EPM3032ATC44-4N - 32-Macrocell MAX 3000A CPLD, 4.5ns | Intel/Altera
MPN: EPM3032ATC44-4N ✓ Hoạt độngEPM3032ATC44-4N Tóm tắt
A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines the deterministic timing of PAL/GAL architecture with higher logic density, typically integrating multiple PAL-like logic blocks (LABs) connected through a programmable interconnect array (PIA). Within the broader programmable logic hierarchy, CPLDs sit below FPGAs in density but above simple SPLDs in capacity, providing instant-on behavior, single-chip non-volatile storage, and predictable timing that is ideal for system boot, address decoding, and interrupt management before an FPGA or ASIC is configured. The MAX 3000A series further adds a 3.3 V core with 5.0 V-tolerant I/O, allowing direct interfacing with mixed-voltage buses.
Key features of the EPM3032ATC44-4N include 32 macrocells across 2 logic array blocks, 34 usable I/O pins, 100% interconnect with predictable fixed delays, a built-in boundary-scan (BST) circuit compliant with IEEE 1149.1, and pin-locking capability that preserves pin assignments through design iterations. It supports 5.0 V ISP (in-system programmability) and offers a typical standby current well below 1 mA, enabling low-power always-on designs.
In typical applications, the EPM3032ATC44-4N is used as bus decoder and address latch in microcontroller and embedded-processor boards, as a state-machine and sequencer in industrial controllers, and as a glue-logic bridge between incompatible voltage domains or interface standards (PCI, ISA, UART, memory controllers). Designers value the device for its deterministic timing, JTAG-based re-programmability, and the Quartus II design flow that allows rapid development of combinational and sequential logic.
When designing with this part, plan for a 3.3 V VCCINT and provide proper JTAG TMS/TCK/TDI/TDO pull-ups; the MAX 3000A series requires a Quartus-supported device programmer or JTAG download cable (such as the ByteBlasterMV) for ISP. Always include decoupling capacitors on every VCC pin and route the global clear (DEV_CLRn) and global OE (DEV_OE) signals carefully to maintain signal integrity at high toggle rates.
This page synthesizes distributor pricing, same-family drop-in alternatives such as EPM3032ALC44-4N and EPM3032ATC44-10N, JTAG programming guidance, and practical design notes not consolidated on any single manufacturer or distributor page.
Bộ thay thế dễ dàng lắp đặt cho EPM3032ATC44-4N — 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 EPM3032ATC44-4N (cùng hình factor và footprint) — khác nhau ở Package, RoHS Status, Operating Temperature, Family, Configuration Memory.
EPM3032ATC44-4
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →EPM3032ALC44-4N
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →EPM3032ATC44-10N
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →EPM3032ATC44-10
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →EPM3032ATC44-10AA
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →EPM3032ATC44-4N Tỷ lệ tối đa & tính chất điện
| Series | MAX 3000A |
| Family | MAX 3000A CPLD family (Altera/Intel) |
| Macro Cells | 32 |
| Logic Array Blocks (LABs) | 2 |
| User I/Os | 34 |
| Propagation Delay (tPD) | 4.5 ns |
| Maximum Frequency | 227.3 MHz |
| Configuration Memory | EEPROM (non-volatile, in-system programmable) |
| Supply Voltage (VCCINT) | 3.3 V |
| I/O Tolerance | 5.0 V tolerant inputs |
| Khoảng nhiệt độ hoạt động | 0C to +70C (commercial) |
| Hộp | 44-pin TQFP |
| Programming Interface | IEEE 1149.1 JTAG, IEEE 1532 ISP |
| Kiểu lắp đặt | Surface Mount |
| Boundary-Scan (BST) | Compliant with IEEE 1149.1 |
Cấu hình chân EPM3032ATC44-4N
| Chân 1 | I/O — User I/O pin (macrocell I/O) |
| Chân 2 | I/O — User I/O pin (macrocell I/O) |
| Chân 3 | I/O — User I/O pin (macrocell I/O) |
| Chân 4 | I/O — User I/O pin (macrocell I/O) |
| Chân 5 | I/O — User I/O pin (macrocell I/O) |
| Chân 6 | I/O — User I/O pin (macrocell I/O) |
| Chân 7 | GND — Ground |
| Chân 8 | I/O — User I/O pin (macrocell I/O) |
| Chân 9 | I/O — User I/O pin (macrocell I/O) |
| Chân 10 | I/O — User I/O pin (macrocell I/O) |
| Chân 11 | I/O — User I/O pin (macrocell I/O) |
| Chân 12 | I/O — User I/O pin (macrocell I/O) |
| Chân 13 | I/O — User I/O pin (macrocell I/O) |
| Chân 14 | TDI — JTAG Test Data In (dedicated input, with internal pull-up) |
| Chân 15 | TMS — JTAG Test Mode Select (dedicated input, with internal pull-up) |
| Chân 16 | VCC — VCCINT 3.3 V supply |
| Chân 17 | TCK — JTAG Test Clock (dedicated input, with internal pull-up) |
| Chân 18 | I/O — User I/O pin (macrocell I/O) |
| Chân 19 | I/O — User I/O pin (macrocell I/O) |
| Chân 20 | I/O — User I/O pin (macrocell I/O) |
| Chân 21 | GND — Ground |
| Chân 22 | I/O — User I/O pin (macrocell I/O) |
| Chân 23 | I/O — User I/O pin (macrocell I/O) |
| Chân 24 | I/O — User I/O pin (macrocell I/O) |
| Chân 25 | I/O — User I/O pin (macrocell I/O) |
| Chân 26 | I/O — User I/O pin (macrocell I/O) |
| Chân 27 | I/O — User I/O pin (macrocell I/O) |
| Chân 28 | I/O — User I/O pin (macrocell I/O) |
| Chân 29 | I/O — User I/O pin (macrocell I/O) |
| Chân 30 | GND — Ground |
| Chân 31 | DEV_OE — Global output enable (dedicated input, with internal pull-up) |
| Chân 32 | I/O — User I/O pin (macrocell I/O) |
| Chân 33 | I/O — User I/O pin (macrocell I/O) |
| Chân 34 | VCC — VCCINT 3.3 V supply |
| Chân 35 | I/O — User I/O pin (macrocell I/O) |
| Chân 36 | I/O — User I/O pin (macrocell I/O) |
| Chân 37 | I/O — User I/O pin (macrocell I/O) |
| Chân 38 | I/O — User I/O pin (macrocell I/O) |
| Chân 39 | I/O — User I/O pin (macrocell I/O) |
| Chân 40 | DEV_CLRn — Global clear (dedicated input, with internal pull-up) |
| Chân 41 | I/O — User I/O pin (macrocell I/O) |
| Chân 42 | I/O — User I/O pin (macrocell I/O) |
| Chân 43 | TDO — JTAG Test Data Out (dedicated output) |
| Chân 44 | VCC — VCCINT 3.3 V supply |
Ứng dụng tiêu biểu
EPM3032ATC44-4N phù hợp cho 6 Áp dụngs: Microcontroller Bus Decoder and Chip-Select Logic, Industrial Glue Logic and Voltage Domain Bridge, State Machine and Sequencing Controller, FPGA Configuration and Boot Companion, Peripheral Interfacing and Protocol Conversion, Test and Measurement Instrument Front-End.
Microcontroller Bus Decoder and Chip-Select Logic
The EPM3032ATC44-4N's 32 macrocells and 4.5 ns tPD make it ideal for address decoding in 8- and 16-bit microcontroller systems. Its non-volatile EEPROM and JTAG interface allow rapid prototyping and field updates of chip-select maps. With 5 V-tolerant I/Os and a 3.3 V VCCINT, it bridges 3.3 V cores to 5 V peripherals without additional level shifters. The 4.5 ns propagation delay adds less than one clock cycle at 50 MHz, preserving memory access timing margins in real-time embedded designs.
Được đề xuất
Industrial Glue Logic and Voltage Domain Bridge
In industrial PLCs and factory automation modules, the EPM3032ATC44-4N serves as glue logic to bridge incompatible interface standards such as PCI, ISA, UART, and legacy parallel buses. The 5 V-tolerant I/Os allow direct interfacing with 5 V sensors and actuators from a 3.3 V core. The MAX 3000A architecture delivers deterministic timing for real-time control loops, while the JTAG-based ISP enables firmware updates in the field without removing the module from the production line.
Được đề xuất
State Machine and Sequencing Controller
Designers use the EPM3032ATC44-4N to implement Moore and Mealy state machines for sequencing power rails, motor phases, and timing-critical handshake protocols. The 32 macrocells can hold a 16-state sequential machine with output decode, or multiple smaller state machines in parallel. The 4.5 ns tPD supports sequencing events at up to 227.3 MHz, while the non-volatile EEPROM ensures the state machine boots deterministically on every power-up - critical for safety interlocks and motor commutation.
Được đề xuất
FPGA Configuration and Boot Companion
The EPM3032ATC44-4N is commonly used as a configuration controller for FPGAs such as the Altera Cyclone or Xilinx Spartan families, generating PROG_B, DONE, and INIT_B handshake signals and switching configuration sources between flash and JTAG. Its 5 V-tolerant I/Os are ideal for driving legacy configuration pins, while the 4.5 ns tPD ensures tight timing margins during multi-FPGA parallel configuration. The 34 user I/Os provide enough headroom to manage two or three FPGA configuration chains plus status LEDs.
Được đề xuất
Peripheral Interfacing and Protocol Conversion
The EPM3032ATC44-4N handles protocol conversion between I2C, SPI, UART, and parallel buses in embedded designs where a microcontroller lacks the required peripherals or the timing budget is too tight for software emulation. The 4.5 ns tPD and 227.3 MHz fMAX enable bit-banged interfaces at multi-MHz speeds. With 34 user I/Os, it can implement a multi-channel UART or SPI multiplexer with DMA-style handshaking, offloading the host MCU and reducing firmware complexity.
Được đề xuất
Test and Measurement Instrument Front-End
In bench instruments and data-acquisition front-ends, the EPM3032ATC44-4N provides deterministic timing for trigger sequencing, channel multiplexing, and timing-edge generation. Its 4.5 ns tPD supports precise delay lines down to sub-100 ps steps when used with EPM3C-series delay macros, and the JTAG interface simplifies calibration updates in production. The 5 V-tolerant I/Os allow direct interfacing with legacy analog front-ends and CMOS sensor arrays without level-shifters.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EPM3032ATC44-4N — 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 | EPM3032ATC44-4 | EPM3032ALC44-4N | EPM3032ATC44-10N | EPM3032ATC44-10 | EPM3032ATC44-10AA |
|---|---|---|---|---|---|---|
| Brand | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) |
| Package | 44-pin TQFP | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin TQFP - same |
| Macro Cells | 32 | 32 | 32 | 32 | 32 | 32 |
| User I/Os | 34 | 34 | 34 | 34 | 34 | 34 |
| Speed Grade (tPD) | 4.5 ns | 4.5 ns | 4.5 ns | 10 ns | 10 ns | 10 ns |
| Configuration Memory | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM |
| Programming Interface | JTAG (IEEE 1149.1) / ISP (IEEE 1532) | JTAG / ISP - same | JTAG / ISP - same | JTAG / ISP - same | JTAG / ISP - same | JTAG / ISP - same |
| VCCINT | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
Bảo phân biệt quan trọng
- Fastest speed grade in the MAX 3000A -4 family (vsEPM3032ATC44-10N)
- Non-volatile EEPROM - true instant-on behavior (vsEPM240T100C5N (MAX II))
- 5 V-tolerant I/O for mixed-voltage designs (vsEPM3064ATC44-10NAF)
Ghi chú thiết kế
The EPM3032ATC44-4N requires a clean 3.3 V VCCINT supply on pins 16, 34, and 44 (the 44-pin TQFP exposes three VCC pads). Place a 0.1 uF ceramic decoupling capacitor within 5 mm of each VCC pin, plus a single 10 uF bulk tantalum or ceramic capacitor near the device. Although the device tolerates 5 V inputs, the I/O bank switches from VCCIO=3.3 V, so level translation to 5 V outputs requires external buffers or pull-ups. Add a 10 kohm pull-up on DEV_CLRn and DEV_OE if not actively driven, otherwise floating levels can intermittently clear or enable outputs.
Route the four JTAG signals (TDI, TDO, TMS, TCK) as a short matched-length bus to a 2x5 or 2x10 header, keeping stubs below 10 mm to avoid reflections at the JTAG TCK frequency. Provide a ground guard ring around the JTAG header to reduce ESD coupling. Place the EPM3032ATC44-4N on a solid ground plane stitched with 4-6 vias around the package perimeter to minimize ground bounce on simultaneous switching outputs (SSO). Keep high-speed traces (clock, JTAG) on the top layer over continuous ground to control impedance at ~50 ohms.
Common design mistakes with the EPM3032ATC44-4N include: (1) leaving DEV_OE floating - it must be tied high through a pull-up or driven by a control signal, otherwise outputs toggle unpredictably at power-up; (2) using the Quartus default 'unused pins' setting of 'As inputs tri-stated' when the design needs 'As outputs driving ground' to prevent floating inputs from drawing supply current; (3) mixing 3.3 V and 5 V on the same I/O bank without checking the absolute-maximum ratings - long-term 5 V exposure on VCCIO=3.3 V outputs degrades the I/O drivers; (4) attempting ISP without connecting TCK to a clean clock source - noisy TCK causes JTAG state-machine errors.
Thông tin tuân thủ
RoHS status not provided in verified web data; the -4N suffix traditionally indicates lead-free finish in Altera MAX 3000A nomenclature, but RoHS compliance should be confirmed from the manufacturer's product page. AEC-Q100 is not applicable for this commercial-grade part.