EPM3128ATC144-5N - MAX 3000A 128-Macro 5ns CPLD | Altera
MPN: EPM3128ATC144-5N ⚠ Last Time Buy| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $23.98 | $23.98 |
| 10 | $21.2 | $212.00 |
| 100 | $18.45 | $1,845.00 |
| 500 | $15.9 | $7,950.00 |
| 1,000 | $13.75 | $13,750.00 |
Drop-in alternatives for EPM3128ATC144-5N — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EPM3128ATC144-10N
✅ Drop-In✓ In Stock
$6.56 / Unit
View Datasheet →EPM3128ATC144-5
✅ Drop-In✓ In Stock
$4.85 / Unit
View Datasheet →EPM3128ATC144-10
✅ Drop-In✓ In Stock
$6.2 / Unit
View Datasheet →EPM3128ATC100-5N
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$8.2 / Unit
View Datasheet →EPM3064ATC100-10N
✅ Drop-In✓ In Stock
$2.43 / Unit
View Datasheet →EPM3032ATC44-10N
✅ Drop-In✓ In Stock
$2.46 / Unit
View Datasheet →EPM3128ATC144-5N Maximum Ratings & Electrical Characteristics
| Family | MAX 3000A |
| Device Type | CPLD - Complex Programmable Logic Device |
| Logic Family | CMOS |
| Macrocells | 128 |
| Usable Gates | 2500 |
| User I/O | 96 |
| Pin-to-Pin Logic Delay | 5 ns |
| Counter Frequency | up to 227.3 MHz |
| Supply Voltage (Core) | 3.3 V |
| I/O Logic Levels Supported | 5.0 V / 3.3 V / 2.5 V (MultiVolt) |
| In-System Programmability | Yes (3.3-V via JTAG) |
| JTAG Boundary Scan | IEEE Std 1149.1 compliant |
| Package | 144-pin TQFP (20x20 mm) |
| Operating Temperature | 0C to 70C (Commercial) |
| RoHS Status | Compliant (lead-free) |
| Mounting Type | Surface Mount |
EPM3128ATC144-5N 144-pin tqfp (20x20 mm) Pin Configuration Guide
Complete pinout information for EPM3128ATC144-5N (144-pin tqfp (20x20 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for EPM3128ATC144-5N.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
EPM3128ATC144-5N is suitable for 6 applications: Processor Address Bus Decoding, Industrial Control Glue Logic, Bus Arbitration and Interface Bridging, Power-Up Sequencing and Reset Controllers, Peripheral I/O Expansion and Multiplexing, Telecom Line Card Interface Logic.
Processor Address Bus Decoding
The EPM3128ATC144-5N is widely used as an address decoder between a microprocessor/microcontroller and memory or peripheral devices. Its 5 ns pin-to-pin delay ensures the chip-select signals are valid well before the processor's memory access timing window closes, eliminating wait states on fast buses. The 128 macro cells comfortably handle complex memory maps with chip-enable, output-enable, and write-enable logic for multiple banks, while 96 user I/Os provide ample connections for 24-32 bit address buses plus control signals. The non-volatile EEPROM configuration means the decoder comes up active at power-on with no boot delay.
Recommended
Industrial Control Glue Logic
In industrial automation and motor control systems, the EPM3128ATC144-5N consolidates discrete 74-series logic (decoders, multiplexers, flip-flops, state machines) into a single programmable device. The 96 user I/Os interface directly to 5.0 V sensors, 3.3 V logic, and 2.5 V DSP/MCU signals via MultiVolt I/O. Industrial glue-logic functions such as safety interlocks, PWM blanking, fault latching, and communication-protocol bit-banging fit comfortably in 128 macro cells. The deterministic 5 ns timing is critical for safety functions where unpredictable FPGA place-and-route delays would be unacceptable.
Recommended
Bus Arbitration and Interface Bridging
The EPM3128ATC144-5N bridges asynchronous bus protocols (e.g. ISA-to-PCI bridges, memory-to-peripheral, or parallel-to-multiplexed conversions) with deterministic timing guarantees. Its 96 user I/Os and 128 macro cells are well-suited for multi-master arbitration logic, dual-ported memory interfaces, and protocol-conversion state machines. The instant-on non-volatile configuration eliminates the configuration-latency issue that FPGAs exhibit, which is critical when the CPLD must arbitrate bus access at reset. JTAG in-system programmability allows field firmware updates without removing the part.
Recommended
Power-Up Sequencing and Reset Controllers
The EPM3128ATC144-5N serves as a multi-rail power supply sequencer in networking equipment, servers, and telecom hardware where multiple voltage rails must come up in a specific order with precise delays. The 128 macro cells provide enough logic to implement cascade turn-on chains for 6-8 rails with adjustable delays, fault monitoring, and watchdog functions. Critically, the non-volatile EEPROM-based configuration means the sequencer is active at t=0 of power-up, before any MCU or FPGA can boot - a function that volatile-configuration FPGAs cannot perform without external supervision.
Recommended
Peripheral I/O Expansion and Multiplexing
When an MCU or ASIC runs short of GPIO pins, the EPM3128ATC144-5N provides up to 96 additional I/Os multiplexed or expanded from a smaller host pin count. The device can implement I2C-to-parallel port expanders, SPI-to-GPIO bridges, keyboard scan matrices, or 7-segment display drivers. MultiVolt I/O lets the CPLD talk directly to 5 V peripherals while interfacing with a 3.3 V or 2.5 V host MCU on the same chip - eliminating discrete level shifters. The 227.3 MHz internal counter supports high-speed SPI clock generation.
Recommended
Telecom Line Card Interface Logic
In telecom line cards and access equipment, the EPM3128ATC144-5N implements E1/T1 framers, HDLC controllers, time-slot interchangers, and alarm-monitoring logic with deterministic timing. The 96 I/Os connect directly to TDM buses, status LEDs, and backplane signals via 5 V / 3.3 V MultiVolt I/O. 128 macro cells handle framing, error-checking, and interrupt aggregation for multiple channels. Commercial 0-70C temperature grade suits temperature-controlled central-office environments, while in-system programmability allows line-card firmware updates via JTAG.
Recommended
Recommended Products Summary
Engineering reference data for EPM3128ATC144-5N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM3128ATC144-10N | EPM3128ATC144-5 | EPM3128ATC144-10 | EPM3128ATC100-5N | EPM3064ATC100-10N |
|---|---|---|---|---|---|---|
| Package | TQFP-144 (20x20 mm) | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-100 - smaller | TQFP-100 - smaller |
| Brand | Altera (Intel FPGA) | Altera (Intel FPGA) | Altera (Intel FPGA) | Altera (Intel FPGA) | Altera (Intel FPGA) | Altera (Intel FPGA) |
| Family | MAX 3000A | MAX 3000A | MAX 3000A | MAX 3000A | MAX 3000A | MAX 3000A |
| Macrocells | 128 | 128 (same) | 128 (same) | 128 (same) | 128 (same) | 64 (-50%) |
| User I/O | 96 | 96 (same) | 96 (same) | 96 (same) | 80 (-17%) | 66 (-31%) |
| Pin-to-Pin Delay | 5 ns | 10 ns (+100%) | 5 ns (same) | 10 ns (+100%) | 5 ns (same) | 10 ns (+100%) |
| Core Voltage | 3.3 V | 3.3 V (same) | 3.3 V (same) | 3.3 V (same) | 3.3 V (same) | 3.3 V (same) |
| RoHS / Lead-Free | Yes (N suffix) | Yes (N suffix) | No (leaded) | No (leaded) | Yes (N suffix) | Yes (N suffix) |
| Lifecycle Status | Last-time-buy | Last-time-buy | Last-time-buy | Last-time-buy | Last-time-buy | Last-time-buy |
Key Differentiators
- Fastest speed grade in MAX 3000A family (vs EPM3128ATC144-10N)
- Lead-free RoHS-compliant packaging (vs EPM3128ATC144-5)
- Highest macro cell density in MAX 3000A 144-pin tier (vs EPM3064ATC100-10N)
Design Notes
Estimated: The EPM3128ATC144-5N draws approximately 80-150 mA from VCCINT (3.3 V core) and additional current from VCCIO banks, depending on I/O toggle rate and output loading. Provide at least four 0.1 uF decoupling capacitors placed within 5 mm of each VCC pin group (typically one per package corner), plus a single 10 uF bulk capacitor near the supply entry. MultiVolt I/O banks (VCCIO) may each be tied to 5.0 V, 3.3 V, or 2.5 V independently - but all VCCINT pins must share a common 3.3 V rail with low-impedance ground return.
The 144-pin TQFP package has 0.5 mm pitch leads - PCB layout must use solder-mask-defined (SMD) pads with 0.275 mm pad width and 0.20 mm solder-mask opening to prevent solder bridging. Place all four JTAG signals (TCK, TMS, TDI, TDO) on a dedicated test header or boundary-scan chain accessible from the board edge. Keep the JTAG trace lengths under 100 mm to avoid signal-integrity issues at high TCK frequencies; add 10 kohm pull-ups on TMS and TDI per IEEE 1149.1 recommendations.
Estimated: Three common pitfalls when migrating from EPM3128ATC144-5 to EPM3128ATC144-5N: (1) the 'N' suffix indicates lead-free / RoHS-compliant reflow profile - peak temperature must reach 245-250C, not the 215C of leaded parts; (2) the -5 speed grade is the fastest available - confirm Quartus fitter selects the correct device speed, as the -7 and -10 variants use identical JEDEC STAPL files but produce slower fMAX; (3) MAX 3000A devices do not have built-in pull-ups on I/O pins - external 10 kohm resistors are required for inputs that may float during power-up, otherwise inrush current can exceed 50 mA.
MultiVolt I/O outputs drive 5.0 V TTL levels when VCCIO is tied to 5 V - but the output edge rate of approximately 2-3 ns can generate significant ground bounce on parallel-bus interfaces. Place series damping resistors (22-33 ohm) on heavily-loaded address/data buses, or use the slower slew-rate I/O option in Quartus to reduce EMI. For clock outputs, route on the inner PCB layer with continuous ground plane reference and keep trace length matching within 2 mm across all clock nets.
Estimated: When migrating between TQFP-144 and TQFP-100 variants of MAX 3000A, only the inner-package pins differ in function - I/O pin assignments are NOT directly compatible. A 144-pin to 100-pin footprint adapter is required and will typically restrict usable I/Os to ~80. For new designs that may need migration, allocate pin assignments to the inner 80 I/O positions first so the design can be re-targeted to a TQFP-100 package with minimal rework.
Compliance Information
Lead-free finish confirmed by 'N' suffix per Altera/Intel ordering information. Not AEC-Q100 qualified - MAX 3000A is commercial-grade only. REACH compliance inferred from RoHS declaration; halogen-free status not explicitly stated in distributor listings.
