EPF8452ATC100-4N - FLEX 8000 FPGA, 68 I/O, 100-TQFP | Altera
Référence : EPF8452ATC100-4N ⚠ Dernier achat| Qté | Prix unitaire | 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 Présentation
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.
Alternatives de remplacement direct pour EPF8452ATC100-4N — 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 EPF8452ATC100-4N (même facteur de forme et même empreinte) — différant par Configuration Method, Operating Temperature, Package, Logic Array Blocks (LABs), Process Technology.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
EPF8452ATC100-4
✅ Remplacement direct✓ En stock
$9.4 / unité
Voir la fiche technique →EPF8452ATC100-3N
✅ Remplacement direct✓ En stock
$13.75 / unité
Voir la fiche technique →EPF8452ATC100-3
✅ Remplacement direct✓ En stock
$5.95 / unité
Voir la fiche technique →EPF8452ATC100-4N Valeurs maximales et caractéristiques électriques
| Family | FLEX 8000 |
| Device Type | FPGA - Field Programmable Gate Array |
| Logic Elements | 336 LEs |
| Logic Array Blocks (LABs) | 42 LABs |
| User I/Os | 68 |
| Boîtier | 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 |
| Température de fonctionnement | 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 |
Configuration des broches de EPF8452ATC100-4N
| Broche 1 | I/O — User I/O pin |
| Broche 2 | I/O — User I/O pin |
| Broche 3 | I/O — User I/O pin |
| Broche 4 | I/O — User I/O pin |
| Broche 5 | I/O — User I/O pin |
| Broche 6 | I/O — User I/O pin |
| Broche 7 | I/O — User I/O pin |
| Broche 8 | I/O — User I/O pin |
| Broche 9 | I/O — User I/O pin |
| Broche 10 | I/O — User I/O pin |
| Broche 11 | I/O — User I/O pin |
| Broche 12 | I/O — User I/O pin |
| Broche 13 | I/O — User I/O pin |
| Broche 14 | I/O — User I/O pin |
| Broche 15 | I/O — User I/O pin |
| Broche 16 | I/O — User I/O pin |
| Broche 17 | I/O — User I/O pin |
| Broche 18 | I/O — User I/O pin |
| Broche 19 | I/O — User I/O pin |
| Broche 20 | I/O — User I/O pin |
| Broche 21 | I/O — User I/O pin |
| Broche 22 | I/O — User I/O pin |
| Broche 23 | I/O — User I/O pin |
| Broche 24 | I/O — User I/O pin |
| Broche 25 | I/O — User I/O pin |
| Broche 26 | I/O — User I/O pin |
| Broche 27 | I/O — User I/O pin |
| Broche 28 | I/O — User I/O pin |
| Broche 29 | I/O — User I/O pin |
| Broche 30 | I/O — User I/O pin |
| Broche 31 | GND — Ground |
| Broche 32 | I/O — User I/O pin |
| Broche 33 | I/O — User I/O pin |
| Broche 34 | I/O — User I/O pin |
| Broche 35 | I/O — User I/O pin |
| Broche 36 | I/O — User I/O pin |
| Broche 37 | I/O — User I/O pin |
| Broche 38 | I/O — User I/O pin |
| Broche 39 | I/O — User I/O pin |
| Broche 40 | I/O — User I/O pin |
| Broche 41 | I/O — User I/O pin |
| Broche 42 | I/O — User I/O pin |
| Broche 43 | I/O — User I/O pin |
| Broche 44 | I/O — User I/O pin |
| Broche 45 | I/O — User I/O pin |
| Broche 46 | I/O — User I/O pin |
| Broche 47 | I/O — User I/O pin |
| Broche 48 | I/O — User I/O pin |
| Broche 49 | I/O — User I/O pin |
| Broche 50 | I/O — User I/O pin |
| Broche 51 | I/O — User I/O pin |
| Broche 52 | I/O — User I/O pin |
| Broche 53 | I/O — User I/O pin |
| Broche 54 | I/O — User I/O pin |
| Broche 55 | I/O — User I/O pin |
| Broche 56 | I/O — User I/O pin |
| Broche 57 | I/O — User I/O pin |
| Broche 58 | I/O — User I/O pin |
| Broche 59 | I/O — User I/O pin |
| Broche 60 | I/O — User I/O pin |
| Broche 61 | I/O — User I/O pin |
| Broche 62 | I/O — User I/O pin |
| Broche 63 | GND — Ground |
| Broche 64 | I/O — User I/O pin |
| Broche 65 | I/O — User I/O pin |
| Broche 66 | I/O — User I/O pin |
| Broche 67 | I/O — User I/O pin |
| Broche 68 | I/O — User I/O pin |
| Broche 69 | I/O — User I/O pin |
| Broche 70 | I/O — User I/O pin |
| Broche 71 | I/O — User I/O pin |
| Broche 72 | I/O — User I/O pin |
| Broche 73 | I/O — User I/O pin |
| Broche 74 | I/O — User I/O pin |
| Broche 75 | I/O — User I/O pin |
| Broche 76 | I/O — User I/O pin |
| Broche 77 | I/O — User I/O pin |
| Broche 78 | I/O — User I/O pin |
| Broche 79 | I/O — User I/O pin |
| Broche 80 | I/O — User I/O pin |
| Broche 81 | I/O — User I/O pin |
| Broche 82 | I/O — User I/O pin |
| Broche 83 | I/O — User I/O pin |
| Broche 84 | I/O — User I/O pin |
| Broche 85 | I/O — User I/O pin |
| Broche 86 | I/O — User I/O pin |
| Broche 87 | I/O — User I/O pin |
| Broche 88 | I/O — User I/O pin |
| Broche 89 | I/O — User I/O pin |
| Broche 90 | I/O — User I/O pin |
| Broche 91 | I/O — User I/O pin |
| Broche 92 | I/O — User I/O pin |
| Broche 93 | I/O — User I/O pin |
| Broche 94 | I/O — User I/O pin |
| Broche 95 | GND — Ground |
| Broche 96 | VCC — Core supply (5 V) |
| Broche 97 | VCCIO — I/O supply (3.3 V or 5.0 V) |
| Broche 98 | VCC — Core supply (5 V) |
| Broche 99 | VCCIO — I/O supply (3.3 V or 5.0 V) |
| Broche 100 | I/O — User I/O pin |
Applications typiques
EPF8452ATC100-4N convient pour 7 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour EPF8452ATC100-4N — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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) |
Principaux différenciateurs
- 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)
Notes de conception
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.
Informations de conformité
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.
