EPM3032ATC44-10AA - 32-Macrocell 3.3V CPLD, 10ns, 44-TQFP | Intel
MPN: EPM3032ATC44-10AA ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.75 | $4.75 |
| 10 | $4.25 | $42.50 |
| 100 | $3.75 | $375.00 |
| 500 | $3.35 | $1,675.00 |
| 1,000 | $2.95 | $2,950.00 |
Drop-in alternatives for EPM3032ATC44-10AA — 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:
EPM3032ATC44-10N
✅ Drop-In✓ In Stock
$2.46 / Unit
View Datasheet →EPM3032ATC44-7AA
✅ Drop-In📋 Reference alternative (not in catalog)
EPM3032ATI44-10AA
✅ Drop-In📋 Reference alternative (not in catalog)
EPM3032ATC44-10
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →EPM3032ALI44-10N
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$2.95 / Unit
View Datasheet →EPM3032ATC-44-10N
✅ Drop-In✓ In Stock
$1.1 / Unit
View Datasheet →EPM3032A-TC44-10N
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$5.4 / Unit
View Datasheet →EPM3032A-TC44-10
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$7.45 / Unit
View Datasheet →EPM3032ATC44-10AA Maximum Ratings & Electrical Characteristics
| Series | MAX 3000A |
| Family | CPLD - Complex Programmable Logic |
| Macro Cells | 32 |
| Logic Array Blocks (LABs) | 2 |
| Usable Gates | 600 |
| Number of I/O | 34 |
| Propagation Delay (tPD) | 10 ns (max, -10 speed grade) |
| Counter Frequency | 227.3 MHz (max) |
| Supply Voltage - Core (VCCINT) | 3.0 V to 3.6 V (3.3 V nominal) |
| Supply Voltage - I/O (VCCIO) | 2.5 V / 3.3 V / 5.0 V selectable |
| Operating Temperature | 0C to +70C (commercial, 'C' suffix) |
| Package | 44-TQFP (10 mm x 10 mm) |
| Mounting Type | Surface Mount |
| Programmable Type | EEPROM (in-system programmable) |
| JTAG Interface | IEEE Std. 1149.1 boundary scan + IEEE Std. 1532 ISP |
| RoHS Status | Compliant (lead-free 'A' suffix) |
EPM3032ATC44-10AA Pin Configuration
| Pin 1 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 2 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 3 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 4 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 5 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 6 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 7 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 8 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 9 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| Pin 10 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| Pin 11 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| Pin 12 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| Pin 13 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| Pin 14 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| Pin 15 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| Pin 16 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| Pin 17 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 18 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 19 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 20 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 21 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 22 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 23 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 24 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 25 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 26 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 27 | GND — Ground reference |
| Pin 28 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 29 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| Pin 30 | TDI — JTAG Test Data In (IEEE 1149.1) |
| Pin 31 | TMS — JTAG Test Mode Select (IEEE 1149.1) |
| Pin 32 | TCK — JTAG Test Clock (IEEE 1149.1) |
| Pin 33 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| Pin 34 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| Pin 35 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| Pin 36 | VCCIO — I/O driver supply voltage (2.5 V/3.3 V/5.0 V) |
| Pin 37 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| Pin 38 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| Pin 39 | GND — Ground reference |
| Pin 40 | OE1 — Output Enable 1 (global OE control) |
| Pin 41 | GND — Ground reference |
| Pin 42 | VCCINT — Core supply voltage (3.3 V nominal) |
| Pin 43 | TDO — JTAG Test Data Out (IEEE 1149.1) |
| Pin 44 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
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
EPM3032ATC44-10AA is suitable for 6 applications: Glue Logic and Address Decoding, Industrial Control and Motor Drive I/O Expansion, Legacy Microcontroller Bus Bridge, State Machine Replacement in Test Equipment, Consumer Electronics Control Logic, Telecom Line Card Interface Logic.
Glue Logic and Address Decoding
The EPM3032ATC44-10AA is widely used as a glue-logic device that replaces discrete 74-series logic in embedded systems. With 32 macrocells and 600 usable gates, it can implement complex address decoding for memory-mapped peripherals, chip-select generation for multi-bank SRAM/Flash, and bus arbitration logic. The 10 ns tPD and 227.3 MHz counter frequency ensure the device does not become the bottleneck in 50-66 MHz memory buses, while the dual VCCINT/VCCIO rails let it bridge 3.3 V processors to 5 V peripheral logic without level shifters. JTAG ISP allows late-stage board revisions without reworking the BOM.
Recommended
Industrial Control and Motor Drive I/O Expansion
In industrial control and motor drive boards, the EPM3032ATC44-10AA serves as a deterministic-state-machine replacement for microcontrollers handling PWM generation, fault handling, and encoder decoding. The 34 user I/O pins and instant-on EEPROM-based configuration provide reliable start-up with no bootloader delay, critical for safety interlocks. The commercial 0C to +70C temperature range suits factory-floor enclosures; for harsher environments the industrial-grade EPM3032ATI44-10AA is the recommended variant. Designers typically pair it with opto-isolated gate drivers and incremental encoder interfaces.
Recommended
Legacy Microcontroller Bus Bridge
Designers use the EPM3032ATC44-10AA as a bus bridge between legacy 5 V microcontrollers (8051, PIC, AVR) and modern 3.3 V peripherals such as SD cards, SPI Flash, and color LCDs. The selectable VCCIO rail (2.5 V/3.3 V/5.0 V) directly interfaces both voltage domains without external level shifters, reducing BOM cost and PCB area. The 10 ns propagation delay keeps SPI/QSPI throughput at 25 MHz+ without skew issues, and the JTAG boundary-scan interface simplifies in-circuit test coverage on dense boards where bed-of-nails access is impossible.
Recommended
State Machine Replacement in Test Equipment
Test and measurement instruments frequently use the EPM3032ATC44-10AA to implement deterministic state machines for sequencing relays, multiplexers, and ADC sample timing. The fixed-delay MAX interconnect ensures jitter-free timing critical for high-resolution SAR and delta-sigma converters, while the IEEE 1149.1 JTAG interface enables board-level fault isolation and boundary-scan test coverage during manufacturing. The 600-gate capacity handles typical 16-to-32-state sequencers without needing FPGA configuration memory.
Recommended
Consumer Electronics Control Logic
In consumer products such as set-top boxes, appliances, and home audio/video receivers, the EPM3032ATC44-10AA replaces dozens of discrete CMOS gates with a single programmable part, simplifying board layout and reducing SKU variants. Designers can reconfigure the same PCB for different regional requirements (IR protocol, button mapping, display multiplex) by simply re-flashing the JTAG image in production. The 44-TQFP package fits the 10 mm x 10 mm footprint common in compact consumer enclosures, and the lead-free 'AA' finish meets RoHS directives worldwide.
Recommended
Telecom Line Card Interface Logic
Telecom line cards and access equipment historically use the EPM3032ATC44-10AA for HDLC framing, clock-data recovery supervision, and T1/E1 line interface control. The 3.3 V core with 5 V-tolerant VCCIO connects directly to legacy bus switches and framer ICs, while the 10 ns propagation delay supports standard 1.544 MHz/2.048 MHz TDM rates without timing closure concerns. JTAG boundary scan simplifies the FCC/NEBS compliance testing required for telecom hardware. Designers migrating to modern designs should evaluate MAX V CPLDs for long-term availability.
Recommended
Recommended Products Summary
Engineering reference data for EPM3032ATC44-10AA — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM3032ATC44-10N | EPM3032ATC44-7AA | EPM3032ATI44-10AA | EPM3032ATC44-10 |
|---|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP - same | 44-TQFP - same | 44-TQFP - same | 44-TQFP - same |
| Brand | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) |
| Speed Grade (tPD max) | 10 ns | 10 ns | 7 ns (-7 grade, faster) | 10 ns | 10 ns |
| Operating Temperature | 0C to +70C (commercial) | 0C to +70C (commercial) | 0C to +70C (commercial) | -40C to +85C (industrial) | 0C to +70C (commercial) |
| RoHS Compliance | Yes (lead-free 'A' finish) | No (non-RoHS 'N' finish) | Yes (lead-free 'A' finish) | Yes (lead-free 'A' finish) | Generic finish |
| Macrocells | 32 | 32 | 32 | 32 | 32 |
| Usable Gates | 600 | 600 | 600 | 600 | 600 |
| Number of I/O | 34 | 34 | 34 | 34 | 34 |
| VCCINT | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Lead-free RoHS-compliant 'AA' finish for worldwide regulatory compliance (vs EPM3032ATC44-10N)
- Faster 7 ns speed grade available in same 44-TQFP package (vs EPM3032ATC44-7AA)
- Industrial -40C to +85C temperature range variant available (vs EPM3032ATI44-10AA)
- Dual VCCINT/VCCIO supply rails enable direct 5 V interfacing (vs EPM240T100C5N (MAX II))
Design Notes
The EPM3032ATC44-10AA requires two separate power rails: VCCINT at 3.3 V nominal (3.0 V to 3.6 V range) for the core and input buffers, and VCCIO selectable at 2.5 V/3.3 V/5.0 V for the output drivers. Decouple each VCCINT and VCCIO pin with a 0.1 F ceramic capacitor placed within 5 mm of the package pin, plus a bulk 10 F tantalum or aluminum-polymer capacitor. Both rails must power up monotonically; failure to do so can prevent proper JTAG ISP operation. The core draws approximately 30-50 mA active and 1-2 mA standby depending on logic utilization.
Route the JTAG signals (TCK, TMS, TDI, TDO) as a daisy-chain with no stubs and keep them short (<50 mm). Place a 10 k pull-up resistor on TMS and TDI to keep the JTAG state machine in a known state at power-up. If multiple JTAG devices are on the board, ensure TDO-to-TDI traces do not cross noisy signals and that the chain order matches the Quartus BSDL file. Add a test-point on TDO for boundary-scan debug and consider a JTAG header that supports both 4-wire and 10-pin Altera USB-Blaster pinouts for production programming.
Do not assume the 44-TQFP EPM3032ATC44-10AA is a drop-in for the 44-pin PLCC EPM3032A-44 package - the TQFP and PLCC have different footprints and lead pitches (0.8 mm vs 1.27 mm). Also avoid mixing VCCINT and VCCIO - some designs mistakenly tie both to 5 V, which exceeds the absolute maximum VCCINT rating of 4.0 V and damages the device. Finally, remember that the MAX 3000A is one-time programmable per logic cell via EEPROM; ISP re-programming is supported through JTAG but in-circuit hot-plug of the JTAG chain without proper sequencing can corrupt configuration memory.
Compliance Information
RoHS compliance indicated by 'A' suffix in part number per Altera/Intel convention. REACH compliance assumed per Intel product environmental statements. AEC-Q100 not applicable as this is a commercial-grade CPLD. Halogen-free status and conflict-mineral compliance not explicitly stated in available data.
