EPF8452ATC100-4 - FLEX 8000 FPGA, 4K Gates, 68 I/O, 100-TQFP | Intel / Altera
N.º da peça: EPF8452ATC100-4 ⚠ Última compra| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $17.7 | $17,70 |
| 10 | $15.2 | $152,00 |
| 100 | $12.8 | $1.280,00 |
| 500 | $10.95 | $5.475,00 |
| 1.000 | $9.4 | $9.400,00 |
EPF8452ATC100-4 Visão geral
A Field Programmable Gate Array (FPGA) is a class of programmable logic device (PLD) that combines the high gate density of gate arrays with the design flexibility of in-circuit reprogrammability. Within the broader taxonomy, the FLEX 8000 family sits between classic CPLDs (lower density, non-volatile) and modern SRAM FPGAs (higher density, volatile). It belongs to the power management and digital logic IC hierarchy: programmable logic device -> field programmable gate array -> SRAM-based FPGA -> Altera FLEX 8000 family.
Key features include MultiVolt I/O support for 3.3V/5V mixed-voltage interfacing (except EPF8636A in 84-pin packages), fast in-circuit reconfigurability (ICR) via SRAM configuration with industry-standard EPROM or Altera serial configuration devices (EPC1, EPC1213, EPC1064, EPC1441), and register-rich architecture that provides high logic utilization per gate. The TQFP-100 surface-mount package supports automated assembly.
The FLEX 8000 architecture features a continuous interconnect network of fast, predictable routing paths, segmented into local and FastTrack Interconnect regions, allowing deterministic timing closure for designs up to approximately 16,000 usable gates. Each LAB contains 8 logic elements with carry and cascade chains, and the embedded memory array blocks support efficient state-machine and datapath implementation. The device is configured at system power-up by loading SRAM cells from an external configuration EPROM or a microcontroller.
Typical applications include glue logic for legacy 5V microprocessor systems, bus-interface bridging (ISA, VME, PCI in 5V domains), industrial control and instrumentation front-ends, prototyping platforms for ASIC replacement, telecommunications line cards requiring moderate-density programmable logic, and avionics / military retrofits where long-lifecycle Altera FLEX parts remain qualified.
When designing with this device, ensure that the 5V VCCINT supply is well decoupled with 0.1 uF and 10 uF capacitors placed close to the package, and verify configuration-mode strap settings against the selected EPCx configuration device. For new designs consider migrating to a Cyclone or MAX series device, as the FLEX 8000 family is mature and approaching end-of-life.
This page synthesizes distributor availability, FLEX 8000 family drop-in alternatives, and practical configuration-design guidance not consolidated in the original datasheet.
Alternativas drop-in para EPF8452ATC100-4 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com EPF8452ATC100-4 (mesmo formato e footprint) — diferindo em Configuration Method, Process Technology, Package, Usable Gates, Operating Temperature.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EPF8452ATC100-3N
✅ Drop-In✓ Em estoque
$13.75 / unidade
Ver ficha técnica →EPF8452ATC100-3
✅ Drop-In✓ Em estoque
$5.95 / unidade
Ver ficha técnica →EPF8452ATC100-4N
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$7.1 / unidade
Ver ficha técnica →EPF8282ATC100-4
✅ Drop-In✓ Em estoque
$9.95 / unidade
Ver ficha técnica →EPF8282ATC100-3
✅ Drop-In✓ Em estoque
$10.25 / unidade
Ver ficha técnica →EPF8452ATC100-4 Classificações máximas e características elétricas
| Manufacturer | Intel (formerly Altera Corporation) |
| Series | FLEX 8000 |
| Device Type | FPGA (Field Programmable Gate Array) |
| Logic Elements / Cells | 336 |
| Logic Array Blocks (LABs) | 42 |
| Usable Gates | approximately 4,000 (up to 16,000 across family) |
| User I/O Pins | 68 |
| Número de pinos | 100 |
| Package Type | 100-TQFP (14 x 14 mm, surface mount) |
| Supply Voltage (VCCINT) | 5 V |
| I/O Voltage Support | 3.3 V or 5.0 V (MultiVolt I/O) |
| Process Technology | CMOS SRAM |
| Configuration Method | SRAM, loaded from EPC1 / EPC1213 / EPC1064 / EPC1441 or external EPROM/microcontroller |
| Speed Grade | -4 |
| Temperatura de operação | 0 C to 70 C (Commercial) |
| Logic Family | CMOS |
Configuração de pinos do EPF8452ATC100-4
| Pino 1 | GND — Ground |
| Pino 2 | I/O — User I/O pin |
| Pino 3 | I/O — User I/O pin |
| Pino 4 | I/O — User I/O pin |
| Pino 5 | I/O — User I/O pin |
| Pino 6 | I/O — User I/O pin |
| Pino 7 | VCCINT — 5V core supply |
| Pino 8 | I/O — User I/O pin |
| Pino 9 | I/O — User I/O pin |
| Pino 10 | I/O — User I/O pin |
| Pino 11 | I/O — User I/O pin |
| Pino 12 | GND — Ground |
| Pino 13 | I/O — User I/O pin |
| Pino 14 | I/O — User I/O pin |
| Pino 15 | I/O — User I/O pin |
| Pino 16 | I/O — User I/O pin |
| Pino 17 | I/O — User I/O pin |
| Pino 18 | I/O — User I/O pin |
| Pino 19 | I/O — User I/O pin |
| Pino 20 | I/O — User I/O pin |
| Pino 21 | VCCINT — 5V core supply |
| Pino 22 | I/O — User I/O pin |
| Pino 23 | I/O — User I/O pin |
| Pino 24 | I/O — User I/O pin |
| Pino 25 | I/O — User I/O pin |
| Pino 26 | I/O — User I/O pin |
| Pino 27 | GND — Ground |
| Pino 28 | I/O — User I/O pin |
| Pino 29 | I/O — User I/O pin |
| Pino 30 | I/O — User I/O pin |
| Pino 31 | I/O — User I/O pin |
| Pino 32 | I/O — User I/O pin |
| Pino 33 | I/O — User I/O pin |
| Pino 34 | VCCINT — 5V core supply |
| Pino 35 | I/O — User I/O pin |
| Pino 36 | I/O — User I/O pin |
| Pino 37 | I/O — User I/O pin |
| Pino 38 | I/O — User I/O pin |
| Pino 39 | I/O — User I/O pin |
| Pino 40 | GND — Ground |
| Pino 41 | I/O — User I/O pin |
| Pino 42 | I/O — User I/O pin |
| Pino 43 | I/O — User I/O pin |
| Pino 44 | I/O — User I/O pin |
| Pino 45 | I/O — User I/O pin |
| Pino 46 | I/O — User I/O pin |
| Pino 47 | VCCIO — I/O supply (3.3V or 5.0V) |
| Pino 48 | I/O — User I/O pin |
| Pino 49 | I/O — User I/O pin |
| Pino 50 | I/O — User I/O pin |
| Pino 51 | I/O — User I/O pin |
| Pino 52 | I/O — User I/O pin |
| Pino 53 | GND — Ground |
| Pino 54 | I/O — User I/O pin |
| Pino 55 | I/O — User I/O pin |
| Pino 56 | I/O — User I/O pin |
| Pino 57 | I/O — User I/O pin |
| Pino 58 | I/O — User I/O pin |
| Pino 59 | I/O — User I/O pin |
| Pino 60 | I/O — User I/O pin |
| Pino 61 | I/O — User I/O pin |
| Pino 62 | VCCINT — 5V core supply |
| Pino 63 | I/O — User I/O pin |
| Pino 64 | I/O — User I/O pin |
| Pino 65 | I/O — User I/O pin |
| Pino 66 | I/O — User I/O pin |
| Pino 67 | I/O — User I/O pin |
| Pino 68 | GND — Ground |
| Pino 69 | I/O — User I/O pin |
| Pino 70 | I/O — User I/O pin |
| Pino 71 | I/O — User I/O pin |
| Pino 72 | I/O — User I/O pin |
| Pino 73 | I/O — User I/O pin |
| Pino 74 | I/O — User I/O pin |
| Pino 75 | VCCIO — I/O supply (3.3V or 5.0V) |
| Pino 76 | I/O — User I/O pin |
| Pino 77 | I/O — User I/O pin |
| Pino 78 | I/O — User I/O pin |
| Pino 79 | I/O — User I/O pin |
| Pino 80 | I/O — User I/O pin |
| Pino 81 | GND — Ground |
| Pino 82 | I/O — User I/O pin |
| Pino 83 | I/O — User I/O pin |
| Pino 84 | I/O — User I/O pin |
| Pino 85 | I/O — User I/O pin |
| Pino 86 | I/O — User I/O pin |
| Pino 87 | I/O — User I/O pin |
| Pino 88 | VCCINT — 5V core supply |
| Pino 89 | TCK — JTAG test clock (boundary scan) |
| Pino 90 | TMS — JTAG test mode select |
| Pino 91 | TDO — JTAG test data out |
| Pino 92 | TDI — JTAG test data in |
| Pino 93 | nCONFIG — Configuration control (active low) |
| Pino 94 | nSTATUS — Configuration status (active low) |
| Pino 95 | CONF_DONE — Configuration complete |
| Pino 96 | DCLK — Configuration clock input |
| Pino 97 | DATA — Configuration data input |
| Pino 98 | I/O — User I/O pin |
| Pino 99 | I/O — User I/O pin |
| Pino 100 | I/O — User I/O pin |
Aplicações típicas
EPF8452ATC100-4 é adequado para 6 aplicaçãos: Legacy 5V Microprocessor Glue Logic, ISA / VME / PCI 5V Bus Bridge, Industrial Control Front-End, ASIC Replacement Prototyping Platform, Telecommunications Line Card Logic, Test & Measurement Front-End.
Legacy 5V Microprocessor Glue Logic
The EPF8452ATC100-4's 5V VCCINT and MultiVolt 3.3V/5V I/O make it ideal for legacy 5V Intel 386/486, 68k, VME and industrial CPU systems. With 4,000 usable gates, 336 logic elements and 42 LABs, the device absorbs address-decoding, wait-state generation and chip-select glue between a 5V CPU and 5V peripherals. The 68 user I/Os comfortably cover 16- and 32-bit address/data multiplexed buses plus control signals, removing several discrete 74LS/74F packages from the BOM and improving long-term reliability.
Recomendado
ISA / VME / PCI 5V Bus Bridge
For 5V ISA, VME and early PCI bus systems the EPF8452ATC100-4 provides bus-bridge state machines, parity logic and wait-state generators in a single 100-TQFP device. The 5V-tolerant I/O directly interfaces with 5V bus transceivers without level shifters, and the 4K usable gates are sufficient for dual-bus protocol translation. The 68 I/Os comfortably support 16-bit data plus address and control signals, and the SRAM-based architecture permits in-field firmware updates via reconfiguration from a fresh EPC image.
Recomendado
Industrial Control Front-End
Industrial PLC and process-control front-ends use the EPF8452ATC100-4 for encoder decoding, PWM generation, opto-isolated input conditioning and stepper-motor pulse trains. The device's 5V I/O directly drives 5V opto-couplers and 24V-driver stages through external transistors, while the 4K usable gates absorb multiple 74LS logic functions into one package. Commercial 0 to 70 C operation covers most indoor control cabinets, and the 100-TQFP surface-mount package supports automated assembly for volume production.
Recomendado
ASIC Replacement Prototyping Platform
The EPF8452ATC100-4 is widely used as an ASIC-emulation vehicle during pre-silicon validation, allowing engineers to drop in RTL designs and iterate at hardware speed before committing to a gate-array or cell-based ASIC. With 4K usable gates, 336 logic elements and 68 user I/Os the device emulates small to medium custom ASICs used in printer controllers, scanner front-ends and embedded peripherals. The SRAM-based in-circuit reconfigurability lets designers swap bitstreams in seconds, dramatically shortening prototype-to-production time.
Recomendado
Telecommunications Line Card Logic
Telecommunications line cards built on legacy 5V platforms use the EPF8452ATC100-4 for TDM time-slot switching, HDLC framing, alarm monitoring and framer-interface glue logic. The 68 user I/Os are sufficient for 8-bit TDM buses plus HDB3/B8ZS coding control, and the 4K usable gates absorb protocol-state machines that previously required a small ASIC. The 100-TQFP package has well-defined thermal behavior under continuous 5V operation, and the SRAM configuration supports remote firmware updates via in-system programming.
Recomendado
Test & Measurement Front-End
Bench-top test equipment and ATE pin-electronics use the EPF8452ATC100-4 to generate stimulus patterns, decode response signatures and arbitrate handshakes between the host controller and the DUT interface. The 5V MultiVolt I/O directly drives comparator and driver stages, while 4K usable gates implement pattern sequencers and result comparators. JTAG boundary-scan support simplifies board bring-up and in-system test, and 100-TQFP package availability eases assembly for medium-volume T&M product runs.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EPF8452ATC100-4 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EPF8452ATC100-3N | EPF8452ATC100-3 | EPF8452ATC100-4N | EPF8282ATC100-4 | EPF8282ATC100-3 |
|---|---|---|---|---|---|---|
| Package | 100-TQFP | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same family package | 100-TQFP - same family package |
| Brand | Intel (formerly Altera) | Intel | Intel | Intel | Intel | Intel |
| Family | FLEX 8000 (EPF8452) | FLEX 8000 (EPF8452) | FLEX 8000 (EPF8452) | FLEX 8000 (EPF8452) | FLEX 8000 (EPF8282, larger) | FLEX 8000 (EPF8282, larger) |
| Speed Grade | -4 | -3N (faster) | -3 (faster) | -4 (same) | -4 (same) | -3 (faster) |
| Logic Elements | 336 | 336 | 336 | 336 | different (larger die) | different (larger die) |
| Usable Gates | ~4,000 | ~4,000 | ~4,000 | ~4,000 | different (larger) | different (larger) |
| LABs | 42 | 42 | 42 | 42 | different | different |
| User I/O | 68 | 68 | 68 | 68 | varies per package | varies per package |
| Supply Voltage | 5V VCCINT, 3.3V/5V VCCIO | 5V VCCINT, 3.3V/5V VCCIO | 5V VCCINT, 3.3V/5V VCCIO | 5V VCCINT, 3.3V/5V VCCIO | 5V VCCINT, 3.3V/5V VCCIO | 5V VCCINT, 3.3V/5V VCCIO |
| 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 |
Principais diferenciais
- Faster Fmax than -4 grade (vs EPF8452ATC100-4)
- Larger logic capacity in same package (vs EPF8282ATC100-4)
- Lower dynamic power than faster speed grades (vs EPF8452ATC100-3N)
Notas de projeto
The EPF8452ATC100-4 requires a clean 5V VCCINT supply and a separately decoupled VCCIO rail (3.3V or 5V). Place a 10 uF tantalum plus a 0.1 uF ceramic on each VCCINT pin and a 1 uF ceramic plus 0.1 uF on VCCIO. Estimated Icc core current at 25 MHz toggling across all 68 I/Os is approximately 60-80 mA; verify with the FLEX 8000 power estimator spreadsheet from Altera. Keep analog and digital grounds separated by a single star-point under the device to reduce ground bounce during simultaneous switching.
Route configuration pins (DCLK, DATA, nCONFIG, nSTATUS, CONF_DONE) as short traces to the EPCx configuration device and include 4.7 kohm pull-ups on nCONFIG and nSTATUS. Place the configuration EPROM within 50 mm of the FPGA to avoid signal-integrity issues. JTAG chain (TCK/TMS/TDO/TDI) should be routed with 4.7 kohm pull-ups on TCK/TMS/TDI and series 33 ohm damping resistors near the FPGA when multiple JTAG devices are chained. Use a continuous ground plane beneath the TQFP-100 footprint.
Do not confuse the EPF8452ATC100-4 (100-TQFP, 4K gates, -4 speed) with the EPF8452ALC84-4 (84-PLCC, same die but fewer user I/Os) or with larger FLEX 8000 dies like EPF8282 or EPF8636A - each has a different pinout. The MultiVolt I/O feature only supports 3.3V or 5.0V VCCIO, not 2.5V or 1.8V. Configuration must complete within the EPCx device's POR timeout; otherwise the device enters user mode with random state and may briefly drive illegal logic levels on output pins.
Informações de conformidade
RoHS, REACH and lead-free status not specified in distributor data for this mature Altera / Intel part; request the latest material declaration from the authorized distributor before committing to RoHS-critical production.
