — User I/O pin |
| Pino 75 | I/O — User I/O pin |
| Pino 76 | I/O — User I/O pin |
| Pino 77 | GND — Ground |
| Pino 78 | I/O — User I/O pin |
| Pino 79 | I/O — User I/O pin |
| Pino 80 | I/O — User I/O pin |
| Pino 81 | I/O — User I/O pin |
| Pino 82 | I/O — User I/O pin |
| Pino 83 | I/O — User I/O pin |
| Pino 84 | I/O — User I/O pin |
| Pino 85 | I/O — User I/O pin |
| Pino 86 | I/O — User I/O pin |
| Pino 87 | GND — Ground |
| Pino 88 | I/O — User I/O pin |
| Pino 89 | I/O — User I/O pin |
| Pino 90 | I/O — User I/O pin |
| Pino 91 | I/O — User I/O pin |
| Pino 92 | I/O — User I/O pin |
| Pino 93 | I/O — User I/O pin |
| Pino 94 | I/O — User I/O pin |
| Pino 95 | VCCIO — I/O supply voltage |
| Pino 96 | I/O — User I/O pin |
| Pino 97 | I/O — User I/O pin |
| Pino 98 | I/O — User I/O pin |
| Pino 99 | I/O — User I/O pin |
| Pino 100 | GND — Ground |
| Pino 101 | I/O — User I/O pin |
| Pino 102 | I/O — User I/O pin |
| Pino 103 | I/O — User I/O pin |
| Pino 104 | I/O — User I/O pin |
| Pino 105 | I/O — User I/O pin |
| Pino 106 | I/O — User I/O pin |
| Pino 107 | I/O — User I/O pin |
| Pino 108 | I/O — User I/O pin |
| Pino 109 | I/O — User I/O pin |
| Pino 110 | VCCINT — Core supply voltage (3.3V) |
| Pino 111 | I/O — User I/O pin |
| Pino 112 | I/O — User I/O pin |
| Pino 113 | I/O — User I/O pin |
| Pino 114 | I/O — User I/O pin |
| Pino 115 | I/O — User I/O pin |
| Pino 116 | I/O — User I/O pin |
| Pino 117 | I/O — User I/O pin |
| Pino 118 | GND — Ground |
| Pino 119 | I/O — User I/O pin |
| Pino 120 | I/O — User I/O pin |
| Pino 121 | I/O — User I/O pin |
| Pino 122 | I/O — User I/O pin |
| Pino 123 | I/O — User I/O pin |
| Pino 124 | I/O — User I/O pin |
| Pino 125 | I/O — User I/O pin |
| Pino 126 | I/O — User I/O pin |
| Pino 127 | I/O — User I/O pin |
| Pino 128 | GND — Ground |
| Pino 129 | I/O — User I/O pin |
| Pino 130 | I/O — User I/O pin |
| Pino 131 | I/O — User I/O pin |
| Pino 132 | I/O — User I/O pin |
| Pino 133 | I/O — User I/O pin |
| Pino 134 | I/O — User I/O pin |
| Pino 135 | VCCIO — I/O supply voltage |
| Pino 136 | I/O — User I/O pin |
| Pino 137 | I/O — User I/O pin |
| Pino 138 | I/O — User I/O pin |
| Pino 139 | I/O — User I/O pin |
| Pino 140 | I/O — User I/O pin |
| Pino 141 | I/O — User I/O pin |
| Pino 142 | I/O — User I/O pin |
| Pino 143 | I/O — User I/O pin |
| Pino 144 | I/O — User I/O pin |
Aplicações típicas
EPM3128ATC144-10 é adequado para 6 aplicaçãos: Microcontroller I/O Expansion and Bus Decoding, Industrial Control and Factory Automation, Legacy Telecom and Networking Equipment, Display Interface and Video Timing Controller, Power Supply Sequencing and Hot-Swap Control, Automotive Infotainment and Body Electronics.
Microcontroller I/O Expansion and Bus Decoding
The EPM3128ATC144-10's 96 user I/Os and 128 macro cells make it an ideal I/O expander for 8-bit and 16-bit microcontrollers that lack sufficient pins. With a deterministic 10 ns propagation delay and 3.3V core with multi-voltage I/O, it can decode 24-bit address buses, generate chip-select signals for memory banks, and arbitrate multiple peripheral requests in real time. The EEPROM-based instant-on configuration eliminates firmware boot latency - critical in industrial controllers that must respond within microseconds of power-up. Use it for address decoding, peripheral chip-select generation, and glue-logic between the MCU and external devices such as SRAM, Flash, ADCs, or UARTs. The 4-LAB architecture comfortably accommodates 8-to-16 address line decoders while leaving headroom for status LEDs and interrupt steering.
Recomendado
Industrial Control and Factory Automation
In industrial PLCs, motor controllers, and factory automation systems, the EPM3128ATC144-10 serves as the deterministic glue logic between sensors, optocouplers, and the central processor. Its 10 ns tPD ensures sub-microsecond response to safety interrupts - critical for E-stop circuits and overcurrent shutdown where 1 ms of latency can cause equipment damage. The commercial 0C-to-70C operating range suits factory floor environments, while the JTAG (IEEE 1149.1) boundary-scan test interface simplifies in-circuit test on densely populated control boards. The 96 I/Os easily handle 32 digital inputs, 16 relay-driver outputs, 4 quadrature-decoder channels for encoder feedback, and an RS-485 transceiver interface - all within a single device. Multi-voltage I/O bank support allows direct interface to 5V sensors and 3.3V logic in mixed-voltage systems without level shifters.
Recomendado
Legacy Telecom and Networking Equipment
Telecom backplane systems, T1/E1 line cards, and legacy router line-interface modules continue to deploy the EPM3128ATC144-10 for HDLC framing, time-slot assignment, and bus-isolation functions. With counter frequencies up to 227.3 MHz, the device can implement UART baud-rate generators, HDLC bit-stuffers, and 8B/10B line-code state machines at standard telecom bit rates. The instant-on non-volatile EEPROM configuration prevents the line card from transmitting garbage frames during FPGA-based host-processor firmware load - a critical reliability advantage. The 144-pin TQFP package provides the I/O count needed for 8-bit parallel PCM highway interfaces, while the multi-voltage I/O banks interface directly to 1.8V FPGAs and 3.3V PHY devices. Designers value its -40C-to-85C industrial temperature variants for outdoor cabinet deployments.
Recomendado
Display Interface and Video Timing Controller
The EPM3128ATC144-10 is widely used in LCD/LED display controller boards, video projectors, and digital signage systems where it generates pixel clocks, horizontal/vertical sync, and blanking signals. Its 227.3 MHz counter speed easily handles SVGA (800x600 at 60 Hz, 40 MHz pixel clock) and XGA (1024x768 at 60 Hz, 65 MHz pixel clock) timing requirements. The 10 ns propagation delay gives designers generous margin for sync-pulse generation and inter-channel skew control. With 96 I/Os, the device can drive 24-bit parallel RGB interfaces plus separate HSYNC, VSYNC, DE, and clock signals while also handling backlight PWM dimming and OSD pixel overlay. The deterministic timing eliminates the need for software calibration - a major advantage over MCU-based timing generation.
Recomendado
Power Supply Sequencing and Hot-Swap Control
Multi-rail systems (FPGA + DDR memory + ASIC + transceivers) require precisely ordered power-up and power-down to prevent latch-up and in-rush damage. The EPM3128ATC144-10 implements this sequencing with 96 I/Os that can monitor PG (power-good) signals from 8-to-12 regulators and sequence their enable pins in user-defined order with millisecond-resolution delays. Its EEPROM-based instant-on configuration ensures the sequencing logic is active before any of the rails are stable - unlike an MCU-based sequencer that needs firmware boot time. The deterministic 10 ns propagation delay allows glitch-free hot-swap insertion detection with sub-microsecond response. Designers can also implement fault logging, retry logic, and I2C/PMBus status reporting on spare I/Os.
Recomendado
Automotive Infotainment and Body Electronics
Body control modules, instrument clusters, and infotainment head units in legacy automotive platforms use the EPM3128ATC144-10 for CAN/LIN bus bridging, headlight matrix control, and stepper-motor driving for HVAC dampers. With 96 user I/Os, it can manage 8-to-12 LIN slaves, decode CAN-FD message IDs, and drive stepper motor H-bridges simultaneously. The MAX 3000A architecture's deterministic 10 ns timing is critical for CAN bus arbitration - jitter from soft-core logic could cause bit-stuffing errors. Designers appreciate the JTAG boundary-scan interface for in-circuit test on densely populated automotive PCBs, where probe access is limited. Note: for AEC-Q100 qualified automotive applications, the EPM3128ATC144-10N industrial-grade variant is preferred.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EPM3128ATC144-10 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EPM3128ATC144-10N | EPM3128ATC144-7N | EPM3128ATC144-7 | EPM3128ATC100-10 | EPM3128ATC100-10N |
|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | TQFP-144 | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-100 - smaller | TQFP-100 - smaller |
| Macro Cells | 128 | 128 | 128 | 128 | 128 | 128 |
| User I/Os | 96 | 96 | 96 | 96 | 80 | 80 |
| Propagation Delay (tPD) | 10 ns | 10 ns | 7.5 ns (faster) | 7.5 ns (faster) | 10 ns | 10 ns |
| Core Voltage (VCCINT) | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| RoHS / Lead-Free | RoHS / Lead-Free | RoHS / Lead-Free (N-suffix) | RoHS / Lead-Free (N-suffix) | Leaded finish | Leaded finish | RoHS / Lead-Free (N-suffix) |
| Programming Compatibility | IEEE 1532 ISP, JTAG | Bitstream-compatible | Bitstream-compatible (same family) | Bitstream-compatible (same family) | Bitstream-compatible (smaller pinout) | Bitstream-compatible (smaller pinout) |
Principais diferenciais
- Drop-in RoHS-compliant variant exists for new designs (vs EPM3128ATC144-10N)
- Faster speed grade available in same package (vs EPM3128ATC144-7N)
- Smaller-package variant for cost-down designs (vs EPM3128ATC100-10N)
Notas de projeto
Estimated: at 3.3V VCCINT and 96 I/Os each switching at 10 MHz with 30 pF external load, the EPM3128ATC144-10's dynamic current consumption can reach approximately 80-120 mA. Place at least four 0.1 uF X7R ceramic decoupling capacitors within 5 mm of the VCCINT and VCCIO pins (one per quadrant of the TQFP-144 package). Add a single 10 uF tantalum or ceramic bulk capacitor near the package to handle simultaneous switching transients on multiple I/O banks. The I/O supply voltage (VCCIO) determines the output logic high level - for 3.3V LVCMOS output to 1.8V LVCMOS inputs, use a 1.8V VCCIO bank with internal level-shifting enabled in the Quartus II pin planner.
Route the JTAG signals (TDI, TDO, TMS, TCK) in a star topology from the JTAG connector to the CPLD, with TCK having a series 33 ohm damping resistor within 25 mm of the device to prevent ringing on the rising edge of the 10 MHz (or higher) test clock. Avoid routing JTAG signals parallel to fast-switching I/O traces for more than 25 mm to prevent crosstalk into the JTAG state machine. The TQFP-144 has a 0.5 mm pitch - ensure your PCB fabrication capability supports 0.4 mm via-to-trace clearance and 0.15 mm trace width for escape routing from inner rows.
A common mistake is to assume the EPM3128ATC144-10 is drop-in compatible with the EPM7128AETC144-10N from the MAX 7000A family. Although both share the 144-pin TQFP package, they have different JTAG IDs, different programming files, different macro cell architectures, and different VCC requirements - they are NOT bitstream-compatible. Always recompile your Quartus II project with the correct device family selected before programming. Another pitfall is mixing up the -10 and -10N suffixes: both are functional equivalents but only the -10N has RoHS-compliant lead-free terminal finish - choose the -10N for new designs requiring Pb-free assembly.
For designs with multiple high-speed clock outputs (e.g., DDR memory interfaces), use the dedicated GCLK1 input (pin 43) as the primary clock source and route it with a 50 ohm microstrip trace and 33 ohm source-termination resistor. Assign clock outputs to the same I/O bank to minimize bank-to-bank skew. For designs using the JTAG boundary-scan for in-circuit test, ensure the TRST pin (if present in your variant) is tied high through a 10 kohm resistor to VCCIO to keep the JTAG TAP controller in known state during power-up; do not leave TRST floating.
Informações de conformidade
RoHS compliant per Altera product page. The 'N' suffix denotes lead-free finish - choose EPM3128ATC144-10N for explicit RoHS compliance. AEC-Q100 qualification is NOT available - for automotive applications requiring it, migrate to EPM240T100C5N (MAX II family) with additional qualification testing.
