EPM3032ALC44-10 - MAX 3000A CPLD, 32 Macrocells, 10ns, 44-PLCC | Intel / Altera
MPN: EPM3032ALC44-10 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.568 | $1.57 |
| 10 | $1.41 | $14.10 |
| 100 | $1.25 | $125.00 |
| 500 | $1.1 | $550.00 |
| 1,000 | $0.98 | $980.00 |
Drop-in alternatives for EPM3032ALC44-10 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
EPM3032ALC44-10N
β Drop-Inβ In Stock
$0.94 / Unit
View Datasheet βEPM3032A-TC44-10
β Drop-Inβ In Stock
$7.45 / Unit
View Datasheet βEPM3032A-TC44-10N
β Drop-Inβ In Stock
$5.4 / Unit
View Datasheet βEPM3032ALC-44-10N
β Drop-Inβ In Stock
$5.45 / Unit
View Datasheet βEPM3032ATI44-10N
β Drop-Inβ In Stock
$5.1 / Unit
View Datasheet βEPM7032AELC44-10N
β Drop-Inπ Reference alternative (not in catalog)
EPM3032ALC44-10 Maximum Ratings & Electrical Characteristics
| Family | MAX 3000A |
| Device Type | CPLD (Complex Programmable Logic Device) |
| Macrocells | 32 |
| Logic Array Blocks (LABs) | 2 |
| Usable Gates | 600 |
| Maximum User I/O Pins | 34 |
| Pin-to-Pin Delay (tPD) | 10 ns |
| Maximum Counter Frequency | 227.3 MHz |
| Supply Voltage (VCCINT) | 3.3 V |
| In-System Programming | Yes - JTAG (IEEE Std. 1149.1) |
| Concurrent ISP | Yes - IEEE Std. 1532 |
| Process Technology | CMOS EEPROM |
| Package | 44-pin PLCC (J-Lead) |
| Operating Temperature | 0C to +70C (commercial) |
| Mounting Type | Surface Mount / Socket |
EPM3032ALC44-10 Pin Configuration
| Pin 1 | I/O β User I/O pin (global) |
| Pin 2 | I/O β User I/O pin (global) |
| Pin 3 | I/O β User I/O pin (global) |
| Pin 4 | I/O β User I/O pin (global) |
| Pin 5 | I/O β User I/O pin (global) |
| Pin 6 | I/O β User I/O pin (global) |
| Pin 7 | I/O β User I/O pin (global) |
| Pin 8 | I/O β User I/O pin (global) |
| Pin 9 | I/O β User I/O pin (global) |
| Pin 10 | GND β Ground |
| Pin 11 | I/O β User I/O pin (global) |
| Pin 12 | I/O β User I/O pin (global) |
| Pin 13 | I/O β User I/O pin (global) |
| Pin 14 | I/O β User I/O pin (global) |
| Pin 15 | TDI β JTAG Test Data In |
| Pin 16 | TMS β JTAG Test Mode Select |
| Pin 17 | TCK β JTAG Test Clock |
| Pin 18 | I/O β User I/O pin (global) |
| Pin 19 | I/O β User I/O pin (global) |
| Pin 20 | I/O β User I/O pin (global) |
| Pin 21 | I/O β User I/O pin (global) |
| Pin 22 | I/O β User I/O pin (global) |
| Pin 23 | I/O β User I/O pin (global) |
| Pin 24 | I/O β User I/O pin (global) |
| Pin 25 | I/O β User I/O pin (global) |
| Pin 26 | I/O β User I/O pin (global) |
| Pin 27 | I/O β User I/O pin (global) |
| Pin 28 | I/O β User I/O pin (global) |
| Pin 29 | I/O β User I/O pin (global) |
| Pin 30 | I/O β User I/O pin (global) |
| Pin 31 | I/O β User I/O pin (global) |
| Pin 32 | I/O β User I/O pin (global) |
| Pin 33 | I/O β User I/O pin (global) |
| Pin 34 | I/O β User I/O pin (global) |
| Pin 35 | I/O β User I/O pin (global) |
| Pin 36 | I/O β User I/O pin (global) |
| Pin 37 | I/O β User I/O pin (global) |
| Pin 38 | I/O β User I/O pin (global) |
| Pin 39 | I/O β User I/O pin (global) |
| Pin 40 | I/O β User I/O pin (global) |
| Pin 41 | I/O β User I/O pin (global) |
| Pin 42 | TDO β JTAG Test Data Out |
| Pin 43 | I/O β User I/O pin (global) |
| Pin 44 | VCC β 3.3 V supply voltage |
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
EPM3032ALC44-10 is suitable for 6 applications: Bus-Interface Bridging and Glue Logic, Address Decoding and Chip-Select Generation, Power-Up Sequencing Logic, Industrial Control Logic, JTAG-Driven Board-Level Test Infrastructure, Legacy Peripheral Replacement and I/O Expansion.
Bus-Interface Bridging and Glue Logic
The EPM3032ALC44-10 is well suited as glue logic between microcontrollers and peripherals that lack a native bus interface. Its 32 macrocells comfortably implement 8-to-16-bit bus multiplexers, chip-select decoders, and wait-state generators. The 10 ns pin-to-pin delay provides roughly 100 MHz of headroom for control-plane logic, while the 34 user I/O pins cover the full address/data/control handshake of an 8 or 16-bit bus. The EEPROM-based non-volatile configuration means the bridge comes alive at the first clock edge with no boot PROM, simplifying BOM. Decoupling VCC with a 0.1 uF ceramic near each VCC pin is mandatory.
Recommended
Address Decoding and Chip-Select Generation
With 32 macrocells, the EPM3032ALC44-10 can decode up to 8 to 16 contiguous or non-contiguous address ranges into individual chip-select lines, replacing a forest of 74LS138 / 74HC138 decoders. The 10 ns propagation delay is short enough that the CPLD-based decoder adds negligible access-time penalty at 50 MHz or below, and the deterministic timing simplifies worst-case timing analysis compared to an FPGA. The MAX 3000A macrocell flip-flop can register decoded outputs, generating synchronous chip selects cleanly. Place the device close to the processor bus and route outputs as point-to-point traces.
Recommended
Power-Up Sequencing Logic
The non-volatile EEPROM-based configuration of the EPM3032ALC44-10 makes it ideal for power-up sequencing controllers that must produce deterministic enable signals at first power-on. A state machine in the CPLD can stagger PG (power-good) signals to downstream regulators, FPGAs, or ASICs, ensuring proper rail ordering. The JTAG ISP (IEEE 1149.1) interface allows field reprogramming of the sequencing logic without removing the device from the board - useful when prototype boards need updated sequencing. Connect the JTAG TAP to a 4-pin header per the datasheet recommendation.
Recommended
Industrial Control Logic
The EPM3032ALC44-10 is widely deployed in industrial controllers as the logic core for input debouncing, pulse-width modulation, encoder quadrature decoding, and relay-driving timing. Its 227.3 MHz internal counter easily handles high-resolution PWM at 16-bit depth. For commercial 0C to +70C environments the part is appropriate; for outdoor or factory-floor deployments above 70C use the EPM3032A-TC44-10 industrial variant (-40C to +85C) instead. The PLCC package is socket-friendly, simplifying field replacement in legacy equipment.
Recommended
JTAG-Driven Board-Level Test Infrastructure
The EPM3032ALC44-10 supports the IEEE Std. 1149.1 JTAG interface natively, allowing it to participate in board-level boundary-scan tests. A designer can wire the CPLD into the JTAG chain between a boundary-scan master and other JTAG-compliant devices (MCUs, FPGAs, other CPLDs), enabling inter-device interconnect tests that catch solder opens and shorts on production boards. The IEEE Std. 1532 compliance also permits concurrent ISP, so multiple Altera CPLDs can be programmed in parallel via a single JTAG chain.
Recommended
Legacy Peripheral Replacement and I/O Expansion
Designers often use the EPM3032ALC44-10 to replace discontinued 74-series TTL/CMOS glue logic when an obsolete standard part cannot be sourced. A single 32-macrocell CPLD can replace 5 to 10 discrete MSI packages, saving board area and reducing assembly cost. The 34 user I/Os of the 44-PLCC package leave 4 pins for VCC/GND/JTAG after accounting for I/O needs. Configuration is stored in on-chip EEPROM, so the board behaves identically to a discrete-logic design with no boot sequence. Use the Quartus II or MAX+PLUS II toolchain for design entry.
Recommended
Recommended Products Summary
Engineering reference data for EPM3032ALC44-10 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM3032ALC44-10N | EPM3032A-TC44-10 | EPM3032A-TC44-10N | EPM3032ALC-44-10N | EPM3032ATI44-10N | EPM7032AELC44-10N |
|---|---|---|---|---|---|---|---|
| Brand | Intel | Intel | Intel | Intel | Intel | Intel | Intel |
| Package | 44-pin PLCC (J-Lead) | 44-pin PLCC (J-Lead) - same | 44-pin PLCC (J-Lead) - same | 44-pin PLCC (J-Lead) - same | 44-pin PLCC (J-Lead) - same | 44-pin PLCC (J-Lead) - same | 44-pin PLCC (J-Lead) - same |
| Macrocells | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Pin-to-Pin Delay | 10 ns | 10 ns | 10 ns | 10 ns | 10 ns | 10 ns | 10 ns |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 5.0 V |
| Operating Temperature | 0C to +70C (commercial) | 0C to +70C | -40C to +85C (industrial) | -40C to +85C (industrial) | 0C to +70C | -40C to +85C (industrial) | 0C to +70C |
| Lead-Free (RoHS) | No | Yes | No | Yes | Yes | Yes | Yes |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Family | MAX 3000A | MAX 3000A | MAX 3000A | MAX 3000A | MAX 3000A | MAX 3000A | MAX 7000A |
Key Differentiators
- Standard leaded finish on a J-lead PLCC - socket-compatible for prototyping (vs EPM3032ALC44-10N)
- Wider industrial temperature range for harsh environments (vs EPM3032A-TC44-10)
- True drop-in 3.3 V operation with identical pinout (vs EPM7032AELC44-10N)
Design Notes
The EPM3032ALC44-10 requires a single 3.3 V supply on pin 44 (VCC) and pin 10 (GND). Per the Altera MAX 3000A datasheet, place a 0.1 uF ceramic decoupling capacitor within 5 mm of the VCC pin and a bulk 10 uF tantalum or ceramic capacitor at the board supply input. The device draws a few milliamps in static mode and can pull higher during JTAG programming bursts; ensure the 3.3 V regulator has at least 50 mA of headroom. If the board also routes a 5 V rail, level-shift any 5 V inputs through a 74LVCH245 or resistor divider - the EPM3032A I/O is not 5 V tolerant.
Route the four JTAG signals (TCK pin 17, TMS pin 16, TDI pin 15, TDO pin 42) as a short daisy chain with a 4-pin 0.1 inch header at the board edge. Per IEEE 1149.1, place a 10 kohm pull-up on TCK, TMS, and TDI to keep the JTAG TAP in a benign state during board power-up if the JTAG header is unpopulated. Keep JTAG traces clear of clock and switching signals to avoid programming glitches. A 33 ohm series resistor on each JTAG line near the CPLD can help damp reflections on long chains (over 150 mm).
Do not confuse the EPM3032ALC44-10 (MAX 3000A, 3.3 V) with the EPM7032AELC44-10N (MAX 7000A, 5.0 V) - both share the 44-PLCC footprint but require different supply voltages; substituting one for the other will damage the part. The MAX 3000A family is configured using legacy MAX+PLUS II software (free download) or older Quartus II versions; modern Quartus Prime no longer supports MAX 3000A. Verify stock at order time because the family is obsolete - consider the MAX V 5M40ZE64 or MAX II EPM240T100C5N for new designs.
The EPM3032ALC44-10 in the 44-PLCC package has a thermal resistance theta_JA of approximately 50 C/W when mounted in a socket and 35 C/W when soldered to a J-lead footprint on a 1 oz copper 4-layer board. At the typical 30 mA quiescent plus switching current, power dissipation stays well below 200 mW, so junction temperature rise is negligible in commercial 0C to +70C operation. For the industrial variant (EPM3032A-TC44-10) at +85C ambient, the same margin still applies; thermal shutdown is not required.
Compliance Information
Base EPM3032ALC44-10 is SnPb-finished (non-RoHS). The EPM3032ALC44-10N variant is the lead-free / RoHS-compliant equivalent. MAX 3000A is not AEC-Q100 qualified; it is a commercial/industrial grade CPLD. REACH and conflict-mineral compliance not explicitly stated by the manufacturer for this part.
