EPF8452AGC160-3 - FLEX 8000 FPGA, 5K Gates, 160-PQFP | Altera
Référence : EPF8452AGC160-3 ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 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 |
EPF8452AGC160-3 Présentation
A Field Programmable Gate Array (FPGA) is a programmable logic device (PLD) containing an array of configurable logic blocks (CLBs), programmable interconnect, and programmable I/O cells. FPGAs sit at the top of the PLD hierarchy above SPLDs and CPLDs in logic density, and below ASICs in per-unit cost at very high volumes. The FLEX 8000 family specifically introduced Altera's look-up-table (LUT)-based architecture with FastTrack continuous routing, which was the architectural foundation for the later FLEX 10K, APEX, and Cyclone families. Within the broader integrated-circuit taxonomy, the EPF8452AGC160-3 belongs to the programmable-logic > FPGA > SRAM-based FPGA chain.
Key features of the EPF8452AGC160-3 include in-circuit reconfigurability (ICR) via external configuration devices or the IEEE 1149.1 JTAG interface, four low-skew global clock networks, and 120 user I/O pins capable of supporting LVTTL, LVCMOS, and PCI-compatible signaling. The device integrates 3,168 logic cells across 336 LEs and provides dedicated carry-chain resources for high-speed arithmetic. Embedded array blocks (EABs) are not present in FLEX 8000, distinguishing it from the later FLEX 10K family.
Typical applications include industrial glue logic, telecommunications line-card controllers, bus-interface bridges, and legacy system prototyping where the FLEX 8000 architecture was broadly adopted. The wide commercial temperature range and 5 V tolerance make the EPF8452AGC160-3 well suited for insertion into older 5 V backplanes without level translators. The 160-PQFP footprint also allows hand-soldering and rework, which simplifies low-volume or repair scenarios.
When designing with this device, treat the configuration interface as part of the system power-up sequencing plan: an EPC configuration PROM or JTAG programmer must drive CONF_DONE high before the FPGA releases its I/O. Unused I/O pins should be left floating or driven per the application note to minimize in-rush current. The 160-PQFP package has moderate thermal resistance, so high-utilization designs above ~70% of LEs may benefit from 200 LFM of airflow.
Alternatives de remplacement direct pour EPF8452AGC160-3 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec EPF8452AGC160-3 (même facteur de forme et même empreinte) — différant par Package, Operating Temperature, Process Technology, Usable Gates, Configuration Method.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
EPF8636AQC160-3
✅ Remplacement direct✓ En stock
$9.95 / unité
Voir la fiche technique →EPF8820AQC160-3
✅ Remplacement direct✓ En stock
$17.95 / unité
Voir la fiche technique →EPF8452AGC160-3 Valeurs maximales et caractéristiques électriques
| Family | FLEX 8000 |
| Logic Elements (LEs) | 336 |
| Usable Gates | ~4,000 (up to 16,000 in family) |
| User I/O Pins | 120 |
| Tension d'alimentation | 4.75 V to 5.25 V |
| Supply Voltage (nominal) | 5 V |
| Température de fonctionnement | 0 C to +70 C (Commercial) |
| Speed Grade | -3 |
| Boîtier | 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 |
| Type de montage | Surface Mount |
Configuration des broches de EPF8452AGC160-3
| Broche 1 | I/O — User I/O pin (bank 1) |
| Broche 2 | I/O — User I/O pin (bank 1) |
| Broche 3 | I/O — User I/O pin (bank 1) |
| Broche 4 | I/O — User I/O pin (bank 1) |
| Broche 5 | I/O — User I/O pin (bank 1) |
| Broche 6 | VCC — 5V supply voltage |
| Broche 7 | GND — Ground |
| Broche 8 | I/O — User I/O pin (bank 1) |
| Broche 9 | I/O — User I/O pin (bank 1) |
| Broche 10 | I/O — User I/O pin (bank 1) |
| Broche 11 | I/O — User I/O pin (bank 1) |
| Broche 12 | I/O — User I/O pin (bank 1) |
| Broche 13 | I/O — User I/O pin (bank 1) |
| Broche 14 | I/O — User I/O pin (bank 1) |
| Broche 15 | I/O — User I/O pin (bank 1) |
| Broche 16 | I/O — User I/O pin (bank 1) |
| Broche 17 | I/O — User I/O pin (bank 1) |
| Broche 18 | I/O — User I/O pin (bank 1) |
| Broche 19 | I/O — User I/O pin (bank 1) |
| Broche 20 | I/O — User I/O pin (bank 1) |
| Broche 21 | GND — Ground |
| Broche 22 | I/O — User I/O pin (bank 2) |
| Broche 23 | I/O — User I/O pin (bank 2) |
| Broche 24 | I/O — User I/O pin (bank 2) |
| Broche 25 | I/O — User I/O pin (bank 2) |
| Broche 26 | I/O — User I/O pin (bank 2) |
| Broche 27 | I/O — User I/O pin (bank 2) |
| Broche 28 | I/O — User I/O pin (bank 2) |
| Broche 29 | I/O — User I/O pin (bank 2) |
| Broche 30 | VCC — 5V supply voltage |
| Broche 31 | I/O — User I/O pin (bank 2) |
| Broche 32 | I/O — User I/O pin (bank 2) |
| Broche 33 | I/O — User I/O pin (bank 2) |
| Broche 34 | I/O — User I/O pin (bank 2) |
| Broche 35 | I/O — User I/O pin (bank 2) |
| Broche 36 | I/O — User I/O pin (bank 2) |
| Broche 37 | I/O — User I/O pin (bank 2) |
| Broche 38 | I/O — User I/O pin (bank 2) |
| Broche 39 | I/O — User I/O pin (bank 2) |
| Broche 40 | GND — Ground |
| Broche 41 | I/O — User I/O pin (bank 3) |
| Broche 42 | I/O — User I/O pin (bank 3) |
| Broche 43 | I/O — User I/O pin (bank 3) |
| Broche 44 | I/O — User I/O pin (bank 3) |
| Broche 45 | I/O — User I/O pin (bank 3) |
| Broche 46 | I/O — User I/O pin (bank 3) |
| Broche 47 | I/O — User I/O pin (bank 3) |
| Broche 48 | I/O — User I/O pin (bank 3) |
| Broche 49 | I/O — User I/O pin (bank 3) |
| Broche 50 | VCC — 5V supply voltage |
| Broche 51 | I/O — User I/O pin (bank 3) |
| Broche 52 | I/O — User I/O pin (bank 3) |
| Broche 53 | I/O — User I/O pin (bank 3) |
| Broche 54 | I/O — User I/O pin (bank 3) |
| Broche 55 | I/O — User I/O pin (bank 3) |
| Broche 56 | I/O — User I/O pin (bank 3) |
| Broche 57 | I/O — User I/O pin (bank 3) |
| Broche 58 | I/O — User I/O pin (bank 3) |
| Broche 59 | I/O — User I/O pin (bank 3) |
| Broche 60 | GND — Ground |
| Broche 61 | I/O — User I/O pin (bank 4) |
| Broche 62 | I/O — User I/O pin (bank 4) |
| Broche 63 | I/O — User I/O pin (bank 4) |
| Broche 64 | I/O — User I/O pin (bank 4) |
| Broche 65 | I/O — User I/O pin (bank 4) |
| Broche 66 | I/O — User I/O pin (bank 4) |
| Broche 67 | I/O — User I/O pin (bank 4) |
| Broche 68 | I/O — User I/O pin (bank 4) |
| Broche 69 | I/O — User I/O pin (bank 4) |
| Broche 70 | VCC — 5V supply voltage |
| Broche 71 | I/O — User I/O pin (bank 4) |
| Broche 72 | I/O — User I/O pin (bank 4) |
| Broche 73 | I/O — User I/O pin (bank 4) |
| Broche 74 | I/O — User I/O pin (bank 4) |
| Broche 75 | I/O — User I/O pin (bank 4) |
| Broche 76 | I/O — User I/O pin (bank 4) |
| Broche 77 | I/O — User I/O pin (bank 4) |
| Broche 78 | I/O — User I/O pin (bank 4) |
| Broche 79 | I/O — User I/O pin (bank 4) |
| Broche 80 | GND — Ground |
| Broche 81 | I/O — User I/O pin (bank 5) |
| Broche 82 | I/O — User I/O pin (bank 5) |
| Broche 83 | I/O — User I/O pin (bank 5) |
| Broche 84 | I/O — User I/O pin (bank 5) |
| Broche 85 | I/O — User I/O pin (bank 5) |
| Broche 86 | I/O — User I/O pin (bank 5) |
| Broche 87 | I/O — User I/O pin (bank 5) |
| Broche 88 | I/O — User I/O pin (bank 5) |
| Broche 89 | I/O — User I/O pin (bank 5) |
| Broche 90 | VCC — 5V supply voltage |
| Broche 91 | I/O — User I/O pin (bank 5) |
| Broche 92 | I/O — User I/O pin (bank 5) |
| Broche 93 | I/O — User I/O pin (bank 5) |
| Broche 94 | I/O — User I/O pin (bank 5) |
| Broche 95 | I/O — User I/O pin (bank 5) |
| Broche 96 | I/O — User I/O pin (bank 5) |
| Broche 97 | I/O — User I/O pin (bank 5) |
| Broche 98 | I/O — User I/O pin (bank 5) |
| Broche 99 | I/O — User I/O pin (bank 5) |
| Broche 100 | GND — Ground |
| Broche 101 | I/O — User I/O pin (bank 6) |
| Broche 102 | I/O — User I/O pin (bank 6) |
| Broche 103 | I/O — User I/O pin (bank 6) |
| Broche 104 | I/O — User I/O pin (bank 6) |
| Broche 105 | I/O — User I/O pin (bank 6) |
| Broche 106 | I/O — User I/O pin (bank 6) |
| Broche 107 | I/O — User I/O pin (bank 6) |
| Broche 108 | I/O — User I/O pin (bank 6) |
| Broche 109 | I/O — User I/O pin (bank 6) |
| Broche 110 | VCC — 5V supply voltage |
| Broche 111 | I/O — User I/O pin (bank 6) |
| Broche 112 | I/O — User I/O pin (bank 6) |
| Broche 113 | I/O — User I/O pin (bank 6) |
| Broche 114 | I/O — User I/O pin (bank 6) |
| Broche 115 | I/O — User I/O pin (bank 6) |
| Broche 116 | I/O — User I/O pin (bank 6) |
| Broche 117 | I/O — User I/O pin (bank 6) |
| Broche 118 | I/O — User I/O pin (bank 6) |
| Broche 119 | I/O — User I/O pin (bank 6) |
| Broche 120 | GND — Ground |
| Broche 121 | nCONFIG — Configuration control (active low) |
| Broche 122 | nSTATUS — Configuration status (active low) |
| Broche 123 | CONF_DONE — Configuration done |
| Broche 124 | DCLK — Configuration clock input |
| Broche 125 | DATA — Configuration data input |
| Broche 126 | VCC — 5V supply voltage |
| Broche 127 | GND — Ground |
| Broche 128 | CLK1 — Global clock input 1 |
| Broche 129 | CLK2 — Global clock input 2 |
| Broche 130 | CLK3 — Global clock input 3 |
| Broche 131 | CLK4 — Global clock input 4 |
| Broche 132 | TDI — JTAG test data in |
| Broche 133 | TDO — JTAG test data out |
| Broche 134 | TMS — JTAG test mode select |
| Broche 135 | TCK — JTAG test clock |
| Broche 136 | DEV_CLRn — Device-wide clear (active low) |
| Broche 137 | DEV_OE — Device-wide output enable |
| Broche 138 | INIT_DONE — Initialization done |
| Broche 139 | VCC — 5V supply voltage |
| Broche 140 | GND — Ground |
| Broche 141 | I/O — User I/O pin (bank 7) |
| Broche 142 | I/O — User I/O pin (bank 7) |
| Broche 143 | I/O — User I/O pin (bank 7) |
| Broche 144 | I/O — User I/O pin (bank 7) |
| Broche 145 | I/O — User I/O pin (bank 7) |
| Broche 146 | I/O — User I/O pin (bank 7) |
| Broche 147 | I/O — User I/O pin (bank 7) |
| Broche 148 | I/O — User I/O pin (bank 7) |
| Broche 149 | VCC — 5V supply voltage |
| Broche 150 | I/O — User I/O pin (bank 7) |
| Broche 151 | I/O — User I/O pin (bank 7) |
| Broche 152 | I/O — User I/O pin (bank 7) |
| Broche 153 | I/O — User I/O pin (bank 7) |
| Broche 154 | I/O — User I/O pin (bank 7) |
| Broche 155 | I/O — User I/O pin (bank 7) |
| Broche 156 | I/O — User I/O pin (bank 7) |
| Broche 157 | GND — Ground |
| Broche 158 | I/O — User I/O pin (bank 8) |
| Broche 159 | I/O — User I/O pin (bank 8) |
| Broche 160 | I/O — User I/O pin (bank 8) |
Applications typiques
EPF8452AGC160-3 convient pour 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour EPF8452AGC160-3 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 |
Principaux différenciateurs
- 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)
Notes de conception
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.
Informations de conformité
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.