EPM3032ATC44-10AA - 32-Macrocell 3.3V CPLD, 10ns, 44-TQFP | Intel
MPN： EPM3032ATC44-10AA ✗ 停產EPM3032ATC44-10AA 概覽
A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL/GAL-like logic blocks with a centralized interconnect matrix. CPLDs sit in the programmable logic hierarchy between simple SPLDs (PAL/GAL) and large FPGAs; they offer instant-on (zero-configuration) behavior, deterministic timing, and high-drive I/O. The MAX 3000A family uses EEPROM configuration cells, eliminating the need for external boot memory and supporting multi-vendor ISP per IEEE Std. 1532.
Key features include 32 macrocells across 2 logic array blocks (LABs), 34 user I/O pins, 3.3 V core supply (VCCINT) with selectable 2.5 V/3.3 V/5.0 V I/O supply (VCCIO), an IEEE Std. 1149.1 JTAG boundary-scan test interface, and built-in ISP compliance per IEEE Std. 1532. The MAX architecture delivers predictable timing because routing paths through the programmable interconnect array (PIA) have fixed delays that do not depend on user logic placement.
The MAX 3000A architecture employs a classic AND-OR-XOR macrocell with a product-term allocator, shared logic expanders, and a per-macrocell flip-flop with programmable clear, preset, and clock options. The EEPROM-based configuration is one-time programmable per logic cell, with ISP re-programmability through JTAG. The I/O structure is split: VCCINT powers the core and input buffers, VCCIO powers the output drivers, allowing mixed-voltage interfacing without external level shifters. The 44-pin TQFP package provides a compact 10 mm x 10 mm footprint for surface-mount designs.
Typical applications include glue-logic integration in industrial controllers, address decoding and bus interfacing in embedded systems, state-machine replacement in motor control, I/O expansion for legacy microcontrollers, and JTAG-configured bus bridges. The instant-on behavior is valuable in safety-critical and deterministic-latency paths where FPGA configuration time is unacceptable.
When designing with this part, observe the dual-supply requirement: VCCINT must be 3.3 V, while VCCIO can be tied to 2.5 V, 3.3 V, or 5.0 V depending on the interface voltage of the connected devices. Decouple both rails locally with 0.1 F and 10 F capacitors.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical JTAG-ISP design notes not found in a single manufacturer datasheet.
直接替換替代品，適用於 EPM3032ATC44-10AA — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： EPM3032ATC44-10AA （相同外形與佔位） — 差異在於 Package, RoHS Status, Family, Configuration Memory, Pin-to-Pin Delay (tPD).
EPM3032ATC44-10N
✅ 直接替換聯絡詢價
查看資料表 →EPM3032ATC44-7AA
✅ 直接替換📋 參考替代品（不在目錄中）
EPM3032ATI44-10AA
✅ 直接替換📋 參考替代品（不在目錄中）
EPM3032ATC44-10
✅ 直接替換聯絡詢價
查看資料表 →EPM3032ALI44-10N
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →EPM3032ATC-44-10N
✅ 直接替換聯絡詢價
查看資料表 →EPM3032A-TC44-10N
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →EPM3032A-TC44-10
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →EPM3032ATC44-10AA 最大額定值與電氣特性
| 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 |
| 工作溫度 | 0C to +70C (commercial, 'C' suffix) |
| 封裝 | 44-TQFP (10 mm x 10 mm) |
| 安裝類型 | Surface Mount |
| Programmable Type | EEPROM (in-system programmable) |
| JTAG Interface | IEEE Std. 1149.1 boundary scan + IEEE Std. 1532 ISP |
| RoHS 狀態 | Compliant (lead-free 'A' suffix) |
EPM3032ATC44-10AA 腳位配置
| 腳位 1 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 2 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 3 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 4 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 5 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 6 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 7 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 8 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 9 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| 腳位 10 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| 腳位 11 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| 腳位 12 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| 腳位 13 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| 腳位 14 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| 腳位 15 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| 腳位 16 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| 腳位 17 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 18 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 19 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 20 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 21 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 22 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 23 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 24 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 25 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 26 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 27 | GND — Ground reference |
| 腳位 28 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 29 | I/O — General-purpose user I/O pin (macrocell I/O bank 1) |
| 腳位 30 | TDI — JTAG Test Data In (IEEE 1149.1) |
| 腳位 31 | TMS — JTAG Test Mode Select (IEEE 1149.1) |
| 腳位 32 | TCK — JTAG Test Clock (IEEE 1149.1) |
| 腳位 33 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| 腳位 34 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| 腳位 35 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| 腳位 36 | VCCIO — I/O driver supply voltage (2.5 V/3.3 V/5.0 V) |
| 腳位 37 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| 腳位 38 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
| 腳位 39 | GND — Ground reference |
| 腳位 40 | OE1 — Output Enable 1 (global OE control) |
| 腳位 41 | GND — Ground reference |
| 腳位 42 | VCCINT — Core supply voltage (3.3 V nominal) |
| 腳位 43 | TDO — JTAG Test Data Out (IEEE 1149.1) |
| 腳位 44 | I/O — General-purpose user I/O pin (macrocell I/O bank 2) |
典型應用
EPM3032ATC44-10AA 適用於 6 應用s: 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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
推薦產品摘要
工程參考資料，適用於 EPM3032ATC44-10AA — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | 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 |
主要差異化特點
- Lead-free RoHS-compliant 'AA' finish for worldwide regulatory compliance (對比EPM3032ATC44-10N)
- Faster 7 ns speed grade available in same 44-TQFP package (對比EPM3032ATC44-7AA)
- Industrial -40C to +85C temperature range variant available (對比EPM3032ATI44-10AA)
- Dual VCCINT/VCCIO supply rails enable direct 5 V interfacing (對比EPM240T100C5N (MAX II))
設計說明
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.
合規資訊
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.
