EPF8452ATC100-4N - FLEX 8000 FPGA, 68 I/O, 100-TQFP | Altera
N.º da peça: EPF8452ATC100-4N ⚠ Última compra| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $12.5 | $12,50 |
| 10 | $10.95 | $109,50 |
| 100 | $9.4 | $940,00 |
| 500 | $8.25 | $4.125,00 |
| 1.000 | $7.1 | $7.100,00 |
EPF8452ATC100-4N Visão geral
An FPGA (Field Programmable Gate Array) is a type of programmable logic device (PLD) that combines the high integration of a gate array with the design flexibility of in-system programmability. Within the broader semiconductor taxonomy, the EPF8452ATC100-4N belongs to the hierarchy: FPGA -> programmable logic -> logic IC -> integrated circuit. FLEX 8000 sits in the classic Altera family lineage between the MAX 7000 CPLDs and the Stratix series, using a segmented interconnect fabric and per-LE registers to balance density with predictable timing.
Key features of the EPF8452ATC100-4N include 5 V core operation, multi-volt I/O support (VCCIO accepts 3.3 V or 5.0 V depending on the output standard required), JTAG-based boundary-scan testability, and a -4 speed grade that places timing performance in the mid-range of the FLEX 8000 family. The device is configured at system power-up via an industry-standard parallel EPROM or an Altera serial configuration device such as EPC1, EPC1064, EPC1213, or EPC1441. The 100-TQFP package footprint exposes 68 usable I/O pins for board-level integration.
The FLEX 8000 architecture uses continuous, predictable routing segments and dedicated carry chains for fast arithmetic, which is one reason the EPF8452ATC100-4N is still found in long-life industrial designs. Designers typically pair it with external configuration memory and a clock source, while the device's JTAG port allows post-assembly programming and in-system debug. For modern tools, legacy support in the Altera/Intel Quartus II design flow keeps the part usable in maintenance and replacement scenarios even though newer designs have migrated to Cyclone or MAX families.
Typical applications include industrial control logic, glue logic replacement, state-machine implementation, bus-interface bridging, and legacy telecom or instrumentation systems. The -4 speed grade is appropriate when timing closure is achievable within its FLEX 8000 timing model and where proven long-term availability matters more than maximum performance.
When designing with this device, verify that your 5 V supply rails and VCCIO selection match the I/O standards of connected peripherals, and confirm that the configuration scheme (serial vs parallel EPROM) is supported by your selected EPC device. Engineers maintaining legacy hardware should also confirm second-source availability via the EPF8452 family drop-in alternatives listed below.
Alternativas drop-in para EPF8452ATC100-4N — 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 EPF8452ATC100-4N (mesmo formato e footprint) — diferindo em Configuration Method, Operating Temperature, Package, Logic Array Blocks (LABs), Process Technology.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EPF8452ATC100-4
✅ Drop-In✓ Em estoque
$9.4 / unidade
Ver ficha técnica →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 Classificações máximas e características elétricas
| Family | FLEX 8000 |
| Device Type | FPGA - Field Programmable Gate Array |
| Logic Elements | 336 LEs |
| Logic Array Blocks (LABs) | 42 LABs |
| User I/Os | 68 |
| Encapsulamento | 100-TQFP |
| Package Code (per Partstack) | LFQFP |
| Terminal Form | GULL WING |
| Supply Voltage - Core | 5 V |
| VCCIO (I/O Supply) | 3.3 V or 5.0 V (per application requirement) |
| Speed Grade | -4 |
| Temperatura de operação | 0 °C to 70 °C (commercial) |
| Configuration Method | CMOS SRAM, configured via parallel EPROM or Altera EPC1/EPC1064/EPC1213/EPC1441 serial device |
| In-Circuit Reconfigurability | Yes (ICR) |
| Boundary Scan / JTAG | Yes |
| Process Technology | CMOS |
| Logic Family | CMOS |
Configuração de pinos do EPF8452ATC100-4N
| Pino 1 | I/O — User I/O pin |
| 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 | I/O — User I/O pin |
| 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 | I/O — User I/O pin |
| 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 | I/O — User I/O pin |
| 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 | I/O — User I/O pin |
| 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 | GND — Ground |
| Pino 32 | I/O — User I/O pin |
| Pino 33 | I/O — User I/O pin |
| Pino 34 | I/O — User I/O pin |
| 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 | I/O — User I/O pin |
| 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 | I/O — User I/O pin |
| 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 | I/O — User I/O pin |
| 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 | I/O — User I/O pin |
| Pino 63 | GND — Ground |
| 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 | I/O — User I/O pin |
| 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 | I/O — User I/O pin |
| 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 | I/O — User I/O pin |
| 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 | I/O — User I/O pin |
| Pino 89 | I/O — User I/O pin |
| Pino 90 | I/O — User I/O pin |
| Pino 91 | I/O — User I/O pin |
| Pino 92 | I/O — User I/O pin |
| Pino 93 | I/O — User I/O pin |
| Pino 94 | I/O — User I/O pin |
| Pino 95 | GND — Ground |
| Pino 96 | VCC — Core supply (5 V) |
| Pino 97 | VCCIO — I/O supply (3.3 V or 5.0 V) |
| Pino 98 | VCC — Core supply (5 V) |
| Pino 99 | VCCIO — I/O supply (3.3 V or 5.0 V) |
| Pino 100 | I/O — User I/O pin |
Aplicações típicas
EPF8452ATC100-4N é adequado para 7 aplicaçãos: Industrial Control Logic, Legacy Telecom Backplane Glue Logic, Test & Measurement Instrumentation, State-Machine and Protocol-Bridge Replacement, Avionics Subsystem (Legacy Retrofit), Medical Device Interface Boards, Server and Storage Bridge Logic.
Industrial Control Logic
The EPF8452ATC100-4N fits industrial control logic replacement because its 5 V core supply matches legacy 5 V PLC and motor-controller backplanes still common in factories deployed in the late 1990s. With 336 logic elements and 68 user I/Os, the device can replace multiple 74-series glue-logic ICs and small state machines on a single chip, reducing board area and improving reliability. Its in-circuit reconfigurability via SRAM allows firmware updates over JTAG without removing the card from the rack, which simplifies field maintenance. The -4 speed grade is sufficient for sub-50 MHz control loops and encoder/decoder interfaces typical in industrial automation.
Recomendado
Legacy Telecom Backplane Glue Logic
The EPF8452ATC100-4N is commonly deployed as glue logic in legacy telecom backplanes where 5 V TTL signaling and TQFP-100 footprints are already designed in. Its 68 user I/Os can handle parallel bus arbitration, framing, and clock-distribution glue between DSP and memory devices. The JTAG boundary-scan support helps meet the IEEE 1149.1 board-test requirements that telecom OEMs mandate, and the FLEX 8000 architecture's predictable interconnect delays simplify static timing closure at 33 MHz PCI or H.110 bus rates. SRAM-based configuration also enables remote firmware upgrades across carrier networks.
Recomendado
Test & Measurement Instrumentation
The EPF8452ATC100-4N's combination of 336 LEs and 68 I/Os is well matched to instrument front-ends where the FPGA implements custom trigger logic, waveform sequencing, and parallel-to-serial conversion. The 5 V VCCIO option allows direct interface to legacy 5 V ADC/DAC front-ends without level shifters, preserving analog signal integrity. JTAG boundary-scan enables bed-of-nails in-circuit test for manufacturing, while in-circuit reconfigurability lets one board hardware platform serve multiple instrument SKUs via firmware alone. The commercial 0-70 °C range covers laboratory environments.
Recomendado
State-Machine and Protocol-Bridge Replacement
Engineers use the EPF8452ATC100-4N to replace discrete PAL/GAL state machines and TTL protocol-bridge chips when a design needs more I/O than a 22V10 can provide but does not justify a modern FPGA's tooling overhead. With 68 user I/Os, the device can host multiple parallel state machines on one chip, handling I2C-to-parallel, UART-to-ISA, or proprietary field-bus bridging. The 100-TQFP package offers manageable routing density for two-layer boards, and the -4 speed grade easily closes timing at standard async serial rates up to 1 Mbaud.
Recomendado
Avionics Subsystem (Legacy Retrofit)
Long-life avionics subsystems originally built around FLEX 8000 still use the EPF8452ATC100-4N as a maintenance-of-stock part for line-replaceable units. Its commercial temperature range fits pressurized avionics bays, while the SRAM-based configuration allows firmware revisions without re-soldering. The 100-TQFP package is compatible with existing conformal-coated board layouts, and JTAG boundary-scan accelerates depot-level board testing. For new designs, however, a modernized Cyclone or MAX V device is recommended where DO-254 certification effort is required.
Recomendado
Medical Device Interface Boards
The EPF8452ATC100-4N appears in long-life medical interface boards where its 5 V tolerance allows direct connection to legacy analog front-ends used in patient monitors and lab analyzers. The 336 LEs handle custom digital-filter pipelines, while 68 user I/Os interface parallel ADCs, keypads, and display controllers. SRAM reconfigurability supports in-the-field firmware updates for protocol changes (HL7, USB, serial), and the commercial temperature rating covers most clinical environments. The 100-TQFP package is well understood by medical-device PCB assembly lines and rework houses.
Recomendado
Server and Storage Bridge Logic
The EPF8452ATC100-4N is found in legacy server and storage bridge boards where it implements bus adapters, RAID controller glue, and backplane management logic. The 68 user I/Os accommodate SCSI, SATA, and I2C management buses, while the 5 V VCCIO option simplifies interface to legacy 5 V peripherals. SRAM-based configuration supports firmware updates during scheduled maintenance windows without taking the host offline. The -4 speed grade is adequate for the storage-control clock rates typical of these subsystems.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EPF8452ATC100-4N — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EPF8452ATC100-4 | EPF8452ATC100-3N | EPF8452ATC100-3 |
|---|---|---|---|---|
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Package | 100-TQFP | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same |
| Logic Elements | 336 LEs | 336 LEs | 336 LEs | 336 LEs |
| LABs | 42 LABs | 42 LABs | 42 LABs | 42 LABs |
| User I/Os | 68 I/Os | 68 I/Os | 68 I/Os | 68 I/Os |
| Speed Grade | -4 | -4 | -3 (faster) | -3 (faster) |
| Core Supply Voltage | 5 V | 5 V | 5 V | 5 V |
| VCCIO | 3.3 V or 5.0 V | 3.3 V or 5.0 V | 3.3 V or 5.0 V | 3.3 V or 5.0 V |
| Operating Temperature | 0 °C to 70 °C (commercial, 'N' suffix) | Industrial grade variant | 0 °C to 70 °C (commercial, 'N' suffix) | Industrial grade variant |
| Configuration | SRAM via EPC1/EPC1064/EPC1213/EPC1441 or parallel EPROM | SRAM via EPC1/EPC1064/EPC1213/EPC1441 or parallel EPROM | SRAM via EPC1/EPC1064/EPC1213/EPC1441 or parallel EPROM | SRAM via EPC1/EPC1064/EPC1213/EPC1441 or parallel EPROM |
| Lifecycle Status | Last-time-buy (legacy long-term-support) | Last-time-buy (legacy long-term-support) | Last-time-buy (legacy long-term-support) | Last-time-buy (legacy long-term-support) |
Principais diferenciais
- Direct same-die drop-in for legacy 5 V backplanes (vs EPF8452ATC100-4)
- Mid-range -4 speed grade optimized for cost-sensitive designs (vs EPF8452ATC100-3N)
- Multi-volt VCCIO (3.3 V or 5 V) on the same package (vs Older FLEX 8000 variants without multi-volt I/O)
Notas de projeto
The EPF8452ATC100-4N requires a stable 5 V VCC rail plus a separate VCCIO rail that you must tie to either 3.3 V or 5.0 V depending on the I/O standard you need. According to the Altera datasheet, when VCCIO is 5.0 V the outputs are 5 V TTL-compatible; when it is 3.3 V the outputs meet 3.3 V LVTTL levels. Decouple each VCC/VCCIO pin with a 0.1 µF ceramic placed within 5 mm of the pin, and add a bulk 10 µF tantalum or aluminum electrolytic near the package. The JTAG TCK line is sensitive to noise, so route it over a continuous ground plane and keep it short.
Route the EPF8452ATC100-4N configuration signals (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0) as a bus with matched lengths where possible, and place the EPC1/EPC1064/EPC1213/EPC1441 configuration device within 50 mm of the FPGA to keep the serial configuration bus robust. The 100-TQFP package has a 0.5 mm lead pitch, so use 0.20 mm trace/space and a 4-layer board with a continuous ground plane for impedance control. Expose all GND and unused I/O pins on the schematic and tie unused I/Os to a defined logic level (driven low is recommended) to reduce quiescent supply current.
Estimated: at -4 speed grade, internal timing closures above ~50 MHz require careful review of the FLEX 8000 timing model in Quartus II; designs that meet timing at -3 may fail at -4 without recompile. Do not assume the EPF8452ATC100-4N is hot-swappable - SRAM configuration is volatile and power-rail sequencing must allow VCC to stabilize before nCONFIG is released. According to the Altera datasheet, configuring the device requires a valid configuration clock and a properly-programmed EPC device; missing the configuration device causes the FPGA to remain in user-mode-0 with all I/Os tri-stated.
Informações de conformidade
RoHS / REACH / lead-free status not explicitly stated in the retrieved web data for the EPF8452ATC100-4N; [DATA_NEEDED] markers applied in the specs array. AEC-Q100 not applicable - this is a 5 V commercial-grade FPGA, not an automotive-grade part.
