EPM3032ALC44-4 - 32-Macrocell 4.5ns CPLD | Altera MAX 3000A
MPN: EPM3032ALC44-4 ✗ Cuối đờiEPM3032ALC44-4 Tóm tắt
What is a CPLD? A Complex Programmable Logic Device is a non-volatile programmable logic device that sits between simple PAL/GAL devices and high-density FPGAs in the programmable logic hierarchy. CPLDs (Complex Programmable Logic Device -> Programmable Logic Device -> Logic IC -> Integrated Circuit -> Semiconductor) provide fast, deterministic propagation delays, instant-on operation from on-chip EEPROM, and predictable timing that makes them ideal for glue logic, bus decoding, and control-plane functions. The MAX 3000A family is positioned at the entry-level of Altera's CPLD portfolio, providing 600 to 10,000 usable gates with 3.3-V in-system programmability (ISP).
Key features of the EPM3032ALC44-4 include counter frequencies up to 227.3 MHz, IEEE Std. 1149.1 JTAG interface for boundary-scan testing, and IEEE Std. 1532-compliant ISP that allows concurrent in-system programming across multiple PLD vendors. The device provides a low-power, EEPROM-based architecture that retains configuration without an external boot PROM, instant-on at power-up, and is fabricated on advanced CMOS technology. Commercial temperature grading supports 0°C to +70°C ambient operation.
Architecturally, the MAX 3000A family employs a classic MAX-style interconnect structure where each LAB combines 16 macrocells with a global interconnect. Each macrocell contains a programmable AND/OR array, a configurable flip-flop, and product-term steering logic. The 4.5 ns pin-to-pin delay enables high-speed glue-logic replacement at clock rates that would otherwise require discrete 74-series logic, while the 227.3 MHz counter frequency supports high-performance state machines and FIFO address pointers.
Typical applications include bus decoding and address mapping in microprocessor and DSP systems, glue-logic replacement for legacy 74LS/74HC designs, power-up sequencing controllers, state-machine implementation, I/O expansion for microcontrollers, peripheral interfacing, and JTAG-driven production programming. The MultiVolt I/O makes it well suited as a voltage-level translator between 5.0 V and 3.3 V logic domains in mixed-voltage embedded designs.
When designing with the EPM3032ALC44-4, ensure the I/O bank supply (VCCIO) matches the driven logic level to avoid contention. Use the Quartus II (or legacy MAX+PLUS II) toolchain for design entry, fitting, and programming file generation. Place decoupling capacitors (0.1 µF) close to each VCC and VCCIO pin and reserve a JTAG header for ISP.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho EPM3032ALC44-4 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với EPM3032ALC44-4 (cùng hình factor và footprint) — khác nhau ở Package, Mounting Type, Pin-to-Pin Delay (tPD), Operating Temperature, Usable Gates.
EPM3032ALC44-10N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPM3032ALC44-10
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPM3032A-TC44-10N
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →EPM3032A-TC44-10
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →EPM7032AELC44-10N
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
EPM3032ALC44-4 Tỷ lệ tối đa & tính chất điện
| 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) |
| Hộp | 44-pin PLCC (J-Lead) |
| Nhiệt độ hoạt động | 0°C to +70°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) |
| Kiểu lắp đặt | Surface Mount (PLCC J-Lead) |
Cấu hình chân EPM3032ALC44-4
| Chân 1 | I/O — User I/O (macrocell-capable) |
| Chân 2 | I/O — User I/O (macrocell-capable) |
| Chân 3 | I/O — User I/O (macrocell-capable) |
| Chân 4 | I/O — User I/O (macrocell-capable) |
| Chân 5 | I/O — User I/O (macrocell-capable) |
| Chân 6 | I/O — User I/O (macrocell-capable) |
| Chân 7 | I/O — User I/O (macrocell-capable) |
| Chân 8 | I/O — User I/O (macrocell-capable) |
| Chân 9 | I/O — User I/O (macrocell-capable) |
| Chân 10 | GND — Ground |
| Chân 11 | I/O — User I/O (macrocell-capable) |
| Chân 12 | I/O — User I/O (macrocell-capable) |
| Chân 13 | I/O — User I/O (macrocell-capable) |
| Chân 14 | I/O — User I/O (macrocell-capable) |
| Chân 15 | TDI — JTAG Test Data In |
| Chân 16 | TMS — JTAG Test Mode Select |
| Chân 17 | TCK — JTAG Test Clock |
| Chân 18 | I/O — User I/O (macrocell-capable) |
| Chân 19 | I/O — User I/O (macrocell-capable) |
| Chân 20 | I/O — User I/O (macrocell-capable) |
| Chân 21 | VCCINT — Core supply voltage (3.3 V) |
| Chân 22 | I/O — User I/O (macrocell-capable) |
| Chân 23 | I/O — User I/O (macrocell-capable) |
| Chân 24 | I/O — User I/O (macrocell-capable) |
| Chân 25 | GND — Ground |
| Chân 26 | I/O — User I/O (macrocell-capable) |
| Chân 27 | I/O — User I/O (macrocell-capable) |
| Chân 28 | I/O — User I/O (macrocell-capable) |
| Chân 29 | I/O — User I/O (macrocell-capable) |
| Chân 30 | I/O — User I/O (macrocell-capable) |
| Chân 31 | I/O — User I/O (macrocell-capable) |
| Chân 32 | I/O — User I/O (macrocell-capable) |
| Chân 33 | I/O — User I/O (macrocell-capable) |
| Chân 34 | I/O — User I/O (macrocell-capable) |
| Chân 35 | I/O — User I/O (macrocell-capable) |
| Chân 36 | I/O — User I/O (macrocell-capable) |
| Chân 37 | I/O — User I/O (macrocell-capable) |
| Chân 38 | GND — Ground |
| Chân 39 | OE1/GCLK1 — Global clock / Output enable 1 |
| Chân 40 | OE2/GCLK2 — Global clock / Output enable 2 |
| Chân 41 | TDO — JTAG Test Data Out |
| Chân 42 | I/O — User I/O (macrocell-capable) |
| Chân 43 | VCCIO — I/O supply voltage (MultiVolt) |
| Chân 44 | I/O — User I/O (macrocell-capable) |
Ứng dụng tiêu biểu
EPM3032ALC44-4 phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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 0-70°C range covers most indoor power-supply environments.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EPM3032ALC44-4 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
| 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 |
Bảo phân biệt quan trọng
- Fastest speed grade in the MAX 3000A 44-pin PLCC family (vsEPM3032ALC44-10N)
- MultiVolt I/O supports 5.0/3.3/2.5 V mixed-voltage designs (vsEPM7032AELC44-10N)
- On-chip EEPROM for instant-on boot without external PROM (vsEPM240T100C5N (MAX II))
Ghi chú thiết kế
Place 0.1 µF decoupling capacitors within 3 mm of every VCCINT and VCCIO pin, with a single 10 µF 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 kΩ 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.
Thông tin tuân thủ
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.