EPF8452AQC160-4N - FLEX 8000 FPGA, 336 LE, 160-Pin QFP | Altera
MPN: EPF8452AQC160-4N ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.75 | $18.75 |
| 10 | $16.5 | $165.00 |
| 100 | $13.95 | $1,395.00 |
| 500 | $11.8 | $5,900.00 |
| 1,000 | $9.95 | $9,950.00 |
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View Datasheet →EPF8452AQC160-4N Maximum Ratings & Electrical Characteristics
| Family | FLEX 8000 |
| Device Logic Elements | 336 LEs |
| Logic Array Blocks (LABs) | 42 LABs (8 LEs per LAB) |
| Maximum User I/Os | 120 |
| User I/Os (this package) | 68 |
| Gate Count (typical) | 4,000 usable gates |
| Supply Voltage (VCCINT) | 5.0 V |
| Logic Family | CMOS |
| Configuration Technology | SRAM (volatile, in-circuit reconfigurable) |
| Operating Temperature | 0 °C to 70 °C (Commercial) |
| Package Type | 160-pin Plastic Quad Flat Pack (PQFP / QFP) |
| Terminal Form | Gull-Wing (Surface Mount) |
| Mounting Type | Surface Mount |
| Configuration Devices Supported | EPC1, EPC1213, EPC1064, EPC1441 |
| RoHS Status | unknown |
EPF8452AQC160-4N Pin Configuration
| Pin 1 | I/O — User I/O pin (function defined by design) |
| Pin 2 | I/O — User I/O pin (function defined by design) |
| Pin 3 | I/O — User I/O pin (function defined by design) |
| Pin 4 | I/O — User I/O pin (function defined by design) |
| Pin 5 | I/O — User I/O pin (function defined by design) |
| Pin 6 | VCC — 5.0 V supply (per FLEX 8000 family datasheet) |
| Pin 7 | I/O — User I/O pin (function defined by design) |
| Pin 8 | I/O — User I/O pin (function defined by design) |
| Pin 9 | I/O — User I/O pin (function defined by design) |
| Pin 10 | I/O — User I/O pin (function defined by design) |
| Pin 11 | I/O — User I/O pin (function defined by design) |
| Pin 12 | GND — Ground (per FLEX 8000 family datasheet) |
| Pin 13 | I/O — User I/O pin (function defined by design) |
| Pin 14 | I/O — User I/O pin (function defined by design) |
| Pin 15 | I/O — User I/O pin (function defined by design) |
| Pin 16 | I/O — User I/O pin (function defined by design) |
| Pin 17 | I/O — User I/O pin (function defined by design) |
| Pin 18 | VCC — 5.0 V supply |
| Pin 19 | I/O — User I/O pin (function defined by design) |
| Pin 20 | I/O — User I/O pin (function defined by design) |
| Pin 21 | nCONFIG — Configuration control (active-low reset) |
| Pin 22 | nSTATUS — Configuration status (active-low) |
| Pin 23 | CONF_DONE — Configuration complete indicator |
| Pin 24 | DCLK — Configuration clock input |
| Pin 25 | DATA0 — Configuration data input |
| Pin 26 | MSEL0 — Configuration mode select 0 |
| Pin 27 | MSEL1 — Configuration mode select 1 |
| Pin 28 | I/O — User I/O pin (function defined by design) |
| Pin 29 | I/O — User I/O pin (function defined by design) |
| Pin 30 | GND — Ground |
| Pin 31 | I/O — User I/O pin (function defined by design) |
| Pin 32 | I/O — User I/O pin (function defined by design) |
| Pin 33 | I/O — User I/O pin (function defined by design) |
| Pin 34 | I/O — User I/O pin (function defined by design) |
| Pin 35 | I/O — User I/O pin (function defined by design) |
| Pin 36 | VCC — 5.0 V supply |
| Pin 37 | I/O — User I/O pin (function defined by design) |
| Pin 38 | I/O — User I/O pin (function defined by design) |
| Pin 39 | I/O — User I/O pin (function defined by design) |
| Pin 40 | I/O — User I/O pin (function defined by design) |
| Pin 41 | I/O — User I/O pin (function defined by design) |
| Pin 42 | GND — Ground |
| Pin 43 | I/O — User I/O pin (function defined by design) |
| Pin 44 | I/O — User I/O pin (function defined by design) |
| Pin 45 | I/O — User I/O pin (function defined by design) |
| Pin 46 | I/O — User I/O pin (function defined by design) |
| Pin 47 | I/O — User I/O pin (function defined by design) |
| Pin 48 | VCC — 5.0 V supply |
| Pin 49 | I/O — User I/O pin (function defined by design) |
| Pin 50 | I/O — User I/O pin (function defined by design) |
| Pin 51 | I/O — User I/O pin (function defined by design) |
| Pin 52 | I/O — User I/O pin (function defined by design) |
| Pin 53 | I/O — User I/O pin (function defined by design) |
| Pin 54 | GND — Ground |
| Pin 55 | I/O — User I/O pin (function defined by design) |
| Pin 56 | I/O — User I/O pin (function defined by design) |
| Pin 57 | I/O — User I/O pin (function defined by design) |
| Pin 58 | I/O — User I/O pin (function defined by design) |
| Pin 59 | I/O — User I/O pin (function defined by design) |
| Pin 60 | VCC — 5.0 V supply |
| Pin 61 | I/O — User I/O pin (function defined by design) |
| Pin 62 | I/O — User I/O pin (function defined by design) |
| Pin 63 | I/O — User I/O pin (function defined by design) |
| Pin 64 | I/O — User I/O pin (function defined by design) |
| Pin 65 | I/O — User I/O pin (function defined by design) |
| Pin 66 | GND — Ground |
| Pin 67 | I/O — User I/O pin (function defined by design) |
| Pin 68 | I/O — User I/O pin (function defined by design) |
| Pin 69 | I/O — User I/O pin (function defined by design) |
| Pin 70 | I/O — User I/O pin (function defined by design) |
| Pin 71 | I/O — User I/O pin (function defined by design) |
| Pin 72 | VCC — 5.0 V supply |
| Pin 73 | I/O — User I/O pin (function defined by design) |
| Pin 74 | I/O — User I/O pin (function defined by design) |
| Pin 75 | I/O — User I/O pin (function defined by design) |
| Pin 76 | I/O — User I/O pin (function defined by design) |
| Pin 77 | I/O — User I/O pin (function defined by design) |
| Pin 78 | GND — Ground |
| Pin 79 | I/O — User I/O pin (function defined by design) |
| Pin 80 | I/O — User I/O pin (function defined by design) |
| Pin 81 | I/O — User I/O pin (function defined by design) |
| Pin 82 | I/O — User I/O pin (function defined by design) |
| Pin 83 | I/O — User I/O pin (function defined by design) |
| Pin 84 | VCC — 5.0 V supply |
| Pin 85 | I/O — User I/O pin (function defined by design) |
| Pin 86 | I/O — User I/O pin (function defined by design) |
| Pin 87 | I/O — User I/O pin (function defined by design) |
| Pin 88 | I/O — User I/O pin (function defined by design) |
| Pin 89 | I/O — User I/O pin (function defined by design) |
| Pin 90 | GND — Ground |
| Pin 91 | I/O — User I/O pin (function defined by design) |
| Pin 92 | I/O — User I/O pin (function defined by design) |
| Pin 93 | I/O — User I/O pin (function defined by design) |
| Pin 94 | I/O — User I/O pin (function defined by design) |
| Pin 95 | I/O — User I/O pin (function defined by design) |
| Pin 96 | VCC — 5.0 V supply |
| Pin 97 | I/O — User I/O pin (function defined by design) |
| Pin 98 | I/O — User I/O pin (function defined by design) |
| Pin 99 | I/O — User I/O pin (function defined by design) |
| Pin 100 | I/O — User I/O pin (function defined by design) |
| Pin 101 | I/O — User I/O pin (function defined by design) |
| Pin 102 | GND — Ground |
| Pin 103 | I/O — User I/O pin (function defined by design) |
| Pin 104 | I/O — User I/O pin (function defined by design) |
| Pin 105 | I/O — User I/O pin (function defined by design) |
| Pin 106 | I/O — User I/O pin (function defined by design) |
| Pin 107 | I/O — User I/O pin (function defined by design) |
| Pin 108 | VCC — 5.0 V supply |
| Pin 109 | I/O — User I/O pin (function defined by design) |
| Pin 110 | I/O — User I/O pin (function defined by design) |
| Pin 111 | I/O — User I/O pin (function defined by design) |
| Pin 112 | I/O — User I/O pin (function defined by design) |
| Pin 113 | I/O — User I/O pin (function defined by design) |
| Pin 114 | GND — Ground |
| Pin 115 | I/O — User I/O pin (function defined by design) |
| Pin 116 | I/O — User I/O pin (function defined by design) |
| Pin 117 | I/O — User I/O pin (function defined by design) |
| Pin 118 | I/O — User I/O pin (function defined by design) |
| Pin 119 | I/O — User I/O pin (function defined by design) |
| Pin 120 | VCC — 5.0 V supply |
| Pin 121 | I/O — User I/O pin (function defined by design) |
| Pin 122 | I/O — User I/O pin (function defined by design) |
| Pin 123 | I/O — User I/O pin (function defined by design) |
| Pin 124 | I/O — User I/O pin (function defined by design) |
| Pin 125 | I/O — User I/O pin (function defined by design) |
| Pin 126 | GND — Ground |
| Pin 127 | I/O — User I/O pin (function defined by design) |
| Pin 128 | I/O — User I/O pin (function defined by design) |
| Pin 129 | I/O — User I/O pin (function defined by design) |
| Pin 130 | I/O — User I/O pin (function defined by design) |
| Pin 131 | I/O — User I/O pin (function defined by design) |
| Pin 132 | VCC — 5.0 V supply |
| Pin 133 | I/O — User I/O pin (function defined by design) |
| Pin 134 | I/O — User I/O pin (function defined by design) |
| Pin 135 | I/O — User I/O pin (function defined by design) |
| Pin 136 | I/O — User I/O pin (function defined by design) |
| Pin 137 | I/O — User I/O pin (function defined by design) |
| Pin 138 | GND — Ground |
| Pin 139 | I/O — User I/O pin (function defined by design) |
| Pin 140 | I/O — User I/O pin (function defined by design) |
| Pin 141 | I/O — User I/O pin (function defined by design) |
| Pin 142 | I/O — User I/O pin (function defined by design) |
| Pin 143 | I/O — User I/O pin (function defined by design) |
| Pin 144 | VCC — 5.0 V supply |
| Pin 145 | I/O — User I/O pin (function defined by design) |
| Pin 146 | I/O — User I/O pin (function defined by design) |
| Pin 147 | I/O — User I/O pin (function defined by design) |
| Pin 148 | I/O — User I/O pin (function defined by design) |
| Pin 149 | I/O — User I/O pin (function defined by design) |
| Pin 150 | GND — Ground |
| Pin 151 | I/O — User I/O pin (function defined by design) |
| Pin 152 | I/O — User I/O pin (function defined by design) |
| Pin 153 | I/O — User I/O pin (function defined by design) |
| Pin 154 | I/O — User I/O pin (function defined by design) |
| Pin 155 | I/O — User I/O pin (function defined by design) |
| Pin 156 | VCC — 5.0 V supply |
| Pin 157 | I/O — User I/O pin (function defined by design) |
| Pin 158 | I/O — User I/O pin (function defined by design) |
| Pin 159 | I/O — User I/O pin (function defined by design) |
| Pin 160 | I/O — User I/O pin (function defined by design) |
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
EPF8452AQC160-4N is suitable for 6 applications: PCI Bus Interface and Glue Logic, Industrial Control and Instrumentation, Legacy Peripheral and Memory Controller Hub, Telecommunications Backplane Bridging, Aerospace and Defense Avionics Retrofit, Test and Measurement Equipment.
PCI Bus Interface and Glue Logic
The EPF8452AQC160-4N is well-suited for PCI bus interface and 32-bit microprocessor glue logic, where its 336 logic elements and 120 maximum user I/Os (68 user I/Os on the QFP-160 variant) consolidate multiple 22V10 PAL/GAL devices and 74-series glue logic onto one programmable chip. The device's 5.0 V VCCINT and PCI-compliant I/O support allow direct connection to a 33 MHz PCI bus without external transceivers. Designers typically instantiate address decoding, wait-state generation, and bus-arbitration state machines in the LAB array, while the FastTrack interconnect routes 32-bit datapath signals with predictable timing. Its 357 MHz internal Fmax headroom comfortably absorbs PCI's 33 MHz cycle time plus setup/hold margins.
Recommended
Industrial Control and Instrumentation
Long-lifecycle industrial platforms — CNC controllers, programmable logic controllers, and process instrumentation — frequently embed the EPF8452AQC160-4N because of its commercial 0 °C to 70 °C range, robust PQFP-160 footprint, and field-upgradeable SRAM configuration. The 336-LE density supports multi-channel encoder counters, PWM generators, and Modbus/Profibus protocol state machines. With 68 usable I/Os in the QFP-160, designers can fan out to opto-isolated 24 V field I/O via external drivers. For 30-year industrial programs, the part's well-documented FLEX 8000 family datasheet and obsolete-component broker ecosystem keep the supply alive well beyond its original Altera production window.
Recommended
Legacy Peripheral and Memory Controller Hub
The EPF8452AQC160-4N serves as a peripheral-controller hub in legacy systems requiring integration of ISA, VME, or proprietary parallel buses with modern microprocessors. Its 4,000-gate equivalent density absorbs address-latch, chip-select, and DMA-acknowledge logic that previously occupied 4-6 discrete PLDs. The 5 V tolerant I/O interfaces directly with 5 V peripherals and SRAM/DRAM without level shifters, simplifying board layout. The FLEX 8000's dedicated carry chains enable 8/16/32-bit counter and adder functions in a single LAB row, while the cascade chains implement wide fan-in decoding for chip-select generation across a 24-bit address space.
Recommended
Telecommunications Backplane Bridging
In telecom backplane applications the EPF8452AQC160-4N implements T1/E1 framer glue, HDLC controllers, and time-slot interchangers that need fast register-rich logic. Its 357 MHz Fmax comfortably clocks 8-bit HDLC channels at 8.192 MHz while leaving timing margin for backplane propagation delays. The 5 V I/O directly drives ECL/TTL line-interface units. Designers commonly pair the FLEX 8000 FPGA with a small microcontroller that downloads the configuration bitstream from an EPC1 at board power-up, allowing field reconfiguration when telecom standards evolve. The 68 user I/Os on the QFP-160 package handle up to 8 T1/E1 framers plus supervisory GPIOs.
Recommended
Aerospace and Defense Avionics Retrofit
The EPF8452AQC160-4N is qualified for use in many long-life avionics platforms where flight-certified hardware must remain in service for 20+ years without redesign. Its CMOS SRAM architecture enables Mission Computer Display Unit (MCDU), Flight Management System (FMS), and radar-signal-processor glue logic upgrades by simply updating the configuration EPROM. The commercial 0 °C to 70 °C temperature grade limits it to pressurized-cabin or ground-support applications; for harsher environments, the EPF8452AQI208-4 military-grade variant in a different package is required. The 4,000-gate density and 5 V tolerance make it ideal for retrofitting 1990s-vintage MIL-STD-1553 bus interfaces.
Recommended
Test and Measurement Equipment
Test equipment manufacturers embed the EPF8452AQC160-4N in logic analyzers, protocol testers, and ATE fixtures where reconfigurable stimulus/response patterns are essential. The device's 336 LEs implement parallel pattern generators, timing generators, and capture comparators that can be reloaded from a host PC via EPC1 reconfiguration at test-program changeover. The 68 user I/Os on the QFP-160 drive up to 17 channels of 4-bit stimulus, while the internal FastTrack interconnect routes trigger and clock trees with deterministic skew. Reusing the same hardware platform across many test programs by simply swapping the configuration bitstream is the core economic advantage of SRAM FPGAs in this domain.
Recommended
Recommended Products Summary
Engineering reference data for EPF8452AQC160-4N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF8452AQC160-4 | EPF8452AQC160-3 | EPF8452AQC160-3AC | EPF8452AQC160-2 | EPF8452AGC160-3 | EPF8452AGC160-3N |
|---|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | PQFP-160 | PQFP-160 - same | PQFP-160 - same | PQFP-160 - same | PQFP-160 - same | PQFP-160 - same | PQFP-160 - same |
| Logic Elements | 336 LEs | 336 LEs | 336 LEs | 336 LEs | 336 LEs | 336 LEs | 336 LEs |
| Logic Array Blocks | 42 LABs | 42 LABs | 42 LABs | 42 LABs | 42 LABs | 42 LABs | 42 LABs |
| Speed Grade | -4 (fastest) | -4 (same) | -3 (~10-15% slower) | -3 with AC timing | -2 (slowest, ~20-25% slower) | -3 (~10-15% slower) | -3 (~10-15% slower) |
| User I/Os (this package) | 68 | 68 | 68 | 68 | 68 | 68 | 68 |
| Supply Voltage | 5.0 V | 5.0 V | 5.0 V | 5.0 V | 5.0 V | 5.0 V | 5.0 V |
| Operating Temperature | 0 °C to 70 °C | 0 °C to 70 °C | 0 °C to 70 °C | 0 °C to 70 °C | 0 °C to 70 °C | 0 °C to 70 °C | 0 °C to 70 °C |
| Terminal Finish | Pb-free (Sn) | Pb (SnPb) | Pb-free | Pb-free | Pb-free | Pb-free (green) | Pb-free (green) |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Fastest commercial speed grade in the FLEX 8000 EPF8452 PQFP-160 family (vs EPF8452AQC160-3)
- Lead-free terminal finish aligns with RoHS production lines (vs EPF8452AQC160-4)
- Same die as legacy FLEX 8000 platform — bitstream compatible (vs EPF8452AQC160-2)
Design Notes
The EPF8452AQC160-4N operates from a single 5.0 V VCCINT supply. Add 0.1 µF ceramic decoupling capacitors within 5 mm of every VCC pin and bulk 10-47 µF tantalum or aluminum-polymer capacitors at the board entry. The FLEX 8000 family datasheet defines roughly 16 VCC and 16 GND pins distributed around the PQFP-160 perimeter — each pair must be individually decoupled to prevent VCC sag during simultaneous switching of output registers, which can otherwise corrupt configuration latches during power-up.
Route the FLEX 8000 dedicated configuration pins (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0, MSEL0, MSEL1) as short stubs to the configuration EPROM or EPC1/EPC1064/EPC1213/EPC1441 device — keep these traces under 50 mm and away from switching I/O to avoid coupling noise into the configuration shift register. Use a 4-layer PCB with continuous power and ground planes; the PQFP-160's lead pitch (0.635 mm) requires 6-mil traces and 6-mil spaces with solder-mask-defined pads for reliable assembly.
Estimated: A common FLEX 8000 bring-up mistake is leaving the JTAG pins (JTG_TDO/TDI/TCK/TMS) floating — tie them to known logic via 10 kΩ pull-ups on TDI/TCK/TMS and either route or pull-down TDO. Floating JTAG can spuriously interrupt configuration via the IEEE 1149.1 boundary-scan logic. Also confirm MSEL0/MSEL1 match the chosen configuration mode (00 = EPC1 serial, 01 = EPC1441 serial, 10 = parallel EPROM); an incorrect MSEL setting prevents configuration even with valid bitstream data on DATA0.
Estimated: At maximum toggle activity on all 68 user I/Os simultaneously, the EPF8452AQC160-4N may dissipate approximately 0.5-0.8 W. The PQFP-160 has a typical θJA of 35-45 °C/W on a 4-layer PCB, giving a junction temperature rise of 18-36 °C above ambient — well within the 70 °C commercial limit. For continuous high-activity designs, however, add a copper heat-spreader under the package or upgrade to the AQFP-160 footprint variant. The 0-70 °C operating range is strictly commercial; for industrial -40 °C to +85 °C use the EPF8452AQI208 part in a different package.
Compliance Information
RoHS compliance inferred from 'N' suffix per Altera legacy naming convention (Pb-free terminal finish). REACH, halogen-free, and conflict-mineral status not stated in the verified web data; treat as unknown. AEC-Q100 not applicable — this is a commercial-grade FPGA, not an automotive-qualified part.
