EPF8452AGC160-3 - FLEX 8000 FPGA, 5K Gates, 160-PQFP | Altera
MPN: EPF8452AGC160-3 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $34.2 | $342.00 |
| 100 | $29.95 | $2,995.00 |
| 500 | $26.4 | $13,200.00 |
| 1,000 | $23.1 | $23,100.00 |
Drop-in alternatives for EPF8452AGC160-3 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:
EPF8636AQC160-3
β Drop-Inπ Reference alternative (not in catalog)
EPF8820AQC160-3
β Drop-Inπ Reference alternative (not in catalog)
EPF8452AGC160-3 Maximum Ratings & Electrical Characteristics
| Family | FLEX 8000 |
| Logic Elements (LEs) | 336 |
| Usable Gates | ~4,000 (up to 16,000 in family) |
| User I/O Pins | 120 |
| Supply Voltage | 4.75 V to 5.25 V |
| Supply Voltage (nominal) | 5 V |
| Operating Temperature | 0 C to +70 C (Commercial) |
| Speed Grade | -3 |
| Package | 160-pin PQFP (BQFP, 28x28 mm) |
| Process Technology | CMOS, SRAM-based |
| Configuration Method | SRAM, in-circuit reconfigurable (ICR) |
| JTAG Support | Yes (IEEE 1149.1 boundary-scan) |
| Global Clock Networks | 4 low-skew |
| Mounting Type | Surface Mount |
EPF8452AGC160-3 Pin Configuration
| Pin 1 | I/O β User I/O pin (bank 1) |
| Pin 2 | I/O β User I/O pin (bank 1) |
| Pin 3 | I/O β User I/O pin (bank 1) |
| Pin 4 | I/O β User I/O pin (bank 1) |
| Pin 5 | I/O β User I/O pin (bank 1) |
| Pin 6 | VCC β 5V supply voltage |
| Pin 7 | GND β Ground |
| Pin 8 | I/O β User I/O pin (bank 1) |
| Pin 9 | I/O β User I/O pin (bank 1) |
| Pin 10 | I/O β User I/O pin (bank 1) |
| Pin 11 | I/O β User I/O pin (bank 1) |
| Pin 12 | I/O β User I/O pin (bank 1) |
| Pin 13 | I/O β User I/O pin (bank 1) |
| Pin 14 | I/O β User I/O pin (bank 1) |
| Pin 15 | I/O β User I/O pin (bank 1) |
| Pin 16 | I/O β User I/O pin (bank 1) |
| Pin 17 | I/O β User I/O pin (bank 1) |
| Pin 18 | I/O β User I/O pin (bank 1) |
| Pin 19 | I/O β User I/O pin (bank 1) |
| Pin 20 | I/O β User I/O pin (bank 1) |
| Pin 21 | GND β Ground |
| Pin 22 | I/O β User I/O pin (bank 2) |
| Pin 23 | I/O β User I/O pin (bank 2) |
| Pin 24 | I/O β User I/O pin (bank 2) |
| Pin 25 | I/O β User I/O pin (bank 2) |
| Pin 26 | I/O β User I/O pin (bank 2) |
| Pin 27 | I/O β User I/O pin (bank 2) |
| Pin 28 | I/O β User I/O pin (bank 2) |
| Pin 29 | I/O β User I/O pin (bank 2) |
| Pin 30 | VCC β 5V supply voltage |
| Pin 31 | I/O β User I/O pin (bank 2) |
| Pin 32 | I/O β User I/O pin (bank 2) |
| Pin 33 | I/O β User I/O pin (bank 2) |
| Pin 34 | I/O β User I/O pin (bank 2) |
| Pin 35 | I/O β User I/O pin (bank 2) |
| Pin 36 | I/O β User I/O pin (bank 2) |
| Pin 37 | I/O β User I/O pin (bank 2) |
| Pin 38 | I/O β User I/O pin (bank 2) |
| Pin 39 | I/O β User I/O pin (bank 2) |
| Pin 40 | GND β Ground |
| Pin 41 | I/O β User I/O pin (bank 3) |
| Pin 42 | I/O β User I/O pin (bank 3) |
| Pin 43 | I/O β User I/O pin (bank 3) |
| Pin 44 | I/O β User I/O pin (bank 3) |
| Pin 45 | I/O β User I/O pin (bank 3) |
| Pin 46 | I/O β User I/O pin (bank 3) |
| Pin 47 | I/O β User I/O pin (bank 3) |
| Pin 48 | I/O β User I/O pin (bank 3) |
| Pin 49 | I/O β User I/O pin (bank 3) |
| Pin 50 | VCC β 5V supply voltage |
| Pin 51 | I/O β User I/O pin (bank 3) |
| Pin 52 | I/O β User I/O pin (bank 3) |
| Pin 53 | I/O β User I/O pin (bank 3) |
| Pin 54 | I/O β User I/O pin (bank 3) |
| Pin 55 | I/O β User I/O pin (bank 3) |
| Pin 56 | I/O β User I/O pin (bank 3) |
| Pin 57 | I/O β User I/O pin (bank 3) |
| Pin 58 | I/O β User I/O pin (bank 3) |
| Pin 59 | I/O β User I/O pin (bank 3) |
| Pin 60 | GND β Ground |
| Pin 61 | I/O β User I/O pin (bank 4) |
| Pin 62 | I/O β User I/O pin (bank 4) |
| Pin 63 | I/O β User I/O pin (bank 4) |
| Pin 64 | I/O β User I/O pin (bank 4) |
| Pin 65 | I/O β User I/O pin (bank 4) |
| Pin 66 | I/O β User I/O pin (bank 4) |
| Pin 67 | I/O β User I/O pin (bank 4) |
| Pin 68 | I/O β User I/O pin (bank 4) |
| Pin 69 | I/O β User I/O pin (bank 4) |
| Pin 70 | VCC β 5V supply voltage |
| Pin 71 | I/O β User I/O pin (bank 4) |
| Pin 72 | I/O β User I/O pin (bank 4) |
| Pin 73 | I/O β User I/O pin (bank 4) |
| Pin 74 | I/O β User I/O pin (bank 4) |
| Pin 75 | I/O β User I/O pin (bank 4) |
| Pin 76 | I/O β User I/O pin (bank 4) |
| Pin 77 | I/O β User I/O pin (bank 4) |
| Pin 78 | I/O β User I/O pin (bank 4) |
| Pin 79 | I/O β User I/O pin (bank 4) |
| Pin 80 | GND β Ground |
| Pin 81 | I/O β User I/O pin (bank 5) |
| Pin 82 | I/O β User I/O pin (bank 5) |
| Pin 83 | I/O β User I/O pin (bank 5) |
| Pin 84 | I/O β User I/O pin (bank 5) |
| Pin 85 | I/O β User I/O pin (bank 5) |
| Pin 86 | I/O β User I/O pin (bank 5) |
| Pin 87 | I/O β User I/O pin (bank 5) |
| Pin 88 | I/O β User I/O pin (bank 5) |
| Pin 89 | I/O β User I/O pin (bank 5) |
| Pin 90 | VCC β 5V supply voltage |
| Pin 91 | I/O β User I/O pin (bank 5) |
| Pin 92 | I/O β User I/O pin (bank 5) |
| Pin 93 | I/O β User I/O pin (bank 5) |
| Pin 94 | I/O β User I/O pin (bank 5) |
| Pin 95 | I/O β User I/O pin (bank 5) |
| Pin 96 | I/O β User I/O pin (bank 5) |
| Pin 97 | I/O β User I/O pin (bank 5) |
| Pin 98 | I/O β User I/O pin (bank 5) |
| Pin 99 | I/O β User I/O pin (bank 5) |
| Pin 100 | GND β Ground |
| Pin 101 | I/O β User I/O pin (bank 6) |
| Pin 102 | I/O β User I/O pin (bank 6) |
| Pin 103 | I/O β User I/O pin (bank 6) |
| Pin 104 | I/O β User I/O pin (bank 6) |
| Pin 105 | I/O β User I/O pin (bank 6) |
| Pin 106 | I/O β User I/O pin (bank 6) |
| Pin 107 | I/O β User I/O pin (bank 6) |
| Pin 108 | I/O β User I/O pin (bank 6) |
| Pin 109 | I/O β User I/O pin (bank 6) |
| Pin 110 | VCC β 5V supply voltage |
| Pin 111 | I/O β User I/O pin (bank 6) |
| Pin 112 | I/O β User I/O pin (bank 6) |
| Pin 113 | I/O β User I/O pin (bank 6) |
| Pin 114 | I/O β User I/O pin (bank 6) |
| Pin 115 | I/O β User I/O pin (bank 6) |
| Pin 116 | I/O β User I/O pin (bank 6) |
| Pin 117 | I/O β User I/O pin (bank 6) |
| Pin 118 | I/O β User I/O pin (bank 6) |
| Pin 119 | I/O β User I/O pin (bank 6) |
| Pin 120 | GND β Ground |
| Pin 121 | nCONFIG β Configuration control (active low) |
| Pin 122 | nSTATUS β Configuration status (active low) |
| Pin 123 | CONF_DONE β Configuration done |
| Pin 124 | DCLK β Configuration clock input |
| Pin 125 | DATA β Configuration data input |
| Pin 126 | VCC β 5V supply voltage |
| Pin 127 | GND β Ground |
| Pin 128 | CLK1 β Global clock input 1 |
| Pin 129 | CLK2 β Global clock input 2 |
| Pin 130 | CLK3 β Global clock input 3 |
| Pin 131 | CLK4 β Global clock input 4 |
| Pin 132 | TDI β JTAG test data in |
| Pin 133 | TDO β JTAG test data out |
| Pin 134 | TMS β JTAG test mode select |
| Pin 135 | TCK β JTAG test clock |
| Pin 136 | DEV_CLRn β Device-wide clear (active low) |
| Pin 137 | DEV_OE β Device-wide output enable |
| Pin 138 | INIT_DONE β Initialization done |
| Pin 139 | VCC β 5V supply voltage |
| Pin 140 | GND β Ground |
| Pin 141 | I/O β User I/O pin (bank 7) |
| Pin 142 | I/O β User I/O pin (bank 7) |
| Pin 143 | I/O β User I/O pin (bank 7) |
| Pin 144 | I/O β User I/O pin (bank 7) |
| Pin 145 | I/O β User I/O pin (bank 7) |
| Pin 146 | I/O β User I/O pin (bank 7) |
| Pin 147 | I/O β User I/O pin (bank 7) |
| Pin 148 | I/O β User I/O pin (bank 7) |
| Pin 149 | VCC β 5V supply voltage |
| Pin 150 | I/O β User I/O pin (bank 7) |
| Pin 151 | I/O β User I/O pin (bank 7) |
| Pin 152 | I/O β User I/O pin (bank 7) |
| Pin 153 | I/O β User I/O pin (bank 7) |
| Pin 154 | I/O β User I/O pin (bank 7) |
| Pin 155 | I/O β User I/O pin (bank 7) |
| Pin 156 | I/O β User I/O pin (bank 7) |
| Pin 157 | GND β Ground |
| Pin 158 | I/O β User I/O pin (bank 8) |
| Pin 159 | I/O β User I/O pin (bank 8) |
| Pin 160 | I/O β User I/O pin (bank 8) |
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
EPF8452AGC160-3 is suitable for 6 applications: Industrial Glue Logic Replacement, Telecom Line-Card Interface Bridge, Legacy Industrial Bus Protocol Converter, Test & Measurement Front-End Controller, Military & Aerospace Avionics Retrofit, Prototyping and Education Platform.
Industrial Glue Logic Replacement
The EPF8452AGC160-3 replaces discrete 74LS/74HC glue logic in legacy industrial controllers, consolidating dozens of small MSI devices into a single programmable device. Its 336 LEs and 120 I/O pins cover the typical gate-to-pin ratio of bus-isolation, address-decoding, and signal-conditioning circuits found in PLC backplanes and motor-control I/O cards. The 4.75 V to 5.25 V supply matches existing 5 V industrial rails without level translators, while the 0 C to +70 C commercial range suits factory-floor enclosures. Designers can store multiple logic configurations in a single EPC configuration PROM and swap personalities in-circuit, simplifying field upgrades and SKU variants across product families.
Recommended
Telecom Line-Card Interface Bridge
The EPF8452AGC160-3 acts as a programmable bus bridge between legacy telecom line-card ASICs and modern backplane fabrics in T1/E1, ISDN, and early DSLAM equipment. Its 120 I/O pins accommodate parallel UTOPIA, H.110, or proprietary bus interfaces, while the four global clock networks route TDM bit-clock and frame-sync signals with sub-nanosecond skew. The 5 V tolerance allows direct connection to legacy 5 V line-interface units without external buffers. With 336 LEs, the device comfortably handles bus multiplexing, parity generation, and elastic-store buffering at low to medium line densities, and the in-circuit reconfigurability allows field protocol updates without board swap.
Recommended
Legacy Industrial Bus Protocol Converter
In factory automation retrofits, the EPF8452AGC160-3 converts between Profibus, Modbus, DeviceNet, and proprietary fieldbuses on legacy equipment. The 336 LEs are sufficient to implement protocol-state machines, CRC checkers, and timing-critical interrupt handlers in a single device, replacing custom ASICs that have reached end-of-life. Its JTAG IEEE 1149.1 boundary-scan interface enables in-system diagnostics and rapid prototype bring-up on existing PCBs. The 160-PQFP package with 28x28 mm body is also compatible with hand-soldering for repair and refurbishment of older machinery where surface-mount BGA rework would be impractical.
Recommended
Test & Measurement Front-End Controller
The EPF8452AGC160-3 serves as a front-panel timing and pattern generator in bench-top oscilloscopes, logic analyzers, and signal generators from the late 1990s and early 2000s. Its four global low-skew clock networks deliver matched-edge timing across multiple output channels, while the 120 I/O pins drive 7-segment displays, keyboard scanners, and GPIB/IEEE-488 interfaces. Designers can update test patterns in-circuit via JTAG, allowing lab engineers to add new test sequences without board modification. The 336 LEs fit typical waveform-arbitrary sequence, trigger-coincidence, and display-multiplex logic with margin.
Recommended
Military & Aerospace Avionics Retrofit
Although specified only for commercial 0 C to +70 C, the EPF8452AGC160-3 has been widely deployed in military and avionics subsystems where the operating envelope is controlled. It implements ARINC 429, MIL-STD-1553, and discrete I/O aggregation in line-replaceable units (LRUs) for helicopters and commercial aircraft. Its SRAM-based architecture supports in-flight firmware updates via JTAG when the LRU is on the ground, and its 5 V tolerance matches the 28 V/5 V avionics power bus after DC-DC conversion. Long-life-cycle distributors still stock the EPF8452AGC160-3 specifically for avionics sustainment programs.
Recommended
Prototyping and Education Platform
The EPF8452AGC160-3 is a popular teaching example in university digital-design laboratories because it fits in a 160-PQFP package that students can solder by hand and its 336 LEs are enough to demonstrate processor cores, UARTs, and VGA controllers in a single lab session. The Altera MAX+PLUS II and Quartus design tools fully support FLEX 8000 synthesis and simulation, with abundant example designs in textbooks from the early 2000s. The JTAG interface allows students to program and debug directly from the host PC, and the 5 V tolerance means the device can be interfaced directly with TTL lab equipment without voltage translators.
Recommended
Recommended Products Summary
Engineering reference data for EPF8452AGC160-3 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF8636AQC160-3 | EPF8820AQC160-3 | EPF81500ARC304-3 | EPF8282ATC100-3 | EPF6024ATC144-3 |
|---|---|---|---|---|---|---|
| Package | 160-pin PQFP | 160-pin PQFP - same | 160-pin PQFP - same | 304-pin RQFP - different | 100-pin TQFP - different | 144-pin TQFP - different |
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Family | FLEX 8000 | FLEX 8000 | FLEX 8000 | FLEX 8000 | FLEX 8000 | FLEX 6000 |
| Logic Elements | 336 LEs | 5,616 LEs | 672 LEs | 15,000 LEs | 208 LEs | 16 LEs |
| Usable Gates | ~4,000 | ~36,000 | ~8,000 | ~150,000 | ~2,500 | ~2,000 |
| User I/O | 120 | 120 | 120 | 208 | 68 | 96 |
| Supply Voltage | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 3.0 V to 3.6 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 |
| Process | CMOS SRAM | CMOS SRAM | CMOS SRAM | CMOS SRAM | CMOS SRAM | CMOS SRAM |
Key Differentiators
- 5 V tolerant I/O eliminates need for level shifters in legacy backplanes (vs EPF6024ATC144-3)
- 120 user I/O pins support wide parallel buses without external muxing (vs EPF8282ATC100-3)
- 336 LEs with FastTrack interconnect deliver fast timing closure (vs EPF6024ATC144-3)
- Larger 160-PQFP package supports hand-soldering for legacy repair (vs EPF81500ARC304-3)
Design Notes
Estimated: the EPF8452AGC160-3 typically draws 100 mA to 350 mA at 5 V depending on logic utilization and toggle rate. Decouple each VCC/GND pair with 0.1 uF X7R ceramic placed within 5 mm of the package pins. Add a bulk 22 uF tantalum or 47 uF aluminum electrolytic capacitor near the package for low-frequency decoupling. The I/O banks share the 5 V supply with the core; no separate VCCIO rail is required. Configure unused I/O pins as outputs driving low or as inputs with internal weak pull-ups enabled to minimize in-rush current during configuration.
Configure the EPF8452AGC160-3 using an EPC1, EPC2, or EPC1064 configuration PROM in passive-serial mode, or via JTAG (IEEE 1149.1) using the ByteBlaster or BitBlaster cable. The configuration bitstream is approximately 95 Kbits. Tie nCONFIG high with a 10 kohm pull-up and CONF_DONE high with a 10 kohm pull-up to ensure proper initialization. If using JTAG only, leave MSEL pins in the correct state per the FLEX 8000 datasheet to disable other configuration modes. Always release DEV_OE before driving user I/O to avoid contention.
The 160-pin PQFP has 0.65 mm pitch leads and 28x28 mm body; use a 4-layer PCB with continuous ground plane beneath the device for thermal dissipation and signal-integrity. Route clock traces first on the top layer with 50 ohm controlled impedance and length matching; gate skews within 250 mil across all four global clock inputs. Place decoupling capacitors on the same layer as the FPGA, with vias to the ground plane placed within 1 mm of the capacitor pad. Provide a solid copper pour over the entire package top to act as a heat spreader for designs that exceed 70% LE utilization.
The FLEX 8000 I/O pins use 5 V LVTTL signaling with slew-rate control. Source-terminate high-speed outputs (transition rates above 33 MHz) with a 33 ohm series resistor placed within 5 mm of the FPGA pin to dampen reflections. For PCI-compliant operation, hold VCC at 5 V +/-5% and observe the 33 ohm AC series-impedance requirement on the PCI bus pins. Keep JTAG chain stub lengths under 25 mm and add a 10 kohm pull-up on TCK and TMS to prevent spurious JTAG state transitions in noisy environments.
Do not attempt to JTAG-program a fresh EPF8452AGC160-3 without first verifying the configuration mode pins - the device will silently enter passive-serial mode and ignore JTAG if MSEL is wrong. Do not assume LVCMOS 3.3 V signaling works directly - the EPF8452 outputs are 5 V TTL and will overdrive 3.3 V receivers unless a current-limiting resistor or level shifter is used. Do not hot-swap the configuration PROM while the FPGA is powered; always power-down before changing configuration hardware.
Compliance Information
FLEX 8000 family is a legacy product predating widespread RoHS adoption; the EPF8452AGC160-3 typically ships with lead-based terminations (SnPb). For RoHS-compliant rebuilds, use a Cyclone III/IV equivalent. Commercial temperature grade only - no industrial or automotive variants.
