RTPF500ZT - RT PolarFire FPGA 481k LE Rad-Tolerant | Microchip
MPN: RTPF500ZT β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
RTPF500ZT Overview
A field-programmable gate array (FPGA) is a semiconductor device containing a fabric of configurable logic blocks, programmable interconnects, and embedded memory that designers configure in the field. Within the power-management-free hierarchy of programmable logic, FPGAs sit between fixed-function ASICs and software-programmable processors, offering hardware parallelism with reprogrammability.
Key features include robust total ionizing dose (TID) tolerance of 100 krad, immunity to configuration upsets at LET 80 MeV-cm2/mg with fluence greater than 5E8 ions/cm2, and enhanced single-event latch-up (SEL) performance compared with the earlier RTPF500T. SEFI events in the reset circuit are statistically estimated at approximately 1 in 187 years in GEO orbit.
The device derives from the commercial PolarFire family built on 28 nm SONOS process technology, which is non-volatile and reprogrammable. Flip-chip bump spacing was modified relative to commercial PolarFire silicon to enable integration into the hermetically sealed ceramic package, and RTPF500ZT adds enhanced on-orbit programming methodology and a low-cost plastic package option over RTPF500T.
Typical applications include satellite payload processing, on-board data handling, spaceflight image and signal processing, and reconfigurable computing in LEO, MEO, and GEO missions where low static power and radiation tolerance are critical.
A key design consideration is supply integrity: the 1.0 V core rail must be held within 0.97 V to 1.03 V under all load transients, so designers should budget decoupling and regulator droop carefully; the integrated package decoupling capacitors assist with high-frequency transient response.
This page synthesizes verified distributor and manufacturer data, radiation performance figures, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for RTPF500ZT β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
RTPF500T-CG1509E
β Drop-Inπ Reference alternative (not in catalog)
RTPF500ZT-CG1509B
β Drop-Inπ Reference alternative (not in catalog)
RTPF500ZT-CG1509PROTO
β Drop-Inπ Reference alternative (not in catalog)
RTPF500T-CG1509B
β Drop-Inπ Reference alternative (not in catalog)
RTPF500ZT Maximum Ratings & Electrical Characteristics
| Logic Elements | 481,000 |
| Embedded SRAM | 33 Mbits |
| DSP (Math) Blocks | 1,480 |
| Core Supply Voltage | 1.0 V nominal (0.97 V to 1.03 V) |
| Package | Hermetically sealed ceramic column grid array, 1,509 columns (CG1509) |
| Column Pitch | 1.00 mm |
| Package Style | Ceramic, metal-sealed cofired, square grid array |
| I/O Capability | 584 inputs / 584 outputs (RTPF500T family reference) |
| TID Tolerance | 100 krad |
| Configuration Upsets | None at LET 80 MeV-cm2/mg, fluence > 5E8 ions/cm2 |
| SEFI Rate (reset circuit) | Approximately 1 in 187 years in GEO |
| Qualification | QML Class Q |
| Process Technology | 28 nm SONOS (non-volatile, reprogrammable) |
| Temperature Grade | Military (M) |
| Hermeticity | Hermetically sealed with integrated decoupling capacitors |
RTPF500ZT ceramic, metal-sealed cofired, square grid array Pin Configuration Guide
Pin configuration for RTPF500ZT (ceramic, metal-sealed cofired, square grid array 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.
No detailed pinout data available for RTPF500ZT.
Refer to the datasheet for full pin configuration.
Typical Applications
RTPF500ZT is suitable for 6 applications: Satellite Payload Data Processing, On-Board Data Handling (OBDH), Spaceflight Image and Signal Processing, GEO Communication Satellite Transponder Logic, Launch Vehicle and Avionics Reconfigurable Control, LEO NewSpace Constellation Payloads.
Satellite Payload Data Processing
The RTPF500ZT fits satellite payload processing because its 481,000 logic elements, 33 Mbits of embedded SRAM, and 1,480 math blocks provide the parallel compute fabric needed for on-board compression, FFT, and channelization workloads, while 100 krad TID tolerance and absence of configuration upsets at LET 80 MeV-cm2/mg keep the fabric intact through multi-year GEO missions. The non-volatile 28 nm SONOS configuration removes the external configuration flash and scrubbing subsystem that SRAM FPGAs require, saving board area, power, and a common failure point. Implemented between the payload ADC and downlink baseband, the FPGA performs deterministic DSP at low static power; the hermetic CG1509 package with integrated decoupling capacitors maintains the 1.0 V core rail (0.97-1.03 V) integrity in vacuum where outgassing and single-event effects are design constraints.
Recommended
On-Board Data Handling (OBDH)
For spacecraft on-board data handling, the RTPF500ZT offers a reprogrammable control fabric that bridges processors, TT&C interfaces, and payload electronics. Its 481,000 logic elements implement redundant bus controllers, voting logic, and telemetry formatting, while 33 Mbits of embedded SRAM buffers frame data without external memories that add parts-count risk. Enhanced on-orbit programming methodology - unique to the ZT variant over the RTPF500T - allows firmware updates during mission operations with improved robustness, and SEFI in the reset circuit is estimated at roughly one event in 187 years in GEO. QML Class Q qualification and the hermetically sealed 1,509-column ceramic package support the screening flows demanded by institutional and commercial constellation customers. Designers should hold the 1.0 V core within 0.97-1.03 V using point-of-load regulation adjacent to the package.
Recommended
Spaceflight Image and Signal Processing
Earth-observation and scientific instruments rely on the RTPF500ZT for real-time image correction, binning, and lossless compression at the focal plane. The 1,480 math blocks sustain high-throughput fixed-point pipelines, and the 28 nm SONOS fabric operates at the industry's lowest static power in its class, directly reducing the thermal load on radiators. Unlike SRAM-based FPGAs, no configuration upsets occur at LET 80 MeV-cm2/mg (fluence > 5E8 ions/cm2), so imagery is not corrupted by configuration flips during solar particle events; TID robustness of 100 krad covers the integrated dose of long-duration LEO sun-synchronous missions with margin. Placed directly behind the sensor readout chain, the FPGA conditions data before compression ASICs or the downlink; integrated package decoupling supports the 1.0 V core (0.97-1.03 V) during burst processing loads.
Recommended
GEO Communication Satellite Transponder Logic
Geostationary communications satellites use the RTPF500ZT to implement flexible switch matrices, filter banks, and DVB formatting logic that must survive 15+ years of accumulated dose. The 100 krad TID capability covers GEO mission doses with margin, and the absence of configuration upsets eliminates scrubber power and complexity - SEFI in the reset circuit is estimated at one event in 187 years in GEO, per Microchip. The enhanced SEL performance of the ZT over the RTPF500T is particularly relevant at GEO, where heavy-ion flux from solar events can latch commercial devices. With 1,480 math blocks and 33 Mbits of SRAM, the device also processes baseband functions in software-defined payloads. The hermetic CG1509 ceramic package, qualified to QML Class Q, meets the screening requirements of major GEO prime contractors.
Recommended
Launch Vehicle and Avionics Reconfigurable Control
Launch avionics benefit from the RTPF500ZT's deterministic parallel logic for sequencing, redundancy management, and telemetry encoding under severe vibration and radiation environments. The hermetically sealed metal-lid ceramic column grid array protects the die in vacuum and during ascent outgassing exposure, while its 1.00 mm column pitch and square footprint simplify high-reliability solder inspection. With 481,000 logic elements, designers implement triple-modular-redundant controllers with room to spare, and 33 Mbits of embedded SRAM holds flight tables locally. The non-volatile SONOS fabric powers up instantly with configuration resident on-die - an advantage where boot time and configuration-memory radiation robustness are critical. Flight designs typically prototype on the RTPF500ZT-CG1509PROTO order code before committing to flight-screened RTPF500ZT-CG1509B units.
Recommended
LEO NewSpace Constellation Payloads
Low-Earth-orbit smallsat constellations choose the RTPF500ZT because Microchip added a low-cost plastic package option over the RTPF500T specifically to widen access for NewSpace programs, per the RT PolarFire product overview. Missions of two to five years in LEO accumulate well below the 100 krad TID capability, providing schedule-friendly margin even without full hermetic screening. The 481,000 logic elements run edge-AI inference, SDR front ends, and encryption for Ka-band links, while the industry's lowest-power PolarFire fabric extends battery and solar-array budget. Enhanced on-orbit programming lets operators re-task payloads after launch - a key operational flexibility for constellations. Prototype builds can use RTPF500ZT-CG1509PROTO units before flight lots, and the identical footprint permits drop-in migration between ceramic and packaging options as program requirements mature.
Recommended
Recommended Products Summary
Engineering reference data for RTPF500ZT β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | RTPF500T-CG1509E | RTPF500ZT-CG1509B | RTPF500ZT-CG1509PROTO | RTPF500T-CG1509B |
|---|---|---|---|---|---|
| Package | CG1509 hermetic ceramic column grid array, 1,509 columns, 1.00 mm pitch | CG1509 ceramic column grid array - same footprint | CG1509 ceramic column grid array - same footprint | CG1509 ceramic column grid array - same footprint | CG1509 ceramic column grid array - same footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Logic Elements | 481,000 | 481,000 | 481,000 | 481,000 | 481,000 |
| Embedded SRAM | 33 Mbits | 33 Mbits | 33 Mbits | 33 Mbits | 33 Mbits |
| Math Blocks | 1,480 | 1,480 | 1,480 | 1,480 | 1,480 |
| Core Supply Voltage | 1.0 V (0.97 V to 1.03 V) | 1.0 V (0.97 V to 1.03 V) | 1.0 V (0.97 V to 1.03 V) | 1.0 V (0.97 V to 1.03 V) | 1.0 V (0.97 V to 1.03 V) |
| SEL / On-Orbit Programming | Enhanced SEL and enhanced on-orbit programming | Standard (non-enhanced) SEL; no enhanced on-orbit programming | Enhanced SEL and on-orbit programming (same silicon) | Enhanced SEL and on-orbit programming (prototype screening) | Standard (non-enhanced) SEL; no enhanced on-orbit programming |
Key Differentiators
- Enhanced SEL and on-orbit programming robustness (vs RTPF500T-CG1509E)
- No configuration upsets (non-volatile SONOS) (vs RTPF500T-CG1509E (and SRAM-based RT FPGAs))
- Lowest-power fabric in its radiation-tolerant class (vs RTPF500T-CG1509E)
Design Notes
Hold the 1.0 V core rail within 0.97 V to 1.03 V under all load transients; this 3% window leaves little droop budget for point-of-load regulator ripple and PCB IR drop. Use a space-qualified POL converter placed close to the CG1509 package and leverage the integrated decoupling capacitors inside the hermetic package for high-frequency response. Verify core current transients against the RT PolarFire datasheet (00004122A) DC characteristics for your implemented design, as current scales with clock activity and resource utilization.
The CG1509 ceramic column grid array uses 1,509 copper spiral columns at 1.00 mm pitch, requiring controlled-expansion PCB materials and careful via-in-pad design for the column array. Follow Microchip's PolarFire packaging layout guidance for breakout of power planes under the large 1,509-column field, and account for the CTE mismatch between the ceramic package and typical flight-grade polyimide laminates during thermal cycling qualification. Allow inspection access for column solder verification per spaceflight workmanship standards.
Although the SONOS fabric is immune to configuration upsets at LET 80 MeV-cm2/mg, system-level single-event effects in I/O and user logic still require mitigation: apply triple modular redundancy to state machines and enable CRC/scrub-equivalent verification of user logic in critical paths. The earlier RTPF500T lacks the ZT's enhanced SEL and on-orbit programming - do not assume identical radiation reports transfer between the two variants. Prototype-order codes (RTPF500ZT-CG1509PROTO) are not flight-screened and must not fly.
Compliance Information
Space-grade device qualified to QML Class Q per Microchip product page; automotive AEC-Q100 not applicable. RoHS/REACH status not stated in provided data - space-grade hermetic ceramic packaging may carry exemptions.
