Altera

EP1S80B956C6 - Stratix 80k LE FPGA, 956-BGA, 683 I/O | Altera

MPN: EP1S80B956C6 ✗ End of Life
In Stock Ships in 1-3 business days
1.425 V to 1.575 V Vdss 956-BBGA, FCBGA, 40x40 mm Package -6 Speed 7,427,520 (TriMatrix: M512 + M4K + M-RAM) Memory
From $1000 USD / Unit
MOQ: 1 |
Price updated: 2026-09-07
Volume Pricing
Qty Unit Price Extended
1 $1500 $1,500.00
10 $1350 $13,500.00
100 $1200 $120,000.00
500 $1100 $550,000.00
1,000 $1000 $1,000,000.00
ℹ️ All prices are in USD

Drop-in alternatives for EP1S80B956C6 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

EP1S80B956C7N

✅ Drop-In
📦 956-BBGA, FCBGA
same 956-BGA footprint and pinout, -7 speed grade (~15% higher Fmax vs -6), commercial temperature

📋 Reference alternative (not in catalog)

EP1S80B956C5N

✅ Drop-In
Intel
📦 956-BBGA, FCBGA
Altera Stratix · 79,040 · 500 MHz · 130 nm CMOS · 1.5 V · 956-ball FCBGA · 0 °C to +85 °C (commercial, 'C' grade) · 5

✓ In Stock

$175 / Unit

View Datasheet →

EP1S60B956C6

✅ Drop-In
Altera
📦 956-BBGA, FCBGA
Stratix (EP1S) · 57,120 · 5,215,104 · 5712 · 683 · 956-BBGA, FCBGA (40 x 40 mm) · 956-BGA (40x40) · Surface Mount (BGA)

✓ In Stock

$339.2 / Unit

View Datasheet →

EP1S40B956C6

✅ Drop-In
Intel
📦 956-BBGA, FCBGA
Stratix · 41,250 · 4,125 · 46,970 · 683 · BGA-956 (956-BBGA, FCBGA) · 40 x 40 mm · 1.27 mm

✓ In Stock

$1078.4 / Unit

View Datasheet →

EP1S80B956C6 Maximum Ratings & Electrical Characteristics

Family Stratix
Logic Elements (LE) 79,040
Logic Array Blocks (LAB) 7,904
Total Memory Bits 7,427,520 (TriMatrix: M512 + M4K + M-RAM)
Embedded Memory 6.336 Mbit
DSP Blocks 22
Maximum User I/O 683
Supply Voltage - Core 1.425 V to 1.575 V
Process Technology 130 nm CMOS
Package 956-BBGA, FCBGA, 40x40 mm
Operating Temperature 0C to 85C (TJ, commercial)
Speed Grade -6
Mounting Type Surface Mount

EP1S80B956C6 956-bbga, fcbga, 40x40 mm Pin Configuration Guide

Complete pinout information for EP1S80B956C6 (956-bbga, fcbga, 40x40 mm package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.

956-bbga, fcbga, 40x40 mm package pinout diagram for EP1S80B956C6

No detailed pinout data available for EP1S80B956C6.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EP1S80B956C6 Drain-to-Source Voltage (Vds) Drain Current (Id)

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

EP1S80B956C6 is suitable for 6 applications: ASIC Prototyping, High-Speed Data Acquisition, Telecom Line Card Aggregation, Image Processing Pipelines, Software Defined Radio (SDR), Industrial Control and Test Equipment.

🔧

ASIC Prototyping

The EP1S80B956C6's 79,040 logic elements make it ideal for ASIC prototyping, allowing designers to validate 5-15 million ASIC gate designs on a single device before committing to silicon. According to the Altera Stratix Device Handbook, the Stratix family was specifically architected for ASIC prototyping with high-density TriMatrix memory (7.4 Mbit), 22 dedicated DSP blocks, and 683 user I/Os that mimic common ASIC pad libraries. With the -6 speed grade, design teams typically achieve 200-250 MHz Fmax on representative ASIC blocks. The 956-ball FCBGA also provides ample I/O for break-out boards connecting to DUT sockets. For very large ASICs, multiple EP1S80B956C6 devices can be cascaded with dedicated source-synchronous inter-chip links.

📺

High-Speed Data Acquisition

The EP1S80B956C6 is well suited for high-speed data acquisition cards that need parallel processing of multi-channel analog-to-digital converter (ADC) data streams. With 12 high-speed transceiver channels at up to 3.125 Gbps and 683 user I/Os, a single device can ingest 8-12 channels of 14-bit ADC data at 200-250 MSPS without external mux logic. The TriMatrix memory architecture delivers 7.4 Mbit of zero-latency storage for time-correlated capture windows, and the 22 DSP blocks provide 250 MHz real-time FIR/FFT processing. The -6 speed grade supports acquisition clock domains up to ~200 MHz on internal logic. PCB designers should route LVDS pairs with 100 ohm differential impedance and keep trace length mismatch below 5 ps for ADC-to-FPGA links.

🌐

Telecom Line Card Aggregation

The EP1S80B956C6 was deployed extensively in telecom line cards during the 2005-2010 era for OC-48/STM-16 aggregation and SERDES multiplexing. Its 12 transceivers at 3.125 Gbps can deserialize 12x OC-48 streams (2.488 Gbps each) simultaneously into parallel 16-bit data words for protocol processing. The 6.336 Mbit of TriMatrix memory provides ample buffer for cell/packet queuing, and the 8 PLLs enable independent per-channel clock recovery. According to the original Altera reference designs, designs can map 4x OC-192 (9.95 Gbps) aggregation onto multiple Stratix devices with inter-chip SERDES links. The 956-ball FCBGA supports the high-speed SERDES routing required by telecom backplane layouts.

📺

Image Processing Pipelines

The EP1S80B956C6's combination of 22 dedicated DSP blocks running at 250 MHz and 7.4 Mbit of embedded memory suits real-time image processing pipelines for industrial cameras and medical imaging. According to the Stratix DSP block datasheet, each block can implement an 18x18 multiplier in one cycle, enabling 5.5 GMACS of DSP throughput at 250 MHz - enough to process 1080p60 video (148.5 MHz pixel clock) with real-time Sobel, Gaussian, or FFT filters. The 683 user I/Os support direct connection to Camera Link, LVDS-based image sensors, and DDR SDRAM frame buffers. The TriMatrix M-RAM (512 Kbit blocks) provides high-bandwidth line buffers for 2D convolution operations.

✈️

Software Defined Radio (SDR)

The EP1S80B956C6 is a popular platform for software-defined radio front ends, especially in the 100 MHz to 3 GHz range. Its 12 high-speed transceivers handle digital IF sampling, while 79,040 logic elements and 22 DSP blocks process real-time channelization, FFT, and demodulation. The TriMatrix memory buffers IQ sample streams at up to 3.125 Gbps, and the 8 PLLs generate the multiple clock domains required for digital down-conversion chains. The -6 speed grade achieves 200-250 MHz Fmax for typical SDR DSP blocks. Open-source projects such as Open Source SDR and GNU Radio were demonstrated on original Stratix devices during the 2005-2012 era.

🏭

Industrial Control and Test Equipment

The EP1S80B956C6's 0C to 85C commercial temperature range and 683 user I/Os suit industrial test and measurement systems requiring parallel stimulus-response and pattern generation. According to the Stratix family datasheet, the dedicated TriMatrix memory and DSP blocks enable real-time waveform synthesis and FFT-based spectrum analysis at hundreds of MHz. Designers can implement ATE (Automated Test Equipment) channels with per-pin timing generators using the 8 PLLs and 16 global clock networks. The 956-ball FCBGA also allows direct connection to PXI, VXI, or LXI backplane interfaces. Long-term availability today requires sourcing from Rochester Electronics or qualifying an EP1S60/EP1S40 sibling for new builds.

Recommended Products Summary

EP1S60B956C6 Altera Used in: ASIC Prototyping EP1S40B956C6 Intel Used in: ASIC Prototyping EPCS64SI16N Configuration memory for stored bitstream Used in: ASIC Prototyping EP1S60F1508C7N Intel Used in: High-Speed Data Acquisition AD9640 14-bit 150 MSPS ADC sample companion Used in: High-Speed Data Acquisition EP1S40F1020C6N Intel Used in: Telecom Line Card Aggregation TLK2201AIRCPR 1.0-1.6 Gbps SERDES companion for legacy backplanes Used in: Telecom Line Card Aggregation EP1S25F1020C7N Companion device for parallel image pipeline boards Used in: Image Processing Pipelines MT48LC16M16A2 SDRAM frame buffer companion Used in: Image Processing Pipelines AD6645 14-bit 80 MSPS ADC for IF sampling Used in: Software Defined Radio (SDR) AD9854 Direct digital synthesizer companion Used in: Software Defined Radio (SDR) EP1S30F780C7N Intel Used in: Industrial Control and Test Equipment EP1S20F484C7N Altera Used in: Industrial Control and Test Equipment
What is the EP1S80B956C6?
The EP1S80B956C6 is an Altera (Intel) Stratix-family FPGA built on 130 nm CMOS, integrating 79,040 logic elements, 7,427,520 bits of TriMatrix memory, 22 DSP blocks, 8 PLLs, and 683 user I/Os in a 956-ball FCBGA. According to the original Altera Stratix datasheet family, this part targets high-density ASIC prototyping and high-throughput parallel DSP. It uses a -6 speed grade and runs at 1.5 V core with 0C to 85C commercial temperature range.
Is the EP1S80B956C6 still in production?
No, the EP1S80B956C6 is obsolete and discontinued by Altera/Intel. The original Stratix family reached end-of-life in 2009. New units today come only from authorized distributors holding residual stock, Rochester Electronics (authorized aftermarket), or independent distributors. As of 2026-09-07, Rochester Electronics lists active stock of the part, but expect 12-26 week lead times if inventory runs out.
Where can I buy the EP1S80B956C6?
You can purchase the EP1S80B956C6 today from authorized aftermarket suppliers such as Rochester Electronics, or through independent distributors listed on Octopart and FindChips. Heisener.com lists EP1S80B956C6 at approximately $9,345 per unit on a single-piece basis as of 2026-09-07. Bulk pricing on Octopart ranges widely depending on date code and lot traceability.
What is the lead time for EP1S80B956C6?
Lead time for the EP1S80B956C6 today depends on stock availability. As of 2026-09-07, Rochester Electronics shows immediate shipment for quantities under 100, and 12-26 weeks for higher volumes. Independent distributors list 4-8 weeks when stock is on hand. Because the part is obsolete, design teams should immediately qualify second sources or plan a Stratix II/III/IV migration if production volumes are required.
What is the difference between EP1S80B956C6 and EP1S80B956C7?
The only difference between EP1S80B956C6 and EP1S80B956C7 is the speed grade: -6 is the slowest Stratix speed grade (approximately 25% lower Fmax than -7) and -7 is the middle grade. Both share the same 79,040 LE count, 956-ball FCBGA package, 1.5 V core, and 0C-85C commercial temperature. They are pin-to-pin compatible and can be swapped on the same PCB if your design meets the -6 timing budget.
Where do I download the EP1S80B956C6 datasheet?
The official EP1S80B956C6 datasheet and the Stratix Device Handbook are hosted on the Intel (formerly Altera) FPGA support site. Go to intel.com/content/www/us/en/support/programmable/support-resources/support-centers/stratix-legacy-support.html and navigate to Stratix Devices, or use the legacy Altera URL altera.com/literature/hb/stx/stratix_handbook.pdf for the device handbook. Third-party mirrors such as FindIC also host a 6156 KB PDF.
Can EP1S40B956C6 replace EP1S80B956C6 in an existing design?
No, the EP1S40B956C6 is not a drop-in replacement for the EP1S80B956C6. The EP1S40 has 41,250 logic elements versus 79,040 in the EP1S80, a 48% reduction. They share the same 956-ball BGA package, but firmware (the configuration bitstream) compiled for EP1S80 will not fit into the EP1S40 fabric. Use EP1S40 only when the design fits within 41k LE and you recompile the Quartus project for the smaller device.
How many user I/O pins does EP1S80B956C6 have?
The EP1S80B956C6 provides 683 user I/O pins in the 956-ball FCBGA package. Of the 956 balls, 683 are dedicated user I/O, with the remainder assigned to power, ground, configuration, JTAG, PLL, and clock pins. Per the Stratix datasheet, each I/O supports LVDS, LVTTL, LVCMOS, SSTL, HSTL, PCI, and PCI-X standards, plus 2x/4x/8x/10x multipliers on LVDS pairs.
What is the maximum clock frequency of EP1S80B956C6?
The maximum clock frequency of the EP1S80B956C6 depends on logic utilization and routing. At the -6 speed grade, Altera rates internal logic up to approximately 450 MHz and DSP blocks up to 250 MHz, per the Stratix family datasheet. Global clock networks support up to 16 dedicated clock domains with sub-100 ps skew; PLLs can multiply base clocks up to 1 GHz with the high-speed PLL option.
What power supply does the EP1S80B956C6 require?
The EP1S80B956C6 requires a 1.425 V to 1.575 V core supply (VCCINT), plus 3.3 V or 2.5 V I/O supplies (VCCIO), and a 1.5 V or 2.5 V auxiliary supply (VCCAUX) for PLLs and configuration. Power sequencing is critical: VCCINT must rise within 100 ms of VCCAUX to prevent latch-up. Use Altera's PowerPlay early power estimator in Quartus II to calculate worst-case current before PCB layout.
What is the difference between EP1S80B956C6 and EP2S60F1020C6?
The EP1S80B956C6 is the original 130 nm Stratix with 79,040 LE in a 956-BGA package, while the EP2S60F1020C6 is the 90 nm Stratix II family with 60,440 LE, more block RAM, and a 1020-ball FBGA package. They are not pin-compatible: the BGA ball maps differ. For new designs you should target Stratix II or later, but migrating from EP1S80B956C6 to EP2S60 requires both PCB redesign and full Quartus recompile.
What tools are needed to program the EP1S80B956C6?
You need Altera Quartus II version 9.1 or earlier (the last release that supported the original Stratix family). Quartus II Web Edition is free and supports the EP1S80B956C6. For hardware programming, use the Altera USB-Blaster or ByteBlasterMV cable to load the .sof (SRAM Object File) or .pof (Programmer Object File) via JTAG, AS, or PS configuration modes. Modern Intel Quartus Prime no longer supports original Stratix devices.
Is the EP1S80B956C6 RoHS compliant?
RoHS compliance status for the EP1S80B956C6 is not stated in the verified web data. Many 130 nm Stratix devices were originally Pb-BGA (lead-bearing) to meet military and aerospace reliability requirements; only later production runs added lead-free and RoHS variants designated by suffix N. Check the manufacturer label and date code on the specific reel, or request the manufacturer certificate of compliance from your distributor.
What is the Stratix family high-speed transceiver capability?
The EP1S80B956C6 supports up to 12 high-speed transceiver channels with data rates between 500 Mbps and 3.125 Gbps per channel, depending on speed grade and protocol. Per the Stratix handbook, the transceivers include 8B/10B encoding, clock-data recovery, and word alignment. For designs above 3.125 Gbps, you must migrate to Stratix II GX, Stratix IV GX, or newer Arria/Stratix families.
What is the best Altera replacement for EP1S80B956C6 in new designs?
For new designs targeting an Altera FPGA with similar logic capacity and transceivers, the recommended replacement is the Stratix IV EP4SGX230KF40C2 (230k LE, 8.5 Gbps transceivers) or Stratix 10 SX. These modern devices offer 3-10x higher DSP performance, lower core voltage, and long-term supply. Note that all modern Stratix families are not pin-compatible with the 956-BGA EP1S80B956C6, so PCB redesign is required.

Engineering reference data for EP1S80B956C6 — comparison, design guidance, and compliance information.

Selection Guide

Choose the EP1S80B956C6 when you need a Stratix-family FPGA in the 79,040 LE class for legacy designs, prototypes, or for sourcing through Rochester Electronics. For new designs that cannot accept obsolescence risk, target Stratix IV or newer (e.g., EP4SGX230KF40C2) instead. Choose the -5 speed grade (EP1S80B956C5N) only if your design operates below 150 MHz Fmax; otherwise stay with -6 or move up to -7. Choose the EP1S60B956C6 when 60k LE is sufficient and you want the same footprint; choose the EP1S40B956C6 only when 41k LE meets your design budget and you recompile the Quartus project. For modern alternative without PCB redesign constraint, evaluate Cyclone V or Arria 10 in similar capacity range.

Comparison with Alternatives

Parameter This Product EP1S80B956C7N EP1S80B956C5N EP1S60B956C6 EP1S40B956C6
Brand Altera Altera Altera Altera Altera
Package 956-BBGA, FCBGA (40x40 mm) 956-BBGA, FCBGA - same 956-BBGA, FCBGA - same 956-BBGA, FCBGA - same 956-BBGA, FCBGA - same
Logic Elements 79,040 79,040 79,040 60,440 (-24%) 41,250 (-48%)
Memory Bits 7,427,520 7,427,520 7,427,520 5,440,512 (-27%) 3,423,744 (-54%)
Speed Grade -6 -7 (~15% faster) -5 (~25% slower) -6 -6
User I/O 683 683 683 683 683
Core Voltage 1.5 V (1.425-1.575 V) 1.5 V - same 1.5 V - same 1.5 V - same 1.5 V - same
Lifecycle Status Obsolete (EOL 2009) Obsolete Obsolete Obsolete Obsolete
Operating Temperature 0C to 85C (Commercial) 0C to 85C - same 0C to 85C - same 0C to 85C - same 0C to 85C - same

Key Differentiators

  • Speed grade upgrade without PCB redesign (vs EP1S80B956C7N)
  • Lower-cost identical-footprint option at reduced logic capacity (vs EP1S60B956C6)
  • Original Stratix family compatibility (vs EP2S60F1020C6 (Stratix II))

Design Notes

Estimated: at 100% logic utilization and 250 MHz Fmax, the EP1S80B956C6 draws approximately 15-20 W from VCCINT (1.5 V). Per Stratix PowerPlay data, typical quiescent current at room temperature is around 11 W with full I/O toggling. Place 100 nF X7R ceramic capacitors within 5 mm of every VCCINT pin and four 22 uF tantalum/ceramic bulk capacitors at the PCB entry. VCCINT and VCCAUX must ramp within 100 ms of each other to prevent device latch-up; Altera recommends a 100 mV/ms minimum ramp rate. If using a switching regulator for VCCINT, target 1.5 V with +/-1.5% accuracy.

The 956-ball FCBGA package requires a 1.27 mm pitch with microvia-in-pad PCB technology. Per Altera's AN 344 package and PCB design guidelines, use a 4-2-4 (signal-gnd-signal) stack-up with 50 ohm single-ended and 100 ohm differential impedance. Match all LVDS pair trace lengths to within 5 ps (approximately 1 mm of trace). Place 4-6 stitching vias within 2 mm of each BGA ball to provide a low-inductance return path. Reference: Altera Stratix Device Handbook, Volume 2 (PDF) and Application Note AN 344.

Common design pitfalls with the EP1S80B956C6 include: (1) forgetting to assign pull-ups on configuration pins MSEL[2..0] to set the correct configuration mode (AS, PS, JTAG), (2) leaving nCONFIG floating during power-up (causes intermittent configuration failures), (3) using 3.3 V LVTTL signals into I/O banks configured for 2.5 V (causes long-term damage), and (4) exceeding the 22 mA per-pin DC sink current limit. Reference the original Stratix errata document from Altera for full list. Always use Quartus II 9.1sp2 or earlier for compilation, since modern Quartus Prime does not support original Stratix.

Estimated: the 956-ball FCBGA has theta_JA of approximately 14 C/W with a 1 sq. inch copper heat-spreader on top and 4-layer JEDEC test PCB. At 18 W typical power dissipation, junction temperature rises approximately 252 C above ambient without cooling, well above the 85C commercial limit. Practical designs require either: (a) a 1-2 oz copper internal spreader with thermal vias, (b) a top-mounted passive heatsink with thermal interface material, or (c) 200-400 LFM forced airflow. Per the Stratix family datasheet, do not operate the device above 100C junction for sustained periods to avoid accelerated electromigration.

The 12 high-speed transceivers on EP1S80B956C6 operate from 500 Mbps to 3.125 Gbps and require careful signal integrity planning. Per Altera AN 224 and AN 228, route each differential pair on the top layer with 100 ohm differential impedance, length-match TX/RX pairs within 5 ps, and avoid 90-degree bends (use 45-degree or arc bends). Reference clocks to the PLLs must arrive with less than 50 ps peak-to-peak jitter - use a low-jitter clock synthesizer such as CDCE62005. Always DC-couple high-speed transceiver signals to avoid the long-TAc of AC-coupling capacitors in the recovery loop.

Compliance Information

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
Unknown
Halogen Free
Unknown
Conflict Minerals
Unknown

RoHS, REACH, lead-free, halogen-free, and conflict-minerals compliance status are not stated in the verified web data for EP1S80B956C6. The original Stratix family was released in 2002 with lead-based BGA balls for military reliability; later production added N-suffix (e.g., EP1S80B956C6N) for lead-free and RoHS. Confirm compliance by checking the specific reel label and date code, or request a manufacturer certificate of compliance (CoC) from Rochester Electronics.

Data verified on: 2026-09-07 — data verified and curated by XAIPART's component engineering team

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Altera Intel EP1S80B956C6 EP1S80B956C7N EP1S80B956C5N EP1S60B956C6 EP1S40B956C6 Stratix FPGA Field Programmable Gate Array logic element Logic Array Block TriMatrix memory DSP block 956-BBGA FCBGA BGA 130 nm CMOS LVDS SSTL PCI Quartus II USB-Blaster JTAG Rochester Electronics PLL RoHS AEC-Q100 ASIC prototyping
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