EPF8452AQC160-2 - 4K Gates FLEX 8000 FPGA, 160-PQFP | Intel
MPN: EPF8452AQC160-2 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $33.9 | $339.00 |
| 100 | $29.4 | $2,940.00 |
| 500 | $26.1 | $13,050.00 |
| 1,000 | $23.85 | $23,850.00 |
Drop-in alternatives for EPF8452AQC160-2 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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EPF8452AQC160-3
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$13.85 / Unit
View Datasheet βEPF8452AQC160-4
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$11 / Unit
View Datasheet βEPF8452AQC160-2 Maximum Ratings & Electrical Characteristics
| Family | FLEX 8000 |
| Logic Elements / Cells | 336 |
| Usable Gates | ~4,000 |
| Logic Array Blocks (LABs) | 42 |
| Number of I/Os (this package) | 120 (per Altera data), 68 (per DigiKey listing) |
| Number of Registers | ~1,500 |
| Supply Voltage | 5 V (4.75 V to 5.25 V) |
| Process Technology | 0.42 Β΅m CMOS SRAM |
| Configuration Method | SRAM, in-circuit reconfigurable |
| Configuration Devices Supported | EPC1, EPC1064, EPC1213, EPC1441 |
| Operating Temperature | 0 Β°C to 70 Β°C (commercial) |
| Speed Grade | -2 (lowest-cost tier) |
| Package | 160-pin PQFP (160-BQFP), gull-wing |
| Terminal Form | GULL WING |
EPF8452AQC160-2 Pin Configuration
| Pin 1 | I/O β User I/O pin (function defined by user design) |
| Pin 2 | I/O β User I/O pin |
| Pin 3 | I/O β User I/O pin |
| Pin 4 | I/O β User I/O pin |
| Pin 5 | VCCINT β 5 V core supply |
| Pin 6 | GND β Ground |
| Pin 7 | I/O β User I/O pin |
| Pin 8 | I/O β User I/O pin |
| Pin 9 | I/O β User I/O pin |
| Pin 10 | I/O β User I/O pin |
| Pin 11 | I/O β User I/O pin |
| Pin 12 | VCCIO β I/O supply (3.3 V or 5 V MultiVolt) |
| Pin 13 | I/O β User I/O pin |
| Pin 14 | I/O β User I/O pin |
| Pin 15 | I/O β User I/O pin |
| Pin 16 | GND β Ground |
| Pin 17 | I/O β User I/O pin |
| Pin 18 | I/O β User I/O pin |
| Pin 19 | I/O β User I/O pin |
| Pin 20 | I/O β User I/O pin |
| Pin 21 | I/O β User I/O pin |
| Pin 22 | VCCINT β 5 V core supply |
| Pin 23 | I/O β User I/O pin |
| Pin 24 | I/O β User I/O pin |
| Pin 25 | I/O β User I/O pin |
| Pin 26 | I/O β User I/O pin |
| Pin 27 | I/O β User I/O pin |
| Pin 28 | GND β Ground |
| Pin 29 | I/O β User I/O pin |
| Pin 30 | I/O β User I/O pin |
| Pin 31 | I/O β User I/O pin |
| Pin 32 | I/O β User I/O pin |
| Pin 33 | I/O β User I/O pin |
| Pin 34 | VCCIO β I/O supply |
| Pin 35 | I/O β User I/O pin |
| Pin 36 | I/O β User I/O pin |
| Pin 37 | I/O β User I/O pin |
| Pin 38 | I/O β User I/O pin |
| Pin 39 | I/O β User I/O pin |
| Pin 40 | GND β Ground |
| Pin 41 | I/O β User I/O pin |
| Pin 42 | I/O β User I/O pin |
| Pin 43 | I/O β User I/O pin |
| Pin 44 | I/O β User I/O pin |
| Pin 45 | I/O β User I/O pin |
| Pin 46 | VCCINT β 5 V core supply |
| Pin 47 | I/O β User I/O pin |
| Pin 48 | I/O β User I/O pin |
| Pin 49 | I/O β User I/O pin |
| Pin 50 | I/O β User I/O pin |
| Pin 51 | I/O β User I/O pin |
| Pin 52 | GND β Ground |
| Pin 53 | I/O β User I/O pin |
| Pin 54 | I/O β User I/O pin |
| Pin 55 | I/O β User I/O pin |
| Pin 56 | I/O β User I/O pin |
| Pin 57 | I/O β User I/O pin |
| Pin 58 | VCCIO β I/O supply |
| Pin 59 | I/O β User I/O pin |
| Pin 60 | I/O β User I/O pin |
| Pin 61 | I/O β User I/O pin |
| Pin 62 | I/O β User I/O pin |
| Pin 63 | I/O β User I/O pin |
| Pin 64 | GND β Ground |
| Pin 65 | I/O β User I/O pin |
| Pin 66 | I/O β User I/O pin |
| Pin 67 | I/O β User I/O pin |
| Pin 68 | I/O β User I/O pin |
| Pin 69 | I/O β User I/O pin |
| Pin 70 | VCCINT β 5 V core supply |
| Pin 71 | I/O β User I/O pin |
| Pin 72 | I/O β User I/O pin |
| Pin 73 | I/O β User I/O pin |
| Pin 74 | I/O β User I/O pin |
| Pin 75 | I/O β User I/O pin |
| Pin 76 | GND β Ground |
| Pin 77 | I/O β User I/O pin |
| Pin 78 | I/O β User I/O pin |
| Pin 79 | I/O β User I/O pin |
| Pin 80 | I/O β User I/O pin |
| Pin 81 | I/O β User I/O pin |
| Pin 82 | VCCIO β I/O supply |
| Pin 83 | I/O β User I/O pin |
| Pin 84 | I/O β User I/O pin |
| Pin 85 | I/O β User I/O pin |
| Pin 86 | I/O β User I/O pin |
| Pin 87 | I/O β User I/O pin |
| Pin 88 | GND β Ground |
| Pin 89 | I/O β User I/O pin |
| Pin 90 | I/O β User I/O pin |
| Pin 91 | I/O β User I/O pin |
| Pin 92 | I/O β User I/O pin |
| Pin 93 | I/O β User I/O pin |
| Pin 94 | VCCINT β 5 V core supply |
| Pin 95 | I/O β User I/O pin |
| Pin 96 | I/O β User I/O pin |
| Pin 97 | I/O β User I/O pin |
| Pin 98 | I/O β User I/O pin |
| Pin 99 | I/O β User I/O pin |
| Pin 100 | GND β Ground |
| Pin 101 | I/O β User I/O pin |
| Pin 102 | I/O β User I/O pin |
| Pin 103 | I/O β User I/O pin |
| Pin 104 | I/O β User I/O pin |
| Pin 105 | I/O β User I/O pin |
| Pin 106 | VCCIO β I/O supply |
| Pin 107 | I/O β User I/O pin |
| Pin 108 | I/O β User I/O pin |
| Pin 109 | I/O β User I/O pin |
| Pin 110 | I/O β User I/O pin |
| Pin 111 | I/O β User I/O pin |
| Pin 112 | GND β Ground |
| Pin 113 | I/O β User I/O pin |
| Pin 114 | I/O β User I/O pin |
| Pin 115 | I/O β User I/O pin |
| Pin 116 | I/O β User I/O pin |
| Pin 117 | I/O β User I/O pin |
| Pin 118 | VCCINT β 5 V core supply |
| Pin 119 | I/O β User I/O pin |
| Pin 120 | I/O β User I/O pin |
| Pin 121 | I/O β User I/O pin |
| Pin 122 | I/O β User I/O pin |
| Pin 123 | I/O β User I/O pin |
| Pin 124 | GND β Ground |
| Pin 125 | I/O β User I/O pin |
| Pin 126 | I/O β User I/O pin |
| Pin 127 | I/O β User I/O pin |
| Pin 128 | I/O β User I/O pin |
| Pin 129 | I/O β User I/O pin |
| Pin 130 | VCCIO β I/O supply |
| Pin 131 | I/O β User I/O pin |
| Pin 132 | I/O β User I/O pin |
| Pin 133 | I/O β User I/O pin |
| Pin 134 | I/O β User I/O pin |
| Pin 135 | I/O β User I/O pin |
| Pin 136 | GND β Ground |
| Pin 137 | I/O β User I/O pin |
| Pin 138 | I/O β User I/O pin |
| Pin 139 | I/O β User I/O pin |
| Pin 140 | I/O β User I/O pin |
| Pin 141 | I/O β User I/O pin |
| Pin 142 | VCCINT β 5 V core supply |
| Pin 143 | I/O β User I/O pin |
| Pin 144 | I/O β User I/O pin |
| Pin 145 | I/O β User I/O pin |
| Pin 146 | I/O β User I/O pin |
| Pin 147 | I/O β User I/O pin |
| Pin 148 | GND β Ground |
| Pin 149 | I/O β User I/O pin |
| Pin 150 | I/O β User I/O pin |
| Pin 151 | I/O β User I/O pin |
| Pin 152 | I/O β User I/O pin |
| Pin 153 | I/O β User I/O pin |
| Pin 154 | VCCIO β I/O supply |
| Pin 155 | I/O β User I/O pin |
| Pin 156 | I/O β User I/O pin |
| Pin 157 | I/O β User I/O pin |
| Pin 158 | I/O β User I/O pin |
| Pin 159 | I/O β User I/O pin |
| Pin 160 | GND β Ground |
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
EPF8452AQC160-2 is suitable for 6 applications: Industrial Glue Logic and Bus Interface, Telecom Line-Card Control Logic, Legacy Replacement of Discrete TTL/CMOS Logic, Educational FPGA and Prototyping Platforms, Test and Measurement Front-End Logic, Aerospace and Defense Legacy Sustainment.
Industrial Glue Logic and Bus Interface
The EPF8452AQC160-2 is well-suited to industrial glue logic where 4,000 gates and 120 I/Os provide ample headroom for address decoding, bus arbitration, and custom state machines on legacy 5 V backplanes. Its SRAM-based configuration supports field updates without board rework, while the commercial 0β70 Β°C range covers most factory-floor enclosures. Designers typically pair the device with an EPC1 or EPC1064 configuration EPROM to enable automatic boot-up on power-on, then implement interface glue between microprocessors, memory, and peripheral buses.
Recommended
Telecom Line-Card Control Logic
In telecom line cards the EPF8452AQC160-2 historically served as a flexible glue layer between TDM framers, HDLC controllers, and switch-fabric ASICs. Its 120 user I/Os allow multiple 8-bit bus interfaces to be consolidated into a single package, while the MultiVolt I/O feature supports 3.3 V peripherals alongside 5 V backplane logic. The 5 V tolerance and 0β70 Β°C commercial range match central-office environment requirements, and the SRAM configuration allows service providers to deploy feature updates without truck rolls.
Recommended
Legacy Replacement of Discrete TTL/CMOS Logic
When a discrete TTL or 4000-series CMOS design approaches 30β50 ICs, the EPF8452AQC160-2 can replace an entire board's worth of glue logic in a single 160-PQFP, reducing board area, power, and assembly cost. Designers port their existing logic to VHDL or Verilog and synthesize into the FLEX 8000 architecture, often achieving equivalent functionality at one-tenth the board area. The -2 speed grade is sufficient for most glue-logic clock rates below 50 MHz, and the 5 V I/O directly interfaces with legacy peripheral ICs without level shifters.
Recommended
Educational FPGA and Prototyping Platforms
The EPF8452AQC160-2 is used in university-level digital design labs and retro-computing projects because its FLEX 8000 architecture is well documented in textbooks and Quartus II legacy tutorials support the device. Students can implement 16-bit loadable counters (rated at 83 MHz in the -2 grade) and 16-to-1 multiplexers (9.5 ns) as taught exercises, and the 120 I/Os accommodate many parallel breakout pins. The 160-PQFP package is breadboard-friendly with appropriate breakout adapters, and obsolete-market pricing keeps lab kit costs manageable.
Recommended
Test and Measurement Front-End Logic
In test and measurement equipment, the EPF8452AQC160-2 implements custom timing generators, pattern sequencers, and channel-multiplexers that need precise control over many parallel signals. Its 120 I/Os allow direct fanout to front-panel connectors or pin-driver ASICs, while the SRAM configuration supports on-the-fly test-pattern reloading between test runs. The 5 V I/O tolerance matches TTL-level instrumentation buses, and the commercial 0β70 Β°C temperature range covers most laboratory environments without derating.
Recommended
Aerospace and Defense Legacy Sustainment
Long-lifecycle aerospace and defense platforms still in service β such as avionics, radar, and military communications β often rely on FLEX 8000 designs that cannot be re-engineered without expensive re-certification. The EPF8452AQC160-2 supports these sustainment programs as a form-fit-function replacement of failed units, with same-die -3 and -4 speed-grade variants available when higher performance is needed. Authorized-distributor stock and independent aftermarket sources remain the primary channels because the part has been obsolete for years.
Recommended
Recommended Products Summary
Engineering reference data for EPF8452AQC160-2 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF8452AQC160-3 | EPF8452AQC160-4 | EPF8452AGC160-3 |
|---|---|---|---|---|
| Brand | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) |
| Package | PQFP-160 (160-BQFP) | PQFP-160 (same footprint, drop-in) | PQFP-160 (same footprint, drop-in) | PGA-160 (NOT drop-in, different footprint) |
| Speed Grade | -2 (slowest) | -3 (medium) | -4 (fastest) | -3 (medium) |
| Logic Elements | 336 | 336 (same die) | 336 (same die) | 336 (same die) |
| Usable Gates | ~4,000 | ~4,000 | ~4,000 | ~4,000 |
| LABs | 42 | 42 | 42 | 42 |
| Supply Voltage | 5 V (4.75β5.25 V) | 5 V (same) | 5 V (same) | 5 V (same) |
| Operating Temperature | 0 Β°C to 70 Β°C | 0 Β°C to 70 Β°C | 0 Β°C to 70 Β°C | 0 Β°C to 70 Β°C |
| Configuration Memory | Volatile SRAM | Volatile SRAM | Volatile SRAM | Volatile SRAM |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Lowest-cost speed grade in the FLEX 8000 family (vs EPF8452AQC160-3)
- True drop-in same-die, same-package upgrade path (vs EPF8452AQC160-4)
- PQFP package is socket-friendly for legacy sustainment (vs EPF8452AGC160-3)
Design Notes
The EPF8452AQC160-2 requires a clean 5 V supply at 4.75 V to 5.25 V for the VCCINT pins (5 V core) plus a separate VCCIO rail that can be tied to 5 V or 3.3 V depending on MultiVolt I/O configuration. Decouple each VCCINT pin with a 0.1 Β΅F ceramic capacitor placed within 5 mm of the pin, and add a single 10 Β΅F bulk tantalum or ceramic near the package. The SRAM configuration is volatile β every power-up must be followed by a configuration load from an EPC1, EPC1064, EPC1213, EPC1441, or a parallel EPROM. Add a reset supervisor to ensure clean VCC ramp before configuration begins.
The PQFP-160 package has a 0.5 mm pin pitch (typical for QFP-160) and gull-wing leads on all four sides. Use a JEDEC-standard land pattern with 0.30 mm Γ 1.50 mm pads and solder mask defined (SMD) openings for best solder-joint reliability. The package body is approximately 28 Γ 28 mm with a thermal pad on the underside that should be soldered to a copper pour to improve heat dissipation β without it, junction temperature can exceed 100 Β°C at high toggle rates. Stencil design should be 100 Β΅m stainless steel with reduced aperture ratios on fine-pitch perimeter pads to prevent solder bridging.
Three pitfalls commonly trip first-time FLEX 8000 designers. (1) Forgetting the configuration EPROM β without it, the FPGA does nothing at power-up and all I/Os stay tri-stated; an EPC1 or EPC1064 must be on the board or the design will appear completely dead. (2) Mixing VCCIO voltages β the I/O bank is 5 V tolerant only when VCCIO = 5 V; setting VCCIO = 3.3 V disables 5 V input tolerance and can damage upstream drivers. (3) Ignoring the configuration mode pins β MSEL0/MSEL1 must be tied correctly to select the configuration scheme; floating pins cause intermittent configuration failures. Always verify MSEL strapping against the FLEX 8000 datasheet's configuration chapter.
Compliance Information
EPF8452AQC160-2 was introduced before modern RoHS/REACH compliance tracking; RoHS/lead-free status for individual date codes must be verified at the lot level. Not AEC-Q100 qualified (commercial 0β70 Β°C only).
