EP3SL70F780I4LN - Stratix III L FPGA 67.5K LE, 488 I/O, FBGA-780
MPN: EP3SL70F780I4LN ⚠ רכישה אחרונהEP3SL70F780I4LN סקירה
A Field-Programmable Gate Array (FPGA) is a semiconductor integrated circuit built around an array of configurable logic blocks (CLBs), programmable routing channels, and embedded hard IP such as block RAM, DSP slices, transceivers, and PLLs. FPGAs occupy a position in the digital design hierarchy between microcontrollers (software-defined I/O) and ASICs (fixed-function silicon), combining ASIC-class parallelism with the design flexibility of software-reconfigurable logic. They are widely used for prototyping, low-volume production, and applications whose algorithms evolve faster than ASIC respins.
Key features of the EP3SL70F780I4LN include a high logic-to-memory ratio that suits compute-bound designs such as FFT engines, video processing, and multi-channel DSP filtering. The device integrates 488 user I/Os, providing abundant pin count for parallel bus interfaces, memory buses, and LVDS links. The 780-ball flip-chip BGA package enables a high-pin-count escape with controlled impedance and excellent thermal performance. Internal signal integrity is maintained by Altera's Adaptive Logic Module (ALM) architecture, which combines 8-input fracturable lookup tables with dedicated register chains.
Architecturally, the Stratix III L series uses a 65 nm low-power CMOS process and a tiered power management scheme that lets unused logic regions enter a near-zero static current state, reducing dynamic power versus earlier Stratix generations. Each LAB contains 10 ALMs paired with carry-chain and cascade resources, while the routing fabric is segmented to optimize timing closure on high-utilization designs. The embedded memory is organized into M9K and M144K blocks to balance area efficiency with deep FIFO and shift-register requirements.
Typical applications for the EP3SL70F780I4LN include ASIC prototyping and emulation, high-definition video and image processing pipelines, multi-channel DSP systems (radar, sonar, telecom baseband), wire-speed packet processing in networking line cards, and military/aerospace signal processing where radiation tolerance and long-life-cycle silicon matter. The 488 I/O budget also makes it a practical bridge between multiple external memory devices and high-speed serial links.
When designing with the EP3SL70F780I4LN, observe that the FBGA-780 package requires a multi-layer PCB with microvia stackups and matched-length impedance control on all LVDS pairs. Quartus II (legacy) or Intel Quartus Prime (current) is required for synthesis, place-and-route, and timing closure. Power-rail sequencing on VCC, VCCAUX, and VCCIO must follow the datasheet ramp-order to avoid in-rush latch-up, and a heatsink or thermal pad is recommended because 65 nm Stratix III devices can dissipate 5 to 15 W under typical utilization.
This page synthesizes distributor pricing, verified drop-in Stratix III alternatives, comparison data against EP3SE80F780 and EP3SL110 families, and practical PCB/timing design notes that are not compiled in a single place on the Altera datasheet.
חלופות תחליף ישיר עבור EP3SL70F780I4LN — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם EP3SL70F780I4LN (אותו גורם צורה וטביעת רגל) — שונים ב Speed Grade, Package, Process Technology, Family, Operating Temperature.
EP3SL70F780I3N
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EP3SL70F780I4LG
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EP3SL70F780I4L
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EP3SL70F780I4G
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EP3SL70F780I4
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EP3SL70F780I4LN דירוגים מרביים ומאפיינים חשמליים
| Family | Stratix III L (logic-optimized) |
| Logic Elements | 67,500 |
| Logic Array Blocks (LABs) | 2,700 |
| Embedded Memory | 2,699,264 bits |
| User I/Os | 488 |
| Operating Frequency (max) | 375 MHz |
| Process Node | 65 nm |
| Core Voltage | 0.9 V |
| מארז | 780-ball FC-FBGA |
| סוג הרכבה | Surface Mount |
| רמת רגישות ללחות (MSL) | 3 (168 hours) |
| טמפרטורת פעולה | -40C to +100C (industrial, I suffix) |
| Speed Grade | I4 |
| Lead-Free / RoHS | Yes (compliant per datasheet) |
מדריך תצורת פינים של EP3SL70F780I4LN 780-ball fc-fbga
תצורת פינים עבור EP3SL70F780I4LN (מארזת 780-ball fc-fbga). מעגל משולב דיגיטלי זה כולל GPIO, ממשקי תקשורת (UART, SPI, I2C) ופיני מתח. יש לעיין בגיליון הנתונים של היצרן לפונקציות פינים חלופיות ולאפשרויות תצורה. חיוני לתכנון מערכות משובצות ולפריסת PCB.
אין נתוני פריסת פינים מפורטים עבור EP3SL70F780I4LN.
עיינו ב- גיליון נתונים עבור תצורת פינים מלאה.
יישומים טיפוסיים
EP3SL70F780I4LN מתאים עבור 6 יישוםs: ASIC Prototyping and Emulation, Multi-Channel DSP and Baseband Processing, High-Definition Video and Image Processing, Wire-Speed Networking and Packet Processing, Test and Measurement Instrumentation, Military and Aerospace Signal Processing.
ASIC Prototyping and Emulation
The EP3SL70F780I4LN's 67,500 logic elements, 2.7 Mbits of embedded memory, and 488 user I/Os are well matched to ASIC prototyping and in-circuit emulation workloads. Designers targeting sub-100K-gate ASICs can map their netlist 1:1 into the Stratix III L fabric and run at near-real-time speed, while the 780-ball FC-FBGA package exposes enough pins to break out multi-bus ASIC interfaces. Combined with Quartus Prime synthesis and SignalTap II logic analyzer, it forms a complete ASIC bring-up platform for pre-silicon validation.
מומלץ
Multi-Channel DSP and Baseband Processing
The Stratix III L family integrates dedicated DSP blocks alongside 67,500 LE in the EP3SL70F780I4LN, enabling parallel multi-channel DSP pipelines such as multi-antenna radar baseband, software-defined radio channelizers, and telecom PHY processing. The 488 I/Os allow fan-in from multiple ADC/DAC front-ends, while the 2.7 Mbit block RAM serves as deep FFT-window buffers and coefficient tables. Operating frequency up to 375 MHz supports real-time 100 MHz-class baseband at full channel count.
מומלץ
High-Definition Video and Image Processing
The EP3SL70F780I4LN's logic density and 488 I/Os make it suitable for HD/4K video processing pipelines including broadcast format conversion, real-time scaling, deinterlacing, and overlay composition. The 67,500 LE handle multi-tap polyphase filters and motion estimation at 1080p60 in real time, while the 2.7 Mbit embedded memory holds multiple line buffers. Its 780-ball FC-FBGA package permits direct parallel attachment to external DDR2/DDR3 frame-buffer memory.
מומלץ
Wire-Speed Networking and Packet Processing
For networking line cards and packet-processing engines, the EP3SL70F780I4LN delivers the logic density and I/O bandwidth required to run wire-speed IPv4/v6 forwarding, ACL lookup, and deep packet inspection at 10 Gbps. Its 488 user I/Os include sufficient LVDS pairs for multi-lane SGMII/SPI-4.2 interfaces to PHY and switch-fabric devices. Block RAM is used as CAM/RAM lookup tables, while the high ALM count supports ternary content-addressable memory emulators.
מומלץ
Test and Measurement Instrumentation
The EP3SL70F780I4LN's reconfigurable fabric and 488 I/Os suit high-end test-and-measurement instruments such as protocol analyzers, bit-error-rate testers, arbitrary waveform generators, and oscilloscope acquisition front-ends. Logic density supports deep real-time trigger sequencers, while the 780-ball FC-FBGA package routes high-density LVDS/LVCMOS probes. Designers can re-target the same hardware platform to multiple protocols via Quartus Prime bitstream updates, maximizing instrument utilization.
מומלץ
Military and Aerospace Signal Processing
The industrial-grade EP3SL70F780I4LN operates from -40C to +100C, making it suitable for ruggedized military and aerospace signal-processing platforms such as electronic-warfare subsystems, secure communications, and avionics data concentrators. Its 65 nm Stratix III L silicon offers high single-event-upset tolerance when paired with mitigation flows, and the 488 I/Os simplify interface to legacy MIL-STD-1553, ARINC 429, and high-speed sensor buses. Long-life-cycle silicon is essential in this segment, and Intel PSG typically supports Stratix III through 2030+.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור EP3SL70F780I4LN — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | EP3SL70F780I3N | EP3SL70F780I4LG | EP3SL70F780I4L | EP3SL70F780I4G | EP3SL70F780I4 |
|---|---|---|---|---|---|---|
| Brand | Intel | Intel | Intel | Intel | Intel | Intel |
| Package | 780-ball FC-FBGA | 780-ball FC-FBGA (same) | 780-ball FC-FBGA (same) | 780-ball FC-FBGA (same) | 780-ball FC-FBGA (same) | 780-ball FC-FBGA (same) |
| Family | Stratix III L | Stratix III L | Stratix III L | Stratix III L | Stratix III L | Stratix III L |
| Logic Elements | 67,500 | 67,500 | 67,500 | 67,500 | 67,500 | 67,500 |
| Embedded Memory (bits) | 2,699,264 | 2,699,264 | 2,699,264 | 2,699,264 | 2,699,264 | 2,699,264 |
| User I/Os | 488 | 488 | 488 | 488 | 488 | 488 |
| LABs | 2,700 | 2,700 | 2,700 | 2,700 | 2,700 | 2,700 |
| Speed Grade | I4 (375 MHz) | I3 (~320 MHz) | I4 (375 MHz) | I4 (375 MHz) | I4 (375 MHz) | I4 (375 MHz) |
| Operating Temperature | -40C to +100C (industrial) | -40C to +100C | -40C to +100C | -40C to +100C | -40C to +100C | -40C to +100C |
מבדילים עיקריים
- Logic-optimized Stratix III L silicon with high LE and memory density (לעומתEP3SE80F780I4N)
- Speed-grade I4 provides 375 MHz Fmax for timing-critical paths (לעומתEP3SL70F780I3N)
- 488 user I/Os in 780-ball FC-FBGA package (לעומתEP3SL70F484I4N)
- Industrial temperature grade for harsh environments (לעומתEP3SL70F780C4N (commercial 0-85C))
הערות תכנון
The EP3SL70F780I4LN requires four power rails per the Stratix III handbook: VCC (0.9 V core), VCCAUX (2.5 V), VCCIO (1.2 V to 3.3 V per bank), and VCCPD (3.3 V). Power-on sequencing must be enforced - VCCAUX ramps first, then VCC, then VCCIO and VCCPD with monotonic ramp <50 ms - to avoid in-rush latch-up. Use a dedicated power-supply sequencer such as the LTC2923 or UCD9090; do not rely on RC delays alone. Under typical 60-70% utilization at 375 MHz, expect 5-8 W core dissipation requiring a thermal pad or heatsink.
The 780-ball FC-FBGA package of EP3SL70F780I4LN requires a minimum 6-layer PCB with 1-oz copper on outer layers and 0.5-oz on inner planes. Use laser-drilled microvias (0.1 mm) for inner-row ball escape and a 0.4 mm pitch BGA fanout. Maintain 50 ohm single-ended and 100 ohm differential controlled impedance for LVDS pairs. Place a solid ground plane directly beneath the BGA thermal paddle with at least 9 thermal vias (0.3 mm) for heat transfer. Reference the Altera AN 471 package guidelines for stackup recommendations.
Route high-speed LVDS pairs (such as DDR2/DDR3 memory interfaces from the EP3SL70F780I4LN) with matched-length tolerance within 50 mil and length-matching done on a per-byte-lane basis. Keep dynamic memory clock traces at least 3x the trace width away from adjacent signal traces to minimize crosstalk. Place decoupling capacitors (0.1 uF X7R + 10 uF tantalum) within 100 mil of every VCC pin. Configure unused I/O pins in Quartus Prime as 'tri-stated input with weak pull-up' to reduce in-rush during configuration.
Configure EP3SL70F780I4LN I/O banks to match the VCCIO supply of attached peripherals. Use OCT (on-chip termination) calibration for DDR2/DDR3 interfaces via the dedicated OCT_RZQ pin tied through a 100-ohm 1% reference resistor to GND. For LVDS outputs, enable the differential-termination network in the I/O element; for LVDS inputs, use the 100-ohm internal differential resistor to avoid external component count. Always simulate signal-integrity with HyperLynx or SiSoft QCD before final tape-out.
Estimated: configuration bitstream size for a 67,500-LE EP3SL70F780I4LN design with average utilization is 15-22 Mbits, requiring a serial EPCS64 or parallel EPCQ256 configuration flash. Verify Quartus Prime reports your bitstream fits the chosen flash device before PCB commit. Another common pitfall is failing to assert the nCONFIG signal during JTAG programming - hold nCONFIG high and nSTATUS low transition to enter user mode cleanly. Last, ensure VCCIO of all banks matches the attached logic - mixing 1.5 V and 3.3 V peripherals on shared banks will damage the I/O.
מידע על תאימות
RoHS and lead-free per Altera package marking (LG suffix indicates lead-free). Not AEC-Q100 qualified (FPGA not automotive-grade). MSL 3 (168 hours floor life).