EPM3064ATC44-10N - 64-Macro Cell MAX 3000A CPLD | Altera
MPN: EPM3064ATC44-10N ✓ Hoạt độngEPM3064ATC44-10N Tóm tắt
A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL-like macro cells into a single IC with deterministic timing, in-system programmability, and instant-on behavior. Within the broader programmable logic taxonomy, CPLDs sit between small PAL/GAL devices and FPGAs: they offer lower logic density than FPGAs but provide faster, more predictable timing, lower power, and non-volatile configuration that does not require an external boot PROM. CPLDs are typically used for glue logic, bus interfacing, state-machine control, and I/O expansion rather than high-density data-path processing.
Key features of the EPM3064ATC44-10N include IEEE Std. 1149.1 (JTAG) boundary-scan test support, IEEE Std. 1532-compliant in-system programmability (ISP), MultiVolt I/O interfacing that allows mixed-voltage operation, and an enhanced pin-locking mechanism that preserves pin assignments across design iterations. The device uses EEPROM configuration memory, so designs remain programmed without external memory and are ready at power-on with zero configuration time.
Architecturally, the MAX 3000A family employs a Classic MAX architecture in which each macro cell contains a product-term AND array feeding a programmable OR/registered output, with a separate, global interconnect (PIA, Programmable Interconnect Array) that fans signals into all LABs. This architecture produces fixed, deterministic tPD timing independent of routing density, making timing closure far simpler than for SRAM-based FPGAs and supporting designs up to roughly 192 MHz counter operation at the -10 speed grade.
Typical applications include bus-interface glue logic, address decoding and chip-select generation, power-sequencing controllers, peripheral I/O expansion, and replacement of discrete TTL/CMOS logic in industrial and communications equipment. Designers also use the EPM3064ATC44-10N as a low-cost boot-logic or configuration supervisor in FPGA-based systems.
When designing with this part, observe the 3.3 V core supply and MultiVolt I/O voltage-mixing rules, keep unused I/O pins configured as outputs or terminated to avoid floating inputs, and respect the JTAG chain layout guidelines in the MAX 3000A datasheet to preserve ISP reliability across in-field reprogramming.
This page synthesizes distributor pricing, drop-in same-package alternatives within the MAX 3000A family, JTAG/ISP programming guidance, and TQFP-44 PCB-layout considerations that are not consolidated on any single manufacturer or distributor page.
Bộ thay thế dễ dàng lắp đặt cho EPM3064ATC44-10N — 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 EPM3064ATC44-10N (cùng hình factor và footprint) — khác nhau ở Package, RoHS Status, Usable Gates, Operating Temperature, Maximum Counter Frequency.
EPM3064ATC44-7N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPM3064ATC44-4N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPM3064ATC44-10
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPM3064ALI44-10N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPM3064ALC44-10N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPM3064ALC44-7N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPM3064ALC44-4N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPM3064ATC44-10N Tỷ lệ tối đa & tính chất điện
| Family | MAX 3000A |
| Device Type | CPLD (Complex Programmable Logic Device) |
| Usable Gates | 1250 |
| Macro Cells | 64 |
| User I/O Pins | 34 |
| Logic Array Blocks (LABs) | 4 |
| Pin-to-Pin Delay (tPD) | 10 ns |
| Maximum Counter Frequency | 192.3 MHz |
| Supply Voltage (VCCINT) | 3.3 V |
| I/O Standard | MultiVolt (mixed 1.5 V / 1.8 V / 2.5 V / 3.3 V) |
| Configuration Memory | EEPROM (non-volatile) |
| In-System Programming | IEEE Std. 1532 compliant |
| Boundary-Scan Test | IEEE Std. 1149.1 (JTAG) compliant |
| Hộp | TQFP-44 (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | 0C to +70C (commercial) |
| Trạng thái RoHS | Compliant |
| Pin-Locking | Yes (across design iterations) |
Cấu hình chân EPM3064ATC44-10N
| Chân 1 | I/O — User I/O pin |
| Chân 2 | I/O — User I/O pin |
| Chân 3 | I/O — User I/O pin |
| Chân 4 | I/O — User I/O pin |
| Chân 5 | I/O — User I/O pin |
| Chân 6 | I/O — User I/O pin |
| Chân 7 | I/O — User I/O pin |
| Chân 8 | I/O — User I/O pin |
| Chân 9 | I/O — User I/O pin |
| Chân 10 | GND — Ground |
| Chân 11 | I/O — User I/O pin |
| Chân 12 | I/O — User I/O pin |
| Chân 13 | I/O — User I/O pin |
| Chân 14 | I/O — User I/O pin |
| 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 pin |
| Chân 19 | I/O — User I/O pin |
| Chân 20 | I/O — User I/O pin |
| Chân 21 | VCCINT — Core supply voltage (3.3 V) |
| Chân 22 | I/O — User I/O pin |
| Chân 23 | I/O — User I/O pin |
| Chân 24 | I/O — User I/O pin |
| Chân 25 | I/O — User I/O pin |
| Chân 26 | I/O — User I/O pin |
| Chân 27 | I/O — User I/O pin |
| Chân 28 | I/O — User I/O pin |
| Chân 29 | INPUT/GCLK — Dedicated clock input |
| Chân 30 | INPUT/OE2 — Dedicated output enable input |
| Chân 31 | I/O — User I/O pin |
| Chân 32 | I/O — User I/O pin |
| Chân 33 | I/O — User I/O pin |
| Chân 34 | I/O — User I/O pin |
| Chân 35 | I/O — User I/O pin |
| Chân 36 | I/O — User I/O pin |
| Chân 37 | I/O — User I/O pin |
| Chân 38 | TDO — JTAG Test Data Out |
| Chân 39 | GND — Ground |
| Chân 40 | VCCIO — I/O supply voltage (MultiVolt) |
| Chân 41 | I/O — User I/O pin |
| Chân 42 | I/O — User I/O pin |
| Chân 43 | I/O — User I/O pin |
| Chân 44 | I/O — User I/O pin |
Ứng dụng tiêu biểu
EPM3064ATC44-10N phù hợp cho 7 Áp dụngs: Bus-Interface Glue Logic, Address Decoding and Chip-Select Generation, FPGA Configuration and Boot-Logic Supervisor, State-Machine and Control Logic, Peripheral I/O Expansion, TTL/CMOS Logic Replacement, Communications Protocol Bridging.
Bus-Interface Glue Logic
The EPM3064ATC44-10N is ideally suited for bus-interface glue-logic applications: address decoding, chip-select generation, wait-state insertion, and protocol bridging between microprocessors, memory, and peripherals. Its 64 macro cells provide enough capacity to implement multi-bank address decoding across a 24- or 32-bit address bus, while the 10 ns tPD keeps decode-to-enable latency well within modern memory access cycles. MultiVolt I/O allows direct interfacing between 3.3 V logic on one bus and 5 V-tolerant or 2.5 V devices on the other without external level shifters. The JTAG/ISP interface (IEEE 1149.1/1532) enables in-field reprogramming for late-stage bus-protocol changes without board rework.
Được đề xuất
Address Decoding and Chip-Select Generation
For address-decoding and chip-select generation in microprocessor systems, the EPM3064ATC44-10N's combinational macro cells and 10 ns tPD deliver fast, deterministic propagation from address-input to chip-select-output, eliminating the timing-skew issues of discrete 74LS/HC decoder chains. The 1250 usable gates comfortably handle 8- to 16-way bank selection plus wait-state insertion logic. EEPROM non-volatility means the decode map is intact at power-on with zero boot time, unlike SRAM-based FPGAs that require configuration loading. The TQFP-44 footprint with 34 user I/Os supports full address plus chip-select fan-out in a compact 10x10 mm outline.
Được đề xuất
FPGA Configuration and Boot-Logic Supervisor
In FPGA-based systems, the EPM3064ATC44-10N is frequently deployed as a configuration supervisor: it sequences power rails, gates the FPGA's PROG_B or nCONFIG pin, monitors DONE status, and selects between multiple bitstream images at boot. The 10 ns tPD and 192.3 MHz counter frequency are fast enough to enforce sub-microsecond FPGA reset-to-DONE timing windows. The JTAG/ISP interface allows in-system reprogramming of the supervisor CPLD itself, useful for late-stage power-sequencing fixes. EEPROM non-volatility ensures the supervisor is ready before any downstream FPGA begins configuration.
Được đề xuất
State-Machine and Control Logic
The EPM3064ATC44-10N is a strong fit for implementing Moore and Mealy state machines in industrial control, motor sequencing, and protocol-state applications where deterministic timing matters. Each macro cell provides a programmable register with dedicated clock, reset, and output enable, enabling 32- to 64-state FSMs to be implemented cleanly with registered outputs. The deterministic tPD simplifies worst-case timing analysis since routing delay does not vary with design complexity as it does in FPGAs. JTAG-based design iteration via the IEEE 1149.1/1532 interface allows in-system state-machine debugging and firmware updates.
Được đề xuất
Peripheral I/O Expansion
For peripheral I/O expansion on microcontrollers or DSPs that have insufficient native GPIO, the EPM3064ATC44-10N provides 34 user I/O pins plus JTAG-controlled register read/write, expanding I/O count without redesigning the host processor. The 3.3 V VCCINT plus MultiVolt I/O banks allow direct interfacing to 1.8 V, 2.5 V, and 3.3 V peripherals. Macro cells implement shift registers, debouncers, and PWM generators in a single IC, replacing several 74-series logic chips. The 10 ns tPD supports polled I/O at typical MCU SPI/I2C bit rates without bottleneck.
Được đề xuất
TTL/CMOS Logic Replacement
The EPM3064ATC44-10N is a classic one-chip replacement for clusters of 74LS, 74HC, and 74F-series TTL/CMOS glue logic, consolidating 5-15 small-scale integration packages into a single TQFP-44 device. Designers migrating legacy designs to lead-free BOMs can re-implement the discrete logic in the EPM3064ATC44-10N, preserving PCB layout while modernizing the part list. The 1250 usable gates provide enough capacity for complete address decode, bus arbitration, and interrupt control logic. EEPROM non-volatility means the consolidated design retains its functionality indefinitely without external boot memory.
Được đề xuất
Communications Protocol Bridging
The EPM3064ATC44-10N implements small protocol-bridging functions between UART, SPI, I2C, and parallel bus peripherals where pin-count and timing constraints rule out soft IP in a microcontroller. The 10 ns tPD supports parallel-bus bridging at typical embedded speeds, and the JTAG/ISP interface allows late-stage protocol-firmware updates. MultiVolt I/O lets the CPLD bridge between 1.8 V sensor buses and 3.3 V host MCUs without external level shifters. EEPROM non-volatility ensures bridge configuration persists across power cycles with no boot delay.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EPM3064ATC44-10N — 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 | EPM3064ATC44-7N | EPM3064ATC44-4N | EPM3064ATC44-10 | EPM3064ALI44-10N | EPM3064ALC44-10N |
|---|---|---|---|---|---|---|
| Package | TQFP-44 (10x10 mm) | TQFP-44 - same | TQFP-44 - same | TQFP-44 - same | TQFP-44 - same | TQFP-44 - same |
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Pin-to-Pin Delay (tPD) | 10 ns | 7.5 ns (faster) | 4.5 ns (fastest) | 10 ns (same) | 10 ns (same) | 10 ns (same) |
| Macro Cells | 64 | 64 | 64 | 64 | 64 | 64 |
| User I/Os | 34 | 34 | 34 | 34 | 34 | 34 |
| Counter Frequency | 192.3 MHz | 222.2 MHz | 285.7 MHz | 192.3 MHz | 192.3 MHz | 192.3 MHz |
| Operating Temperature | 0C to +70C (commercial) | 0C to +70C (commercial) | 0C to +70C (commercial) | 0C to +70C (commercial) | -40C to +85C (industrial) | 0C to +70C (commercial) |
| Lead-Free / RoHS | Yes (N suffix) | Yes | Yes | No (legacy finish) | Yes | Yes |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
Bảo phân biệt quan trọng
- Lowest-cost lead-free variant in -10 speed grade (vsEPM3064ATC44-7N)
- Commercial temperature grade, lead-free finish (vsEPM3064ALI44-10N)
- RoHS-compliant lead-free finish (vsEPM3064ATC44-10)
Ghi chú thiết kế
The EPM3064ATC44-10N draws approximately 35-50 mA typical ICCINT from the 3.3 V supply, plus I/O switching current proportional to toggle frequency. Place one 0.1 uF ceramic decoupling capacitor within 3 mm of each VCCINT (pin 21) and VCCIO (pin 40) pin, and add a bulk 10 uF tantalum or ceramic capacitor on the supply rail. According to the MAX 3000A datasheet, VCCINT ripple above 100 mV pk-pk can cause configuration-memory read errors during ISP; keep the supply well-bypassed.
For the TQFP-44 package, route JTAG signals (TDI pin 15, TMS pin 16, TCK pin 18, TDO pin 38) as short, impedance-controlled traces (typically 50 ohm) with no stubs. The TCK trace should be length-matched to within 25 mm of TMS and TDI to prevent ISP programming failures. Keep all four JTAG signals away from switching signal traces and clock lines to avoid coupling noise into the boundary-scan logic.
When using MultiVolt I/O to interface between 3.3 V VCCINT and 5 V peripherals, configure VCCIO to 3.3 V and rely on the I/O cells' 5 V-tolerant input structures. Do not drive 5 V outputs into a CPLD with VCCIO set below 3.0 V, as the input clamping diodes will forward-bias and inject current into the supply rail. Per the datasheet, unused I/O pins must be configured as outputs driving low (or inputs with internal pull-up enabled) to prevent floating-input oscillation that can increase ICC and couple noise into adjacent signals.
Common design pitfalls include: (1) omitting the TCK pull-down resistor, which leaves the JTAG state machine in an undefined state at power-up and prevents ISP programming; (2) using the EPM3064ATC44-10 in a socketed configuration that adds too much capacitance to TCK/TMS, causing ISP timing violations; (3) forgetting that MultiVolt I/O banks can be set per-pin but VCCINT must be 3.3 V +/- 0.3 V; (4) tying multiple I/O pins together without considering the macro-cell's drive strength (8 mA IOL typical). Always validate timing with the MAX+PLUS II or Quartus timing analyzer before committing to PCB layout.
Thông tin tuân thủ
RoHS-compliant per 'N' suffix designation in Altera/Intel part numbering. Lead-free matte-tin finish. AEC-Q100 not applicable for commercial-grade CPLD; industrial-grade variants (EPM3064ALI44-10N) extend operating temperature range but are not automotive-qualified.
