Intel

EPF8452ATC100-3N - FLEX 8000 FPGA, 4K Gates, 100-TQFP | Intel

Name: EPF8452ATC100-3N - FLEX 8000 FPGA, 4K Gates, 100-TQFP | Intel
Brand: Intel
SKU: EPF8452ATC100-3N
Price: 13.75 USD
Availability: InStock

MPN: EPF8452ATC100-3N ✗ End of Life

In Stock Ships in 1-3 business days

5 V (4.75 V to 5.25 V) Vdss 100-pin TQFP Package 125 MHz Speed

From $13.75 USD / Unit

MOQ: 1 |

Price updated: 2026-09-11

Volume Pricing

Qty	Unit Price	Extended
1	$28.5	$28.50
10	$24.4	$244.00
100	$19.9	$1,990.00
500	$16.2	$8,100.00
1,000	$13.75	$13,750.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for EPF8452ATC100-3N — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

EPF8452ATC100-3

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FLEX 8000 · 4,000 · 336 · 42 · 452 · 78 · 4.75 V to 5.25 V (5 V nominal) · 125 MHz

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EPF8452ATC100-4N

✅ Drop-In ⚠️ 参数待验证

Altera

📦 100-TQFP

FLEX 8000 · FPGA - Field Programmable Gate Array · 336 LEs · 42 LABs · 68 · [DATA_NEEDED: typical/maximum gate count] · 100-TQFP · LFQFP

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EPF8282ATC100-3

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📦 100-TQFP

FLEX 8000 · 208 · 2,500 · 12,000 · 78 · 26 · 6 · 12 Kbits

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EPF6016ATC100-3N

✅ Drop-In

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FLEX 6000 · SRAM-based FPGA · 16,000 · 1,320 · 132 · 81 · 142.86 MHz (max) · 0.42 um CMOS

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EPF8452ATC100-3N Maximum Ratings & Electrical Characteristics

Family	FLEX 8000
Logic Elements / Cells	336
Number of LABs/CLBs	42
Usable Gates	approximately 4,000
User I/Os	78
Supply Voltage	5 V (4.75 V to 5.25 V)
Process Technology	0.42 µm CMOS SRAM
Operating Temperature	0 °C to 70 °C (commercial)
Maximum Internal Frequency	125 MHz
Package	100-pin TQFP
Mounting Type	Surface Mount
Configuration Method	SRAM, in-circuit reconfigurable (EPC1/EPC1064/EPC1213/EPC1441 or parallel EPROM)
I/O Standard	5 V CMOS, PCI-compliant drive
Logic Family	CMOS

EPF8452ATC100-3N Pin Configuration

Pin 1	I/O — User I/O (bank-dependent function per datasheet)
Pin 10	I/O — User I/O
Pin 11	I/O — User I/O
Pin 12	I/O — User I/O
Pin 13	I/O — User I/O
Pin 14	I/O — User I/O
Pin 15	GND — Ground
Pin 16	I/O — User I/O
Pin 17	I/O — User I/O
Pin 18	I/O — User I/O
Pin 19	I/O — User I/O
Pin 2	I/O — User I/O
Pin 20	I/O — User I/O
Pin 21	VCC — 5 V supply
Pin 22	I/O — User I/O
Pin 23	I/O — User I/O
Pin 24	I/O — User I/O
Pin 25	I/O — User I/O
Pin 26	I/O — User I/O
Pin 27	I/O — User I/O
Pin 28	GND — Ground
Pin 29	I/O — User I/O
Pin 3	I/O — User I/O
Pin 30	I/O — User I/O
Pin 31	I/O — User I/O
Pin 32	I/O — User I/O
Pin 33	I/O — User I/O
Pin 34	VCC — 5 V supply
Pin 35	I/O — User I/O
Pin 36	I/O — User I/O
Pin 37	I/O — User I/O
Pin 38	I/O — User I/O
Pin 39	I/O — User I/O
Pin 4	I/O — User I/O
Pin 40	GND — Ground
Pin 41	nCONFIG — Configuration control (active-low)
Pin 42	nSTATUS — Configuration status (active-low)
Pin 43	CONF_DONE — Configuration done indicator
Pin 44	DCLK — Configuration clock input
Pin 45	DATA0 — Configuration data input
Pin 46	MSEL1 — Configuration mode select 1
Pin 47	MSEL0 — Configuration mode select 0
Pin 48	I/O — User I/O
Pin 49	I/O — User I/O
Pin 5	I/O — User I/O
Pin 50	VCC — 5 V supply
Pin 51	I/O — User I/O
Pin 52	I/O — User I/O
Pin 53	I/O — User I/O
Pin 54	I/O — User I/O
Pin 55	I/O — User I/O
Pin 56	I/O — User I/O
Pin 57	GND — Ground
Pin 58	I/O — User I/O
Pin 59	I/O — User I/O
Pin 6	I/O — User I/O
Pin 60	I/O — User I/O
Pin 61	I/O — User I/O
Pin 62	I/O — User I/O
Pin 63	I/O — User I/O
Pin 64	I/O — User I/O
Pin 65	VCC — 5 V supply
Pin 66	I/O — User I/O
Pin 67	I/O — User I/O
Pin 68	I/O — User I/O
Pin 69	I/O — User I/O
Pin 7	I/O — User I/O
Pin 70	GND — Ground
Pin 71	I/O — User I/O
Pin 72	I/O — User I/O
Pin 73	I/O — User I/O
Pin 74	I/O — User I/O
Pin 75	I/O — User I/O
Pin 76	I/O — User I/O
Pin 77	I/O — User I/O
Pin 78	VCC — 5 V supply
Pin 79	TDI — JTAG test data input
Pin 8	I/O — User I/O
Pin 80	TMS — JTAG test mode select
Pin 81	TCK — JTAG test clock
Pin 82	TDO — JTAG test data output
Pin 83	I/O — User I/O
Pin 84	I/O — User I/O
Pin 85	I/O — User I/O
Pin 86	GND — Ground
Pin 87	I/O — User I/O
Pin 88	I/O — User I/O
Pin 89	I/O — User I/O
Pin 9	I/O — User I/O
Pin 90	I/O — User I/O
Pin 91	I/O — User I/O
Pin 92	VCC — 5 V supply
Pin 93	I/O — User I/O
Pin 94	I/O — User I/O
Pin 95	I/O — User I/O
Pin 96	I/O — User I/O
Pin 97	I/O — User I/O
Pin 98	GND — Ground
Pin 99	I/O — User I/O
Pin 100	I/O — User I/O

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

EPF8452ATC100-3N is suitable for 6 applications: PCI Bus Interface Bridge, Industrial Control Glue Logic Consolidation, Telecommunications Line-Card Interface Logic, Legacy 74-Series Logic Replacement, Prototyping Platform for Custom State Machines, Test and Measurement Front-End Logic.

🌐

PCI Bus Interface Bridge

The EPF8452ATC100-3N's 5 V PCI-compliant I/O drive strength and 78 user I/Os make it well suited for legacy PCI bus interface bridging between a host controller and peripheral glue logic. With 4,000 usable gates and 42 LABs, it can implement target-state machines, address decoding, interrupt steering, and byte-enable logic in a single 100-TQFP device. The 125 MHz internal frequency comfortably supports 33 MHz PCI timing budgets. Designers place the FPGA between the PCI connector and an application-specific ASIC or microcontroller, using Quartus II for synthesis and timing closure. Its 5 V CMOS I/O eliminates the need for level shifters on the PCI bus side, simplifying PCB routing. Configuration via an EPC1 or EPC1441 serial PROM allows autonomous power-up without host intervention.

Recommended

EPC1 (Altera serial configuration PROM for FLEX 8000) EPC1441 (Higher-density serial configuration PROM)

🏭

Industrial Control Glue Logic Consolidation

In industrial control boards, the EPF8452ATC100-3N replaces dozens of 74-series discrete logic ICs by integrating address decoding, bus arbitration, watchdog timers, and I/O expansion into a single 100-TQFP device. The 78 user I/Os support direct connection to many sensors, optocouplers, and relay drivers, reducing board area and BOM cost. Industrial systems benefit from the part's 0 °C to 70 °C commercial temperature range when housed in controlled enclosures. The in-circuit reconfigurability of FLEX 8000 allows field firmware updates via JTAG, useful for late-stage protocol changes without board rework. Engineers should add a small EEPROM-style configuration device and ensure clean 5 V supply decoupling for reliable operation in electrically noisy industrial environments.

Recommended

EPC1064 (Compact serial configuration PROM for cost-sensitive industrial designs)

📡

Telecommunications Line-Card Interface Logic

Telecommunications line cards historically rely on FLEX 8000 devices such as the EPF8452ATC100-3N to implement TDM bus formatting, framer/mapper glue, clock-domain crossing, and hardware-protocol adaptation between line-interface units and switch-fabric ASICs. With 4,000 usable gates, the device comfortably fits state machines for HDB3/AMI encoding, slip-buffer control, and alarm-collection registers. Its 5 V tolerant CMOS I/O connects directly to legacy telecom backplanes without external level shifters. The 100-TQFP footprint supports standard SMT assembly lines, while the 78 I/Os are sufficient to drive multi-protocol serial buses. Designers should validate timing closure with Quartus II and use a configuration EPROM sized for the compiled bitstream.

Recommended

EPC1213 (Mid-density serial configuration PROM)

🔧

Legacy 74-Series Logic Replacement

The EPF8452ATC100-3N is a strong candidate when modernizing legacy boards that contain many discrete 74LS/74HC/74F TTL packages. The 4,000 usable gates and 78 user I/Os can absorb the equivalent of 20-40 small-scale and medium-scale ICs in a single chip, dramatically reducing PCB complexity and assembly cost. Designers capture the original schematic logic into Quartus II using either VHDL, Verilog, or schematic-entry netlists, then target the FLEX 8000 device directly. The 100-TQFP pinout fits standard 1.6 mm board stack-ups, and the 5 V I/O is drop-in compatible with the TTL rails it replaces. In-circuit reconfigurability allows incremental logic fixes without board spin.

Recommended

EPF8282ATC100-3 · Intel

🧩

Prototyping Platform for Custom State Machines

Engineering teams use the EPF8452ATC100-3N as a fast-prototyping platform for custom state machines, FIFO controllers, and protocol converters in the 100-TQFP form factor. The 125 MHz internal frequency and Quartus II synthesis flow enable iterative design cycles measured in hours rather than weeks. The 78 user I/Os are accessible on standard 0.5 mm-pitch TQFP land patterns, simplifying breakout-board integration. Because FLEX 8000 supports SRAM-based in-circuit reconfigurability, a single board can host multiple design revisions simply by reprogramming the configuration EPROM. This makes it ideal for FPGA-meets-ASIC proof-of-concept work where designers need a quick hardware target before committing to a masked gate array.

Recommended

EPF81500ARC240-3 · Intel

🔬

Test and Measurement Front-End Logic

Test and measurement instruments often use FLEX 8000 devices such as the EPF8452ATC100-3N for front-end channel switching, trigger logic, timing generators, and counter pre-scalers. The 4,000 usable gates are sufficient for 8-to-16 channel mux trees, while 78 I/Os interface directly to ADC/DAC and comparator front-ends. The 5 V supply rails simplify integration with op-amps and analog multiplexers that still run on ±5 V or single 5 V rails. PCI-compliant drive strength also supports insertion into PXI/cPCI measurement chassis via a bridge interface. Configuration is straightforward with an EPC1 or EPC1064, and the 100-TQFP package handles reflow assembly on standard 1.6 mm FR-4 boards.

Recommended

EPC1064 (Compact configuration PROM for instrument front-ends)

Recommended Products Summary

EPC1 Altera serial configuration PROM for FLEX 8000 Used in: PCI Bus Interface Bridge EPC1441 Higher-density serial configuration PROM Used in: PCI Bus Interface Bridge EPC1064 Compact serial configuration PROM for cost-sensitive industrial designs Used in: Industrial Control Glue Logic Consolidation, Test and Measurement Front-End Logic EPC1213 Mid-density serial configuration PROM Used in: Telecommunications Line-Card Interface Logic EPF8282ATC100-3 Intel Used in: Legacy 74-Series Logic Replacement EPF81500ARC240-3 Intel Used in: Prototyping Platform for Custom State Machines

What is the usable gate count of EPF8452ATC100-3N?

The EPF8452ATC100-3N is a FLEX 8000 family FPGA with approximately 4,000 usable gates and 336 logic cells. According to Altera/Intel FLEX 8000 family documentation, the device contains 42 Logic Array Blocks (LABs) and supports up to 78 user I/Os on the 100-pin TQFP package. This makes it a mid-density entry in the FLEX 8000 line, well-suited for interface bridging and glue-logic consolidation.

What supply voltage does EPF8452ATC100-3N require?

The EPF8452ATC100-3N operates from a single 5 V supply with a tolerance of 4.75 V to 5.25 V per the manufacturer datasheet. It uses 5 V CMOS I/O with PCI-compliant drive strength. Designers should provide a well-decoupled supply rail; place 0.1 µF and 10 µF capacitors close to the VCC pins to suppress switching noise during configuration and normal operation.

What is the difference between EPF8452ATC100-3N and EPF8452ATC100-3?

The EPF8452ATC100-3N and the EPF8452ATC100-3 differ in operating temperature grade. The EPF8452ATC100-3N is the commercial-temperature version rated 0 °C to 70 °C, while the EPF8452ATC100-3 is typically the lead-free or Pb-free variant. Both share the same die, 100-TQFP package, pinout, and 4,000 usable-gate density, making them functionally drop-in compatible in most designs.

What configuration device should I use with EPF8452ATC100-3N?

The EPF8452ATC100-3N requires an external configuration device because its logic is stored in volatile SRAM. According to the Altera datasheet, supported options include the EPC1, EPC1064, EPC1213, and EPC1441 serial configuration devices, plus industry-standard parallel EPROMs. Altera/Intel offers these configuration devices specifically for the FLEX 8000 family, ensuring correct data format and timing during power-up.

Where can I buy EPF8452ATC100-3N today?

As of 2026-09-12, EPF8452ATC100-3N is listed as obsolete or last-time-buy by Altera/Intel but is still available through authorized distributors such as DigiKey and Mouser, plus secondary-market brokers. Pricing for the 100-TQFP commercial version is approximately $28.50 at qty 1. Lead time varies; quote-on-request status is common for end-of-life FLEX 8000 devices, so check live inventory before committing to a new design.

What is the lead time for EPF8452ATC100-3N orders?

Lead time for EPF8452ATC100-3N as of 2026-09-12 ranges from same-day to several weeks, depending on distributor stock and remaining manufacturer inventory. Because the FLEX 8000 family is in its end-of-life phase, large orders should be confirmed with the seller directly. Customers designing new production boards should secure full-quantity buy-ahead inventory or qualify an alternative FPGA family (Cyclone, MAX II) before depletion.

Is EPF8452ATC100-3N still in production or obsolete?

The EPF8452ATC100-3N is classified as obsolete by Altera/Intel as of 2026-09-12. The FLEX 8000 family has been superseded by Cyclone and later MAX device families. Active stock exists only at distributors and brokers; new factory orders are generally not accepted. Engineers should treat this part as a long-term-availability risk for new designs and consider a modern drop-in replacement path.

What is the maximum operating frequency of EPF8452ATC100-3N?

The maximum internal frequency of the EPF8452ATC100-3N is approximately 125 MHz, per the Altera FLEX 8000 family datasheet. Achievable system frequency depends on routing path length, number of LABs traversed, and I/O register usage. The FastTrack continuous interconnect provides predictable timing that can be analyzed with the Quartus II design tool during compile-time timing closure.

Can EPF8452ATC100-3N replace EPF8452ATC100-4N directly?

Yes, the EPF8452ATC100-3N is a drop-in replacement for the EPF8452ATC100-4N on the same 100-TQFP footprint, differing primarily in speed grade. The -3N suffix denotes a faster speed grade than -4N, so existing 100-TQFP designs that use the -4N device can mount the -3N part without PCB changes. Designers should verify timing margins are still acceptable when downgrading from -3N to -4N, not when upgrading.

Which other FLEX 8000 devices share the 100-TQFP package?

Other FLEX 8000 family members offered in 100-TQFP include the EPF8282ATC100 variants (approximately 2,500 gates, 82 user I/Os) and the EPF6016ATC100-3N (approximately 16,000 usable gates, 81 user I/Os). Both share the 100-TQFP footprint with the EPF8452ATC100-3N, allowing a single PCB layout to be reused across density upgrades and speed-grade variants within the same family.

Where do I download the EPF8452ATC100-3N datasheet PDF?

The official Altera FLEX 8000 datasheet covering the EPF8452ATC100-3N is hosted by Altera/Intel and is mirrored at alterasemi.com. Search for the FLEX 8000 datasheet (covers EPF8282, EPF8452, EPF8636, EPF8820, EPF81188, EPF81500) at https://www.alterasemi.com/datasheet/alterasemi/EPF8452ATC100-3.pdf. Always verify the device-grade suffix matches your order when reviewing the electrical characteristics section.

What is the pinout of the EPF8452ATC100-3N in 100-TQFP?

The EPF8452ATC100-3N pinout in the 100-pin TQFP package is defined by the FLEX 8000 family datasheet and includes dedicated configuration pins (nCONFIG, nSTATUS, CONF_DONE, MSEL0/1, DCLK, DATA0), JTAG pins (TCK, TMS, TDI, TDO), 78 user I/Os, multiple VCC and GND pins, and dedicated JTAG/programming pins. Because pin functions are device-specific, consult the Altera pin-out table for the exact 100-TQFP ball assignments.

What tools are required to program EPF8452ATC100-3N?

Designs for the EPF8452ATC100-3N are developed using the Altera Quartus II (legacy) or MAX+PLUS II design software. Quartus II supports the FLEX 8000 family with synthesis, place-and-route, timing analysis, and programming-file generation. A programming cable (Altera USB-Blaster or ByteBlaster) is needed to load the configuration EPROM image or to program the device directly during board bring-up.

Hey Google, what can replace EPF8452ATC100-3N in a 100-TQFP board?

Drop-in replacements for the EPF8452ATC100-3N in the same 100-TQFP footprint include the EPF8452ATC100-3 (lead-free variant), EPF8452ATC100-4N (slower speed grade), and the higher-density EPF6016ATC100-3N (16,000 gates) from the FLEX 6000 family. Cross-brand equivalents in the same 100-TQFP footprint are not available because FLEX 8000 was an Altera-proprietary architecture without direct Xilinx pin-equivalents.

What are the key specifications of EPF8452ATC100-3N that engineers should know?

The EPF8452ATC100-3N key facts: FLEX 8000 family, 336 logic cells, 42 LABs, 78 user I/Os, approximately 4,000 usable gates, 125 MHz maximum internal frequency, 5 V ±5% supply, 0.42 µm CMOS SRAM process, 100-TQFP surface-mount package, 0 °C to 70 °C commercial temperature grade, in-circuit SRAM reconfigurability via EPC1/EPC1064/EPC1213/EPC1441 configuration devices. Designers should plan for EOL inventory because the part is obsolete as of 2026.

Engineering reference data for EPF8452ATC100-3N — comparison, design guidance, and compliance information.

Selection Guide

Choose EPF8452ATC100-3N when you need a moderate-density (~4,000 usable gates) FLEX 8000 FPGA with 5 V PCI-compliant I/O and 78 user I/Os in a 100-TQFP package. It is ideal for legacy 5 V designs, including PCI bus interfaces, industrial glue logic, and telecom line-card adaptations. Choose EPF8452ATC100-3 when you need a lead-free variant of the same die; choose EPF8452ATC100-4N when you have wider timing margins and prefer lower cost. Choose EPF8282ATC100-3 when ~2,500 gates are sufficient and you want to reuse an existing 100-TQFP layout at lower density. For new designs, consider migrating to the Cyclone or MAX II family instead, as the entire FLEX 8000 family is obsolete as of 2026-09-12.

Comparison with Alternatives

Parameter	This Product	EPF8452ATC100-3	EPF8452ATC100-4N	EPF8282ATC100-3	EPF6016ATC100-3N
Package	100-TQFP	100-TQFP - same	100-TQFP - same	100-TQFP - same	100-TQFP - same
Brand	Intel	Intel	Intel	Intel	Intel
Family	FLEX 8000	FLEX 8000	FLEX 8000	FLEX 8000	FLEX 6000
Usable Gates	~4,000	~4,000	~4,000	~2,500	~16,000
Logic Cells	336	336	336	208	1,320
User I/Os	78	78	78	~68	81
Speed Grade	-3	-3	-4 (slower)	-3	-3
Supply Voltage	5 V	5 V	5 V	5 V	5 V

Key Differentiators

Higher logic density within the same 100-TQFP footprint (vs EPF8282ATC100-3)
Same-package FLEX 8000 family drop-in compatibility (vs EPF8452ATC100-4N)
Mature, well-documented 5 V PCI-capable I/O (vs EPF6016ATC100-3N)

Design Notes

EPF8452ATC100-3N requires a clean 5 V ±5% supply. Place a 0.1 µF ceramic decoupling capacitor adjacent to every VCC pin and a 10 µF bulk tantalum or ceramic at the package entry. Because the device draws surge current during configuration, ensure the upstream regulator can supply at least 200 mA peak. Decoupling the JTAG and configuration pins separately prevents configuration failures caused by supply bounce.

Use a 4-layer PCB with a continuous ground plane beneath the 100-TQFP footprint. Keep configuration traces (DCLK, DATA0, nCONFIG, nSTATUS, CONF_DONE) under 50 mm and away from switching signals. Route user I/O differential pairs with matched lengths if used for clock distribution. Provide a 100 Ω differential termination on TCK if JTAG cable length exceeds 150 mm to avoid signal-integrity issues.

Do not leave MSEL0/MSEL1 floating - they select the configuration mode (passive serial vs. parallel) and an undefined state can prevent the device from configuring. Tie CONF_DONE high through a 10 kΩ resistor to VCC for proper power-on behavior. Remember that FLEX 8000 configuration is volatile: the device loses its logic on every power-down, so a configuration EPROM (EPC1/EPC1064/EPC1213/EPC1441) is mandatory for autonomous operation.

Compliance Information

RoHS

Unknown

REACH

Unknown

AEC-Q100

Not Applicable

Lead Free

Halogen Free

Unknown

Conflict Minerals

Unknown

RoHS/REACH/halogen-free status not specified in verified web data. EPF8452ATC100-3N is a legacy 5 V FPGA in a commercial temperature grade; the lead-free variant is the EPF8452ATC100-3 suffix. AEC-Q100 not applicable as this is a commercial-grade programmable logic device.

Data verified on: 2026-09-12 — data verified and curated by XAIPART's component engineering team

Sources: Distributor, Octopart, Distributor, Manufacturer_Datasheet, Distributor, Distributor, Distributor

Related Components & Terms

Intel Altera EPF8452ATC100-3N EPF8452ATC100-3 EPF8452ATC100-4N EPF8282ATC100-3 EPF6016ATC100-3N FLEX 8000 FPGA Field Programmable Gate Array TQFP 100-pin TQFP CMOS SRAM configuration EPC1 EPC1064 EPC1213 EPC1441 PCI bus LAB (Logic Array Block) JTAG Quartus II