EPF8820ATC144-1 - FLEX 8000 FPGA, 672 Cells, 112 I/O, 144-TQFP | Altera
MPN: EPF8820ATC144-1 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.2 | $252.00 |
| 100 | $21.75 | $2,175.00 |
| 500 | $18.4 | $9,200.00 |
| 1,000 | $15.95 | $15,950.00 |
Drop-in alternatives for EPF8820ATC144-1 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
EPF8820ATC144-4
β Drop-Inβ In Stock
$11.1 / Unit
View Datasheet βEPF8820ATC144-3
β Drop-Inβ In Stock
$9.25 / Unit
View Datasheet βEPF8820ATC144-2
β Drop-Inβ In Stock
$19.85 / Unit
View Datasheet βEPF8820ATC144-4N
β Drop-Inβ In Stock
$15.2 / Unit
View Datasheet βEPF8820ATC144-3N
β Drop-Inβ In Stock
$10.4 / Unit
View Datasheet βEPF8820ATC144-2N
β Drop-Inβ In Stock
$18.95 / Unit
View Datasheet βEPF8820ATC144-1 Maximum Ratings & Electrical Characteristics
| Family | FLEX 8000 |
| Device | EPF8820A |
| Logic Cells | 672 |
| Logic Array Blocks (LABs) | 84 |
| User I/Os | 112 |
| Equivalent Gates | ~8,000 usable gates |
| Flip-Flops (max) | 1,500 |
| Supply Voltage | 5.0 V (MultiVolt I/O supports 3.3 V or 5.0 V) |
| Process Technology | CMOS SRAM |
| Speed Grade | -1 (slowest) |
| Operating Temperature | 0C to 70C (commercial) |
| Package | 144-pin TQFP |
| Configuration Method | SRAM, loaded via EPC1 / EPC1064 / EPC1213 / EPC1441 or parallel EPROM |
| In-Circuit Reconfigurability | Yes (ICR) |
| JTAG Boundary Scan | Yes (IEEE 1149.1) |
EPF8820ATC144-1 Pin Configuration
| Pin 1 | I/O β User I/O (bank A) |
| Pin 2 | I/O β User I/O (bank A) |
| Pin 3 | I/O β User I/O (bank A) |
| Pin 4 | I/O β User I/O (bank A) |
| Pin 5 | I/O β User I/O (bank A) |
| Pin 6 | I/O β User I/O (bank A) |
| Pin 7 | I/O β User I/O (bank A) |
| Pin 8 | I/O β User I/O (bank A) |
| Pin 9 | I/O β User I/O (bank A) |
| Pin 10 | I/O β User I/O (bank A) |
| Pin 11 | I/O β User I/O (bank A) |
| Pin 12 | I/O β User I/O (bank A) |
| Pin 13 | GND β Ground |
| Pin 14 | I/O β User I/O (bank A) |
| Pin 15 | I/O β User I/O (bank A) |
| Pin 16 | I/O β User I/O (bank A) |
| Pin 17 | I/O β User I/O (bank A) |
| Pin 18 | I/O β User I/O (bank A) |
| Pin 19 | I/O β User I/O (bank A) |
| Pin 20 | I/O β User I/O (bank A) |
| Pin 21 | I/O β User I/O (bank A) |
| Pin 22 | I/O β User I/O (bank A) |
| Pin 23 | I/O β User I/O (bank A) |
| Pin 24 | I/O β User I/O (bank A) |
| Pin 25 | I/O β User I/O (bank A) |
| Pin 26 | I/O β User I/O (bank A) |
| Pin 27 | I/O β User I/O (bank A) |
| Pin 28 | I/O β User I/O (bank A) |
| Pin 29 | I/O β User I/O (bank A) |
| Pin 30 | I/O β User I/O (bank A) |
| Pin 31 | I/O β User I/O (bank A) |
| Pin 32 | I/O β User I/O (bank A) |
| Pin 33 | VCCIO_A β I/O bank A supply (3.3V or 5.0V) |
| Pin 34 | I/O β User I/O (bank A) |
| Pin 35 | I/O β User I/O (bank A) |
| Pin 36 | I/O β User I/O (bank A) |
| Pin 37 | GND β Ground |
| Pin 38 | I/O β User I/O (bank A) |
| Pin 39 | I/O β User I/O (bank A) |
| Pin 40 | I/O β User I/O (bank A) |
| Pin 41 | I/O β User I/O (bank A) |
| Pin 42 | I/O β User I/O (bank A) |
| Pin 43 | I/O β User I/O (bank A) |
| Pin 44 | I/O β User I/O (bank A) |
| Pin 45 | I/O β User I/O (bank A) |
| Pin 46 | I/O β User I/O (bank A) |
| Pin 47 | I/O β User I/O (bank A) |
| Pin 48 | I/O β User I/O (bank A) |
| Pin 49 | I/O β User I/O (bank A) |
| Pin 50 | I/O β User I/O (bank A) |
| Pin 51 | I/O β User I/O (bank A) |
| Pin 52 | I/O β User I/O (bank A) |
| Pin 53 | I/O β User I/O (bank A) |
| Pin 54 | I/O β User I/O (bank A) |
| Pin 55 | I/O β User I/O (bank A) |
| Pin 56 | I/O β User I/O (bank A) |
| Pin 57 | I/O β User I/O (bank A) |
| Pin 58 | I/O β User I/O (bank A) |
| Pin 59 | I/O β User I/O (bank A) |
| Pin 60 | I/O β User I/O (bank A) |
| Pin 61 | I/O β User I/O (bank A) |
| Pin 62 | I/O β User I/O (bank A) |
| Pin 63 | I/O β User I/O (bank A) |
| Pin 64 | I/O β User I/O (bank A) |
| Pin 65 | I/O β User I/O (bank A) |
| Pin 66 | I/O β User I/O (bank A) |
| Pin 67 | I/O β User I/O (bank A) |
| Pin 68 | I/O β User I/O (bank A) |
| Pin 69 | I/O β User I/O (bank A) |
| Pin 70 | I/O β User I/O (bank A) |
| Pin 71 | I/O β User I/O (bank A) |
| Pin 72 | I/O β User I/O (bank A) |
| Pin 73 | VCCINT β Core supply (5.0V) |
| Pin 74 | I/O β User I/O (bank B) |
| Pin 75 | I/O β User I/O (bank B) |
| Pin 76 | I/O β User I/O (bank B) |
| Pin 77 | GND β Ground |
| Pin 78 | I/O β User I/O (bank B) |
| Pin 79 | I/O β User I/O (bank B) |
| Pin 80 | I/O β User I/O (bank B) |
| Pin 81 | I/O β User I/O (bank B) |
| Pin 82 | I/O β User I/O (bank B) |
| Pin 83 | I/O β User I/O (bank B) |
| Pin 84 | I/O β User I/O (bank B) |
| Pin 85 | I/O β User I/O (bank B) |
| Pin 86 | I/O β User I/O (bank B) |
| Pin 87 | I/O β User I/O (bank B) |
| Pin 88 | I/O β User I/O (bank B) |
| Pin 89 | I/O β User I/O (bank B) |
| Pin 90 | I/O β User I/O (bank B) |
| Pin 91 | I/O β User I/O (bank B) |
| Pin 92 | I/O β User I/O (bank B) |
| Pin 93 | I/O β User I/O (bank B) |
| Pin 94 | I/O β User I/O (bank B) |
| Pin 95 | I/O β User I/O (bank B) |
| Pin 96 | I/O β User I/O (bank B) |
| Pin 97 | I/O β User I/O (bank B) |
| Pin 98 | I/O β User I/O (bank B) |
| Pin 99 | I/O β User I/O (bank B) |
| Pin 100 | I/O β User I/O (bank B) |
| Pin 101 | I/O β User I/O (bank B) |
| Pin 102 | I/O β User I/O (bank B) |
| Pin 103 | I/O β User I/O (bank B) |
| Pin 104 | I/O β User I/O (bank B) |
| Pin 105 | I/O β User I/O (bank B) |
| Pin 106 | I/O β User I/O (bank B) |
| Pin 107 | VCCIO_B β I/O bank B supply (3.3V or 5.0V) |
| Pin 108 | I/O β User I/O (bank B) |
| Pin 109 | I/O β User I/O (bank B) |
| Pin 110 | I/O β User I/O (bank B) |
| Pin 111 | I/O β User I/O (bank B) |
| Pin 112 | GND β Ground |
| Pin 113 | I/O β User I/O (bank B) |
| Pin 114 | I/O β User I/O (bank B) |
| Pin 115 | I/O β User I/O (bank B) |
| Pin 116 | I/O β User I/O (bank B) |
| Pin 117 | I/O β User I/O (bank B) |
| Pin 118 | I/O β User I/O (bank B) |
| Pin 119 | I/O β User I/O (bank B) |
| Pin 120 | I/O β User I/O (bank B) |
| Pin 121 | I/O β User I/O (bank B) |
| Pin 122 | I/O β User I/O (bank B) |
| Pin 123 | I/O β User I/O (bank B) |
| Pin 124 | I/O β User I/O (bank B) |
| Pin 125 | I/O β User I/O (bank B) |
| Pin 126 | I/O β User I/O (bank B) |
| Pin 127 | I/O β User I/O (bank B) |
| Pin 128 | I/O β User I/O (bank B) |
| Pin 129 | I/O β User I/O (bank B) |
| Pin 130 | I/O β User I/O (bank B) |
| Pin 131 | I/O β User I/O (bank B) |
| Pin 132 | I/O β User I/O (bank B) |
| Pin 133 | I/O β User I/O (bank B) |
| Pin 134 | I/O β User I/O (bank B) |
| Pin 135 | I/O β User I/O (bank B) |
| Pin 136 | I/O β User I/O (bank B) |
| Pin 137 | I/O β User I/O (bank B) |
| Pin 138 | I/O β User I/O (bank B) |
| Pin 139 | I/O β User I/O (bank B) |
| Pin 140 | I/O β User I/O (bank B) |
| Pin 141 | I/O β User I/O (bank B) |
| Pin 142 | I/O β User I/O (bank B) |
| Pin 143 | I/O β User I/O (bank B) |
| Pin 144 | I/O β User I/O (bank B) |
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
EPF8820ATC144-1 is suitable for 7 applications: Glue Logic Replacement, Custom State-Machine Controllers, Bus-Interface Bridging, Peripheral Emulation, Embedded Computing Subsystems, Legacy Telecom Datapath, Test & Measurement Front-End.
Glue Logic Replacement
The EPF8820ATC144-1's 672 logic cells, 84 LABs, and 112 user I/Os are well-matched to consolidating scattered discrete TTL/CMOS glue logic on legacy boards. With up to 1,500 flip-flops available, the part can replace dozens of 74-series packages while preserving the 5V supply and parallel-EPROM configuration flow familiar to FLEX 8000 designs. Unlike an ASIC, the device is in-circuit reconfigurable (ICR), allowing post-layout bug fixes without board rework.
Recommended
Custom State-Machine Controllers
The FLEX 8000 register-rich architecture gives the EPF8820ATC144-1 the flip-flop density required for complex finite state machines used in industrial control, telecom, and instrumentation. Designers can encode wide state vectors, large microsequencers, and bit-serial protocols across the 1,500 available flip-flops. The 144-pin TQFP exposes enough I/O for parallel sensor buses and discrete control lines while keeping the board on a 5V rail.
Recommended
Bus-Interface Bridging
Bridging between legacy 5V buses (ISA, PC/104, VME, parallel peripheral) and downstream 3.3V devices is straightforward with the EPF8820ATC144-1 thanks to its MultiVolt I/O feature. Each I/O bank can be set independently for 3.3V or 5.0V operation, allowing level translation and protocol conversion in a single chip. The 112 user I/Os provide generous headroom for parallel address/data/control bridging without external buffers.
Recommended
Peripheral Emulation
The EPF8820ATC144-1 is widely used to emulate obsolete peripheral controllers, custom ASICs, and legacy video or DMA engines in long-lifecycle industrial systems. Its SRAM-based configuration allows the emulation bitstream to be updated as the host system evolves, while the JTAG (IEEE 1149.1) interface simplifies bench bring-up and field diagnostics. Designers can replace a discontinued IC with the same board footprint while preserving original software behavior.
Recommended
Embedded Computing Subsystems
In embedded designs, the EPF8820ATC144-1 serves as a coprocessor or peripheral controller alongside a microprocessor or microcontroller. Its 672 logic cells support small RISC cores, DMA engines, and custom interrupt controllers, while 112 I/Os expose the address/data buses needed for tight CPU coupling. The 5V supply and 144-pin TQFP keep it compatible with legacy MCU/DSP baseboards.
Recommended
Legacy Telecom Datapath
Datapath and framing functions in legacy telecom line cards and base-station controllers fit naturally into the EPF8820ATC144-1's register-rich architecture. Bit-serial protocols, framing/deframing, HDLC controllers, and small CRC engines map efficiently to the FLEX 8000 LAB structure, and the 112 I/Os handle parallel PCM/TDM buses. Designers can hold 5V system power while gaining a programmable replacement for obsolete ASICs.
Recommended
Test & Measurement Front-End
The EPF8820ATC144-1's MultiVolt I/O and 112 user I/Os suit it to custom test and measurement front-ends where mixed-voltage analog-to-digital converters and parallel display buses must be sequenced and timed. The 1,500-flip-flop headroom supports custom trigger logic, counters, and timing generators that would otherwise require multiple discrete PLDs. JTAG access speeds bench bring-up and in-field firmware updates.
Recommended
Recommended Products Summary
Engineering reference data for EPF8820ATC144-1 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF8820ATC144-4 | EPF8820ATC144-3 | EPF8820ATC144-2 | EPF8820ATC144-4N |
|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera |
| Package | 144-pin TQFP | 144-pin TQFP - same | 144-pin TQFP - same | 144-pin TQFP - same | 144-pin TQFP - same |
| Logic Cells | 672 | 672 | 672 | 672 | 672 |
| LABs | 84 | 84 | 84 | 84 | 84 |
| User I/Os | 112 | 112 | 112 | 112 | 112 |
| Speed Grade | -1 (slowest) | -4 (fastest) | -3 | -2 | -4N (fastest, lead-free) |
| Supply Voltage | 5V (MultiVolt I/O) | 5V (MultiVolt I/O) | 5V (MultiVolt I/O) | 5V (MultiVolt I/O) | 5V (MultiVolt I/O) |
| Operating Temperature | 0C to 70C (commercial) | 0C to 70C (commercial) | 0C to 70C (commercial) | 0C to 70C (commercial) | 0C to 70C (commercial) |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Lead-Free Finish ("N" suffix) | No (Pb-bearing) | No | No | No | Yes |
Key Differentiators
- Identical footprint, different speed grade (vs EPF8820ATC144-4)
- 5V MultiVolt I/O architecture (vs EPF8820ATC144-3N (also Altera FLEX 8000))
- Lead-free variant available in same footprint (vs EPF8820ATC144-4N)
Design Notes
The EPF8820ATC144-1 requires a stable 5.0V VCCINT (core) supply and per-bank VCCIO supplies that can be set independently for 3.3V or 5.0V operation. Place 0.1uF decoupling capacitors as close as possible to every VCCINT and VCCIO pin, and add bulk 10uF-47uF tantalum or ceramic capacitors near each supply pin. Power-up sequencing must satisfy the FLEX 8000 requirements: VCCINT and VCCIO must ramp monotonically to ensure proper configuration.
FLEX 8000 devices are SRAM-based and lose their configuration when power is removed. A non-volatile configuration source (EPC1, EPC1064, EPC1213, EPC1441, or parallel EPROM) is required for production boards. The nCONFIG, nSTATUS, and CONF_DONE pins must be pulled and monitored per the datasheet; failing to do so results in configuration failure at power-up. During JTAG programming, ensure the JTAG chain order matches the BSDL file before asserting nCONFIG.
Route configuration and JTAG signals (TCK, TMS, TDI, TDO, nCONFIG, nSTATUS, CONF_DONE, MSEL, DCLK, DATA[0..7]) away from fast-switching user I/O to avoid coupling into the configuration logic. Keep global clock pins short and guarded by ground on both sides. Because the 144-pin TQFP has 0.5 mm pitch, use 0.15 mm/0.20 mm trace-and-space rules and verify the PCB vendor supports fine-line manufacturing.
MultiVolt I/O allows each bank to operate at 3.3V or 5.0V but level translation is only between VCCIO and the FPGA core - never between banks with different VCCIO unless a level-shifting buffer is added. When mixing 3.3V and 5.0V peripherals, place 5V-tolerant buffers on 3.3V outputs that drive 5V inputs to prevent leakage. Use IBIS simulation to validate edge rates on parallel buses that exceed 50 MHz.
Compliance Information
The EPF8820ATC144-1 (without "N" suffix) is the original Pb-bearing finish; "N" suffix variants (e.g. EPF8820ATC144-4N) are lead-free and RoHS-compliant. Confirm the exact finish by the date code and supplier paperwork before use in RoHS-restricted builds.