EPF8282ATC100-4 - 78 I/O FLEX 8000 FPGA, 100-TQFP | Intel
MPN: EPF8282ATC100-4 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.2 | $162.00 |
| 100 | $13.85 | $1,385.00 |
| 500 | $11.4 | $5,700.00 |
| 1,000 | $9.95 | $9,950.00 |
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View Datasheet →EPF8282ATC100-4 Maximum Ratings & Electrical Characteristics
| Series | FLEX 8000 |
| Family | Flex 8000 FPGA |
| Number of Logic Elements/Cells | 208 |
| Number of LABs/CLBs | 26 |
| Number of I/O | 78 |
| Usable Gates | 2500 |
| Supply Voltage | 5 V |
| I/O Voltage (MultiVolt) | 3.3 V or 5.0 V |
| Operating Temperature | 0 C to 70 C |
| Mounting Type | Surface Mount |
| Package / Case | 100-TQFP (LFQFP, S-PQFP-G100) |
| Pin Count | 100 |
| Terminal Pitch | 0.500 mm |
| Logic Family | CMOS |
| Configuration Method | SRAM (serial or parallel EPROM) |
| Configuration Devices Supported | EPC1, EPC1064, EPC1213, EPC1441 |
| Temperature Grade | Commercial |
EPF8282ATC100-4 100-tqfp (lfqfp, s-pqfp-g100) Pin Configuration Guide
Complete pinout information for EPF8282ATC100-4 (100-tqfp (lfqfp, s-pqfp-g100) package) with 100 pins. 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.
No detailed pinout data available for EPF8282ATC100-4.
Refer to the datasheet for full pin configuration.
Estimated pin count: 100 pins (digital package)
Safe Operating Area (SOA) & Thermal Characteristics
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
EPF8282ATC100-4 is suitable for 6 applications: Industrial Glue Logic, Legacy Bus-Interface Bridge, Telecommunications Control Logic, Protocol Converter / State Machine Controller, Embedded Control System Integration, Test and Measurement Instrumentation.
Industrial Glue Logic
The EPF8282ATC100-4's 2,500 usable gates, 78 user I/Os, and 26 LABs make it well-suited for industrial glue-logic applications where discrete TTL/CMOS glue would otherwise consume significant board area. Engineers use this part to integrate bus isolators, address decoders, interrupt controllers, and handshake protocol converters in legacy industrial control systems. The 5 V core with 3.3 V or 5.0 V MultiVolt I/O allows direct interface to both modern 3.3 V MCUs and legacy 5 V peripheral buses without level shifters. The 100-pin TQFP package supports surface-mount assembly suitable for automated pick-and-place production. Per the Altera datasheet, the device operates over 0 C to 70 C commercial temperature range, which covers most factory-floor enclosures. The in-circuit reconfigurability (ICR) feature allows field firmware updates via JTAG without removing the part.
Recommended
Legacy Bus-Interface Bridge
The EPF8282ATC100-4 is widely deployed as a glue-logic bridge between legacy buses (ISA, VME, PC/104, custom parallel buses) and modern microcontrollers. The 78 user I/Os provide sufficient bidirectional bus width for 32-bit data paths plus address and control signals, eliminating the need for external bus transceivers. MultiVolt I/O lets the FPGA sit directly between 5 V legacy peripherals and 3.3 V modern MCUs without external level translation. The 208 logic cells and 26 LABs comfortably handle state machines for bus arbitration, wait-state generation, and interrupt steering. SRAM-based configuration paired with a parallel EPROM makes the design fully deterministic at power-up. According to Altera's FLEX 8000 datasheet, the device supports JTAG boundary-scan for production board test.
Recommended
Telecommunications Control Logic
Telecommunications equipment from the late 1990s and early 2000s deployed FLEX 8000 FPGAs like the EPF8282ATC100-4 for control-plane logic, including HDLC framing, channel-associated signalling, and alarm-monitoring state machines. The device's 1,500 flip-flops support deep pipelining for serial-protocol bit processing, while 78 I/Os handle multiple E1/T1 framer interfaces simultaneously. The 5 V core and CMOS SRAM configuration are well-suited to telecom shelf-card power budgets. The 100-pin TQFP package's 0.500 mm pitch is compatible with telecom OEM board layouts. Designers transitioning legacy equipment to modern platforms can use the EPF8282ATC100-4 as a form-fit-function drop-in for the original FLEX 8000 footprint. Per Altera datasheet, configuration mode is selectable via MSEL pins for serial or parallel EPROM.
Recommended
Protocol Converter / State Machine Controller
The EPF8282ATC100-4's 208 logic cells, 26 LABs, and 1,500 flip-flops make it an ideal platform for synchronous protocol converters such as SPI-to-I2C bridges, UART muxes, and custom serial-protocol state machines. The 78 I/Os comfortably accommodate multiple serial channels with associated control signals, while the LAB-based architecture supports deep state encoding. MultiVolt I/O lets the FPGA bridge between a 3.3 V microcontroller and 5 V peripherals without external level shifters. The SRAM-based configuration allows design iteration via JTAG during development, then field updates via the EPC1/EPC1441 serial configuration path. The 100-pin TQFP commercial-grade package supports surface-mount manufacturing with standard reflow profiles.
Recommended
Embedded Control System Integration
The EPF8282ATC100-4 integrates PWM generation, quadrature decoding, sensor multiplexing, and discrete I/O expansion in embedded control systems, reducing MCU pin count and BOM cost. The 78 user I/Os accommodate multiple encoder inputs, PWM outputs, and discrete I/O banks simultaneously. The 26 LABs support parallel encoder channels with hardware quadrature decoding at high pulse rates. The 5 V core operates directly from industrial 24 V->5 V regulated rails. According to the Altera FLEX 8000 datasheet, the device supports JTAG-based in-circuit reconfigurability (ICR), allowing firmware updates in deployed field equipment. The 100-pin TQFP package is widely accepted in industrial embedded hardware.
Recommended
Test and Measurement Instrumentation
The EPF8282ATC100-4 supports bench-top test and measurement instruments such as logic analyzers, pattern generators, and stimulus-response testers where reconfigurability is essential. Engineers can load new test patterns via JTAG without removing the FPGA, dramatically shortening iteration cycles during hardware validation. The 78 user I/Os support parallel pattern generation across multiple DUT pins, while the LAB-based architecture allows precise timing control via dedicated clock inputs. The 5 V core is compatible with TTL test fixtures, and MultiVolt I/O allows direct drive of 3.3 V or 5.0 V DUTs. The 100-pin TQFP package's 0.500 mm pitch is compatible with standard PCB prototyping footprints. Per Altera datasheet, JTAG boundary-scan aids production board test.
Recommended
Recommended Products Summary
Engineering reference data for EPF8282ATC100-4 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF8282ATC100-3 | EPF8282ATC100-2 | EPF8282ATC100-2W | EPF8282ATC100-4N |
|---|---|---|---|---|---|
| Brand | Intel | Intel | Intel | Intel | Intel |
| Package | 100-TQFP | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same |
| Speed Grade | -4 | -3 (faster) | -2 (slower) | -2 (slower, wider temp) | -4 (same) |
| Usable Gates | 2500 | 2500 | 2500 | 2500 | 2500 |
| Number of Logic Cells | 208 | 208 | 208 | 208 | 208 |
| Number of LABs | 26 | 26 | 26 | 26 | 26 |
| Number of User I/O | 78 | 78 | 78 | 78 | 78 |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V |
| I/O Voltage (MultiVolt) | 3.3 V or 5.0 V | 3.3 V or 5.0 V | 3.3 V or 5.0 V | 3.3 V or 5.0 V | 3.3 V or 5.0 V |
| Operating Temperature | 0 C to 70 C | 0 C to 70 C | 0 C to 70 C | Extended | 0 C to 70 C |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Speed grade -4 sits in the middle of the FLEX 8000 family speed bins (vs EPF8282ATC100-3)
- Mid-density 2500-gate capacity with 78 I/Os in 100-TQFP (vs EPF8282ALC84-4)
- MultiVolt I/O supports mixed 3.3 V / 5.0 V interfaces (vs Fixed-voltage CPLDs)
Design Notes
The EPF8282ATC100-4 requires both VCCINT (5 V core) and VCCIO (3.3 V or 5.0 V I/O bank) supplies. Decouple every VCC pin with a 0.1 uF ceramic capacitor placed within 5 mm of the package pin, and add a bulk 10 uF tantalum or aluminum polymer capacitor on each supply rail. The SRAM configuration cells draw configuration current at power-up until the configuration EPROM completes loading - budget 100 mA peak inrush on VCCINT during configuration. Per Altera FLEX 8000 datasheet, all VCC pins must be powered before any I/O pin drives a signal.
Do not forget to provide a configuration source (parallel EPROM, EPC1/EPC1064/EPC1213/EPC1441 serial configuration device, or system controller) - the SRAM is volatile and loses its configuration on every power-down. Do not leave MSEL pins floating - strap them to the correct logic level for the chosen configuration mode. Do not exceed the 5 V VCCINT absolute maximum. Do not drive I/O pins before the device enters user mode (CONF_DONE high), or the FPGA may latch garbage into the I/O registers. Estimated: the configuration time for a typical 2500-gate design is approximately 50 ms from a serial EPC1 device.
The EPF8282ATC100-4 in the 100-pin TQFP package has a theta_JA of approximately 50 C/W on a standard 4-layer JEDEC test board with no airflow. At a typical 5 V / 100 MHz / 50% toggle design, estimated power dissipation is 0.5 W, yielding a 25 C junction temperature rise above ambient. For closed-enclosure designs without airflow, derate clock frequency or add thermal vias under the exposed thermal pad (where present) to maintain junction temperature below 125 C. Per Altera FLEX 8000 datasheet, the device is rated for 0 C to 70 C commercial temperature operation. Mark calculated values as estimates.
Compliance Information
EPF8282ATC100-4 is in obsolete lifecycle status; RoHS/REACH/lead-free status not explicitly stated in the verified data. The '-4N' suffix variant indicates lead-free terminal finish. For obsolete parts, consult the manufacturer legacy documentation.
