EPM3032ALC44-4 - 32-Macrocell 4.5ns CPLD | Altera MAX 3000A
MPN: EPM3032ALC44-4 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.9959 | $2.00 |
| 10 | $1.8 | $18.00 |
| 100 | $1.55 | $155.00 |
| 500 | $1.3 | $650.00 |
| 1,000 | $1.1 | $1,100.00 |
Drop-in alternatives for EPM3032ALC44-4 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 βEPM3032ALC44-10
β Drop-Inβ In Stock
$0.98 / Unit
View Datasheet βEPM3032A-TC44-10N
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$5.4 / Unit
View Datasheet βEPM3032A-TC44-10
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$7.45 / Unit
View Datasheet βEPM7032AELC44-10N
β Drop-Inπ Reference alternative (not in catalog)
EPM3032ALC44-4 Maximum Ratings & Electrical Characteristics
| Family | MAX 3000A |
| Macrocells | 32 |
| Logic Array Blocks (LABs) | 2 |
| User I/O Pins | 34 |
| Pin-to-Pin Delay (tPD) | 4.5 ns |
| Maximum Counter Frequency | 227.3 MHz |
| Core Supply Voltage (VCCINT) | 3.3 V |
| I/O Supply Voltage (VCCIO) | 3.3 V (MultiVolt: 5.0 V / 3.3 V / 2.5 V compatible) |
| Usable Gates | 600 to 10,000 (MAX 3000A family range) |
| Package | 44-pin PLCC (J-Lead) |
| Operating Temperature | 0Β°C to +70Β°C (Commercial) |
| Technology | CMOS EEPROM-based |
| In-System Programmability (ISP) | Yes, IEEE Std. 1532 compliant |
| Boundary-Scan Test | IEEE Std. 1149.1 (JTAG) |
| Programming Interface | JTAG (ByteBlaster / MasterBlaster) |
| Mounting Type | Surface Mount (PLCC J-Lead) |
EPM3032ALC44-4 Pin Configuration
| Pin 1 | I/O β User I/O (macrocell-capable) |
| Pin 2 | I/O β User I/O (macrocell-capable) |
| Pin 3 | I/O β User I/O (macrocell-capable) |
| Pin 4 | I/O β User I/O (macrocell-capable) |
| Pin 5 | I/O β User I/O (macrocell-capable) |
| Pin 6 | I/O β User I/O (macrocell-capable) |
| Pin 7 | I/O β User I/O (macrocell-capable) |
| Pin 8 | I/O β User I/O (macrocell-capable) |
| Pin 9 | I/O β User I/O (macrocell-capable) |
| Pin 10 | GND β Ground |
| Pin 11 | I/O β User I/O (macrocell-capable) |
| Pin 12 | I/O β User I/O (macrocell-capable) |
| Pin 13 | I/O β User I/O (macrocell-capable) |
| Pin 14 | I/O β User I/O (macrocell-capable) |
| 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 (macrocell-capable) |
| Pin 19 | I/O β User I/O (macrocell-capable) |
| Pin 20 | I/O β User I/O (macrocell-capable) |
| Pin 21 | VCCINT β Core supply voltage (3.3 V) |
| Pin 22 | I/O β User I/O (macrocell-capable) |
| Pin 23 | I/O β User I/O (macrocell-capable) |
| Pin 24 | I/O β User I/O (macrocell-capable) |
| Pin 25 | GND β Ground |
| Pin 26 | I/O β User I/O (macrocell-capable) |
| Pin 27 | I/O β User I/O (macrocell-capable) |
| Pin 28 | I/O β User I/O (macrocell-capable) |
| Pin 29 | I/O β User I/O (macrocell-capable) |
| Pin 30 | I/O β User I/O (macrocell-capable) |
| Pin 31 | I/O β User I/O (macrocell-capable) |
| Pin 32 | I/O β User I/O (macrocell-capable) |
| Pin 33 | I/O β User I/O (macrocell-capable) |
| Pin 34 | I/O β User I/O (macrocell-capable) |
| Pin 35 | I/O β User I/O (macrocell-capable) |
| Pin 36 | I/O β User I/O (macrocell-capable) |
| Pin 37 | I/O β User I/O (macrocell-capable) |
| Pin 38 | GND β Ground |
| Pin 39 | OE1/GCLK1 β Global clock / Output enable 1 |
| Pin 40 | OE2/GCLK2 β Global clock / Output enable 2 |
| Pin 41 | TDO β JTAG Test Data Out |
| Pin 42 | I/O β User I/O (macrocell-capable) |
| Pin 43 | VCCIO β I/O supply voltage (MultiVolt) |
| Pin 44 | I/O β User I/O (macrocell-capable) |
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
EPM3032ALC44-4 is suitable for 6 applications: Microprocessor Bus Decoding and Address Mapping, Glue-Logic Replacement for Legacy 74LS/74HC Designs, Power-Up Sequencing Controller, State-Machine and Control-Plane Logic, I/O Expansion and Peripheral Interfacing, JTAG-Driven Production Programming and Boundary-Scan.
Microprocessor Bus Decoding and Address Mapping
The EPM3032ALC44-4 is purpose-built for address decoding in 8/16/32-bit microprocessor and DSP systems. Its 32 macrocells provide ample product-term capacity to decode complex chip-select logic across large memory or peripheral maps, while the 4.5 ns pin-to-pin delay fits cleanly inside one clock cycle of legacy 33-50 MHz buses. The 34 user I/Os accept full address buses up to 32 bits plus chip-select outputs. MultiVolt I/O (5.0/3.3/2.5 V) makes it ideal when bridging a 5 V processor to 3.3 V peripherals.
Recommended
Glue-Logic Replacement for Legacy 74LS/74HC Designs
Designers consolidating discrete 74LS and 74HC glue logic benefit from the EPM3032ALC44-4's 32 macrocells in a single 44-pin PLCC. A typical 74LS138 + 74LS32 + 74LS08 board section can collapse to one CPLD, reducing board area, BOM count, and trace routing complexity. The 4.5 ns pin-to-pin delay equals or beats standard 74LS propagation delays, while instant-on EEPROM configuration eliminates the need for a separate boot PROM. Programming via JTAG shortens prototype iterations dramatically.
Recommended
Power-Up Sequencing Controller
Multi-rail systems require deterministic power-up sequencing, and the EPM3032ALC44-4 is well suited to this role. Its EEPROM-based configuration guarantees known logic states at the instant VCC ramps past threshold, while the 4.5 ns pin-to-pin delay supports fast comparator-based sequencing across 5-10 rails. The 34 I/Os accommodate EN pins, PGOOD inputs, and rail-on outputs for an entire ATX or POL-based power tree. The commercial 0-70Β°C range covers most indoor power-supply environments.
Recommended
State-Machine and Control-Plane Logic
Deterministic timing makes the EPM3032ALC44-4 ideal for state-machine-heavy control planes in industrial controllers, motor drives, and instrumentation. With 227.3 MHz maximum counter frequency, fast Moore/Mealy machines can run comfortably at 50-100 MHz system clocks. The 32 macrocells and 34 I/Os allow multiple parallel state machines in one device, replacing 3-5 PAL/GALs. JTAG-driven ISP supports field firmware updates without removing the board from service.
Recommended
I/O Expansion and Peripheral Interfacing
Microcontrollers with limited GPIO can offload I/O expansion to the EPM3032ALC44-4, using its 34 I/Os as parallel I/O, multiplexed bus, or shift-register extension. The 4.5 ns pin-to-pin delay preserves timing margins even when driving multiple high-speed peripherals. MultiVolt I/O (5.0/3.3/2.5 V) lets one CPLD interface legacy 5 V sensors and modern 2.5 V ASICs simultaneously. EEPROM configuration means the expansion logic is always available at first power-up.
Recommended
JTAG-Driven Production Programming and Boundary-Scan
IEEE 1149.1 JTAG compliance lets the EPM3032ALC44-4 act as both a programmed CPLD and a JTAG-controlled resource in production boundary-scan test (BST) chains. The IEEE 1532 ISP feature streamlines concurrent in-system programming across mixed-vendor PLD boards, accelerating end-of-line programming time. With 34 user I/Os, the device can also serve as a JTAG-controlled level shifter or bus isolator. MasterBlaster and ByteBlaster cables are supported by the original programming tools.
Recommended
Recommended Products Summary
Engineering reference data for EPM3032ALC44-4 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM3032ALC44-10N | EPM3032ALC44-10 | EPM3032A-TC44-10N | EPM7032AELC44-10N |
|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera |
| 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 |
| Macrocells | 32 | 32 | 32 | 32 | 32 |
| Logic Array Blocks (LABs) | 2 | 2 | 2 | 2 | 2 |
| User I/O Pins | 34 | 34 | 34 | 34 | 36 |
| Pin-to-Pin Delay | 4.5 ns | 10 ns | 10 ns | 10 ns | 10 ns |
| Max Counter Frequency | 227.3 MHz | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Core Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Family | MAX 3000A | MAX 3000A | MAX 3000A | MAX 3000A | MAX 7000A |
Key Differentiators
- Fastest speed grade in the MAX 3000A 44-pin PLCC family (vs EPM3032ALC44-10N)
- MultiVolt I/O supports 5.0/3.3/2.5 V mixed-voltage designs (vs EPM7032AELC44-10N)
- On-chip EEPROM for instant-on boot without external PROM (vs EPM240T100C5N (MAX II))
Design Notes
Place 0.1 Β΅F decoupling capacitors within 3 mm of every VCCINT and VCCIO pin, with a single 10 Β΅F bulk tantalum or ceramic capacitor at the board-level supply entry. The 44-pin PLCC J-Lead package has four GND pins (10, 25, 38 plus one additional - verify with pin table) that should all be connected to a low-impedance ground plane. Use a 4-layer PCB if possible; the EEPROM configuration is sensitive to VCCINT rail noise during programming.
The EPM3032ALC44-4's MultiVolt I/O interface lets VCCIO be driven at 5.0 V, 3.3 V, or 2.5 V independently of VCCINT (3.3 V). When interfacing 5 V inputs, ensure VCCIO is set to 3.3 V and the source is TTL-compatible (the input is 5 V tolerant per the datasheet). For 2.5 V systems, set VCCIO to 2.5 V. Mixing voltage domains in one design without proper VCCIO partitioning can cause latch-up or long-term reliability degradation.
Do not assume that the EPM3032ALC44-4 is in production - it is obsolete at Altera (now Intel FPGA). Plan a last-time-buy if your product lifecycle exceeds 2-3 years, or migrate to the MAX II EPM240 family or MAX V 5M40ZE64, which are in-production equivalents. Note that newer MAX II/MAX V parts use TQFP or EQFP packages and require PCB rework - they are NOT pin-compatible drop-ins for the 44-pin PLCC footprint.
Reserve a 2x5 0.1-inch JTAG header on the board (TCK, TMS, TDI, TDO, VCC, GND) for in-system programming via ByteBlaster or MasterBlaster cables. IEEE 1149.1 boundary-scan testing also uses this header, so position it for easy production-line probe access. Add a 4.7 kΞ© pull-up on TMS and TDI to keep the JTAG state machine in a known state during power-up. Do not place series resistors on JTAG signals - they degrade the TCK edge rate.
Compliance Information
RoHS compliance data is not present in the verified web data and is marked [DATA_NEEDED]. The part is from the legacy MAX 3000A family originally released before widespread RoHS adoption; verification with the specific distributor lot is required.
