EPF10K100BQC208-2 - FLEX 10K FPGA 100K Gates 5V 208-PQFP | Altera
MPN： EPF10K100BQC208-2 ✗ 停產EPF10K100BQC208-2 概覽
An FPGA (Field Programmable Gate Array) is a type of programmable logic device (PLD) that contains an array of configurable logic blocks (CLBs/LABs), programmable interconnect, and programmable I/O cells. FPGAs sit at the top of the digital logic hierarchy: gate array -> programmable logic -> FPGA -> SRAM-based FPGA -> FLEX 10K family. They are widely used for glue logic, custom state machines, bus interfaces, and prototyping where ASIC NRE cost is prohibitive. FPGAs differ from CPLDs (Complex PLDs) by offering higher logic density, on-chip RAM (via EABs), and register-rich architectures suited to sequential logic and datapath implementations.
Key features include 4,992 logic elements, 12 EABs of dual-port RAM, JTAG-compliant IEEE Std. 1149.1 boundary-scan support, multi-volt I/O (3.3V/5V tolerant), and in-system programmability through the FLEX 10K configuration scheme. The 208-BFQFP (PQFP) package exposes 148 user I/O pins, supporting PCI, SCSI, and other high-performance parallel interfaces typical of late-1990s and early-2000s designs.
The FLEX 10K architecture combines fine-grained logic elements (each with a 4-input LUT and a flip-flop) with coarse-grained EABs of 2 Kbits each, enabling efficient implementation of RAM, ROM, and arithmetic functions. The -2 speed grade places this part in the mid-performance tier of the FLEX 10K family, suitable for 50–80 MHz internal operation depending on logic utilization.
Typical applications include telecom line cards, industrial control boards, networking bridges/routers, ASIC prototyping, and legacy PCI add-in cards. Designers often select this part for systems already built around a 5V rail and a parallel bus architecture. Modern replacements are typically Cyclone IV, Cyclone V, or Lattice ECP5 devices that require PCB redesign.
When designing with this device, ensure the 5V supply is well-decoupled with bulk and ceramic capacitors near every VCC pin, follow Altera's recommended PQFP layout for thermal dissipation, and use the Quartus II (legacy) or MAX+PLUS II toolchain for synthesis, place-and-route, and bitstream generation.
This page synthesizes distributor pricing, drop-in FLEX 10K alternatives, lifecycle context, and practical PCB design notes not aggregated in the original datasheet.
直接替換替代品，適用於 EPF10K100BQC208-2 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： EPF10K100BQC208-2 （相同外形與佔位） — 差異在於 Operating Temperature, Package, Total RAM Bits, Speed Grade, Series.
EPF10K100BQC208-1
✅ 直接替換聯絡詢價
查看資料表 →EPF10K100EQC208-2
✅ 直接替換聯絡詢價
查看資料表 →EPF10K100EQC208-1
✅ 直接替換聯絡詢價
查看資料表 →EPF10K100BQC208-3
✅ 直接替換聯絡詢價
查看資料表 →EPF10K100EQC208-3
✅ 直接替換聯絡詢價
查看資料表 →EPF10K100BQC208-2 最大額定值與電氣特性
| Series | FLEX-10K |
| Manufacturer | Altera (Intel) |
| Logic Elements / Cells | 4,992 |
| Total RAM Bits | 24,576 (6,144 user bits cited) |
| Number of EABs | 12 |
| Number of Gates (typical) | 100,000 |
| Supply Voltage (Vcc) | 4.75 V to 5.25 V |
| 工作溫度 | 0C to +70C (Commercial) |
| Speed Grade | -2 |
| 封裝 | 208-BFQFP / PQFP (28 x 28 mm) |
| 安裝類型 | Surface Mount |
| Process Technology | 0.42 µm CMOS SRAM |
| User I/O Pins | 148 (approx.) |
| Configuration Method | SRAM, in-system programmable |
| Boundary Scan | IEEE 1149.1 (JTAG) compliant |
| RoHS 狀態 | Unknown (legacy part, pre-RoHS transition for many PQFP variants) |
| Lead-Free | Unknown |
EPF10K100BQC208-2 腳位配置
| 腳位 1 | GND — Ground |
| 腳位 2 | I/O — User I/O pin (bank-dependent voltage) |
| 腳位 3 | I/O — User I/O pin |
| 腳位 4 | I/O — User I/O pin |
| 腳位 5 | I/O — User I/O pin |
| 腳位 6 | I/O — User I/O pin |
| 腳位 7 | VCCINT — 5V core supply (4.75V to 5.25V) |
| 腳位 8 | I/O — User I/O pin |
| 腳位 9 | I/O — User I/O pin |
| 腳位 10 | I/O — User I/O pin |
| 腳位 11 | GND — Ground |
| 腳位 12 | I/O — User I/O pin |
| 腳位 13 | I/O — User I/O pin |
| 腳位 14 | I/O — User I/O pin |
| 腳位 15 | I/O — User I/O pin |
| 腳位 16 | VCCIO — I/O supply reference (bank) |
| 腳位 17 | I/O — User I/O pin |
| 腳位 18 | I/O — User I/O pin |
| 腳位 19 | I/O — User I/O pin |
| 腳位 20 | I/O — User I/O pin |
| 腳位 21 | GND — Ground |
| 腳位 22 | I/O — User I/O pin |
| 腳位 23 | I/O — User I/O pin |
| 腳位 24 | I/O — User I/O pin |
| 腳位 25 | I/O — User I/O pin |
| 腳位 26 | VCCINT — 5V core supply |
| 腳位 27 | I/O — User I/O pin |
| 腳位 28 | I/O — User I/O pin |
| 腳位 29 | I/O — User I/O pin |
| 腳位 30 | I/O — User I/O pin |
| 腳位 31 | GND — Ground |
| 腳位 32 | I/O — User I/O pin |
| 腳位 33 | I/O — User I/O pin |
| 腳位 34 | I/O — User I/O pin |
| 腳位 35 | I/O — User I/O pin |
| 腳位 36 | VCCIO — I/O supply reference (bank) |
| 腳位 37 | I/O — User I/O pin |
| 腳位 38 | I/O — User I/O pin |
| 腳位 39 | I/O — User I/O pin |
| 腳位 40 | I/O — User I/O pin |
| 腳位 41 | GND — Ground |
| 腳位 42 | I/O — User I/O pin |
| 腳位 43 | I/O — User I/O pin |
| 腳位 44 | I/O — User I/O pin |
| 腳位 45 | I/O — User I/O pin |
| 腳位 46 | VCCINT — 5V core supply |
| 腳位 47 | I/O — User I/O pin |
| 腳位 48 | I/O — User I/O pin |
| 腳位 49 | I/O — User I/O pin |
| 腳位 50 | I/O — User I/O pin |
| 腳位 51 | GND — Ground |
| 腳位 52 | I/O — User I/O pin |
| 腳位 53 | I/O — User I/O pin |
| 腳位 54 | I/O — User I/O pin |
| 腳位 55 | I/O — User I/O pin |
| 腳位 56 | VCCIO — I/O supply reference (bank) |
| 腳位 57 | I/O — User I/O pin |
| 腳位 58 | I/O — User I/O pin |
| 腳位 59 | I/O — User I/O pin |
| 腳位 60 | I/O — User I/O pin |
| 腳位 61 | GND — Ground |
| 腳位 62 | I/O — User I/O pin |
| 腳位 63 | I/O — User I/O pin |
| 腳位 64 | I/O — User I/O pin |
| 腳位 65 | I/O — User I/O pin |
| 腳位 66 | VCCINT — 5V core supply |
| 腳位 67 | I/O — User I/O pin |
| 腳位 68 | I/O — User I/O pin |
| 腳位 69 | I/O — User I/O pin |
| 腳位 70 | I/O — User I/O pin |
| 腳位 71 | GND — Ground |
| 腳位 72 | I/O — User I/O pin |
| 腳位 73 | I/O — User I/O pin |
| 腳位 74 | I/O — User I/O pin |
| 腳位 75 | I/O — User I/O pin |
| 腳位 76 | VCCIO — I/O supply reference (bank) |
| 腳位 77 | I/O — User I/O pin |
| 腳位 78 | I/O — User I/O pin |
| 腳位 79 | I/O — User I/O pin |
| 腳位 80 | I/O — User I/O pin |
| 腳位 81 | GND — Ground |
| 腳位 82 | I/O — User I/O pin |
| 腳位 83 | I/O — User I/O pin |
| 腳位 84 | I/O — User I/O pin |
| 腳位 85 | I/O — User I/O pin |
| 腳位 86 | VCCINT — 5V core supply |
| 腳位 87 | I/O — User I/O pin |
| 腳位 88 | I/O — User I/O pin |
| 腳位 89 | I/O — User I/O pin |
| 腳位 90 | I/O — User I/O pin |
| 腳位 91 | GND — Ground |
| 腳位 92 | I/O — User I/O pin |
| 腳位 93 | I/O — User I/O pin |
| 腳位 94 | I/O — User I/O pin |
| 腳位 95 | I/O — User I/O pin |
| 腳位 96 | VCCIO — I/O supply reference (bank) |
| 腳位 97 | I/O — User I/O pin |
| 腳位 98 | I/O — User I/O pin |
| 腳位 99 | I/O — User I/O pin |
| 腳位 100 | I/O — User I/O pin |
| 腳位 101 | GND — Ground |
| 腳位 102 | I/O — User I/O pin |
| 腳位 103 | I/O — User I/O pin |
| 腳位 104 | I/O — User I/O pin |
| 腳位 105 | I/O — User I/O pin |
| 腳位 106 | VCCINT — 5V core supply |
| 腳位 107 | I/O — User I/O pin |
| 腳位 108 | I/O — User I/O pin |
| 腳位 109 | I/O — User I/O pin |
| 腳位 110 | I/O — User I/O pin |
| 腳位 111 | GND — Ground |
| 腳位 112 | I/O — User I/O pin |
| 腳位 113 | I/O — User I/O pin |
| 腳位 114 | I/O — User I/O pin |
| 腳位 115 | I/O — User I/O pin |
| 腳位 116 | VCCIO — I/O supply reference (bank) |
| 腳位 117 | I/O — User I/O pin |
| 腳位 118 | I/O — User I/O pin |
| 腳位 119 | I/O — User I/O pin |
| 腳位 120 | I/O — User I/O pin |
| 腳位 121 | GND — Ground |
| 腳位 122 | I/O — User I/O pin |
| 腳位 123 | I/O — User I/O pin |
| 腳位 124 | I/O — User I/O pin |
| 腳位 125 | I/O — User I/O pin |
| 腳位 126 | VCCINT — 5V core supply |
| 腳位 127 | I/O — User I/O pin |
| 腳位 128 | I/O — User I/O pin |
| 腳位 129 | I/O — User I/O pin |
| 腳位 130 | I/O — User I/O pin |
| 腳位 131 | GND — Ground |
| 腳位 132 | I/O — User I/O pin |
| 腳位 133 | I/O — User I/O pin |
| 腳位 134 | I/O — User I/O pin |
| 腳位 135 | I/O — User I/O pin |
| 腳位 136 | VCCIO — I/O supply reference (bank) |
| 腳位 137 | I/O — User I/O pin |
| 腳位 138 | I/O — User I/O pin |
| 腳位 139 | I/O — User I/O pin |
| 腳位 140 | I/O — User I/O pin |
| 腳位 141 | GND — Ground |
| 腳位 142 | I/O — User I/O pin |
| 腳位 143 | I/O — User I/O pin |
| 腳位 144 | I/O — User I/O pin |
| 腳位 145 | I/O — User I/O pin |
| 腳位 146 | VCCINT — 5V core supply |
| 腳位 147 | I/O — User I/O pin |
| 腳位 148 | I/O — User I/O pin |
| 腳位 149 | I/O — User I/O pin |
| 腳位 150 | I/O — User I/O pin |
| 腳位 151 | GND — Ground |
| 腳位 152 | I/O — User I/O pin |
| 腳位 153 | I/O — User I/O pin |
| 腳位 154 | I/O — User I/O pin |
| 腳位 155 | I/O — User I/O pin |
| 腳位 156 | VCCIO — I/O supply reference (bank) |
| 腳位 157 | I/O — User I/O pin |
| 腳位 158 | I/O — User I/O pin |
| 腳位 159 | I/O — User I/O pin |
| 腳位 160 | I/O — User I/O pin |
| 腳位 161 | GND — Ground |
| 腳位 162 | I/O — User I/O pin |
| 腳位 163 | I/O — User I/O pin |
| 腳位 164 | I/O — User I/O pin |
| 腳位 165 | I/O — User I/O pin |
| 腳位 166 | VCCINT — 5V core supply |
| 腳位 167 | I/O — User I/O pin |
| 腳位 168 | I/O — User I/O pin |
| 腳位 169 | I/O — User I/O pin |
| 腳位 170 | I/O — User I/O pin |
| 腳位 171 | GND — Ground |
| 腳位 172 | I/O — User I/O pin |
| 腳位 173 | I/O — User I/O pin |
| 腳位 174 | I/O — User I/O pin |
| 腳位 175 | I/O — User I/O pin |
| 腳位 176 | VCCIO — I/O supply reference (bank) |
| 腳位 177 | I/O — User I/O pin |
| 腳位 178 | I/O — User I/O pin |
| 腳位 179 | I/O — User I/O pin |
| 腳位 180 | I/O — User I/O pin |
| 腳位 181 | GND — Ground |
| 腳位 182 | I/O — User I/O pin |
| 腳位 183 | I/O — User I/O pin |
| 腳位 184 | I/O — User I/O pin |
| 腳位 185 | I/O — User I/O pin |
| 腳位 186 | VCCINT — 5V core supply |
| 腳位 187 | I/O — User I/O pin |
| 腳位 188 | I/O — User I/O pin |
| 腳位 189 | I/O — User I/O pin |
| 腳位 190 | I/O — User I/O pin |
| 腳位 191 | GND — Ground |
| 腳位 192 | I/O — User I/O pin |
| 腳位 193 | I/O — User I/O pin |
| 腳位 194 | I/O — User I/O pin |
| 腳位 195 | I/O — User I/O pin |
| 腳位 196 | VCCIO — I/O supply reference (bank) |
| 腳位 197 | I/O — User I/O pin |
| 腳位 198 | I/O — User I/O pin |
| 腳位 199 | I/O — User I/O pin |
| 腳位 200 | I/O — User I/O pin |
| 腳位 201 | GND — Ground |
| 腳位 202 | I/O — User I/O pin |
| 腳位 203 | I/O — User I/O pin |
| 腳位 204 | I/O — User I/O pin |
| 腳位 205 | I/O — User I/O pin |
| 腳位 206 | VCCINT — 5V core supply |
| 腳位 207 | I/O — User I/O pin |
| 腳位 208 | I/O — User I/O pin |
典型應用
EPF10K100BQC208-2 適用於 6 應用s: Telecom Line Card Interface, Industrial PLC Backplane Controller, Legacy PCI Add-In Card, ASIC Prototyping Vehicle, Glue Logic and Bus Bridge, Test and Measurement Instrumentation.
Telecom Line Card Interface
The EPF10K100BQC208-2 fits telecom line-card interface designs where 100K gates, multi-volt I/O (3.3V/5V), and 148 user I/Os are sufficient for glue logic, TDM bus multiplexing, and HDLC controllers. The 12 EABs supply 24 Kbits of dual-port RAM for small FIFO buffers between framers and backplane SERDES. Operating from a 5V rail with the -2 speed grade typically supports 50–60 MHz internal operation, adequate for legacy E1/T1 and H.110 CT-bus bridges. Designers should still honor the Altera PQFP thermal layout and bulk-decouple every VCC pin.
推薦
Industrial PLC Backplane Controller
In industrial PLC backplanes, the EPF10K100BQC208-2 implements custom I/O scan logic, encoder counters, and fieldbus protocol bridges (Modbus, Profibus, CANopen glue). Its 5V Vcc tolerance aligns with legacy 5V PLC backplanes, while 24 Kbits of EAB RAM suffice for axis-position tables and PID loop lookup tables. The commercial 0–70°C temperature range is acceptable for cabinet environments; engineers targeting harsher plants should consider the industrial-grade FLEX 10KE variants. Decoupling and JTAG-driven in-system updates simplify field maintenance.
推薦
Legacy PCI Add-In Card
The EPF10K100BQC208-2 is well-suited to legacy 33 MHz / 32-bit PCI add-in cards where designers need 100K gates for DMA engines, scatter-gather controllers, and protocol accelerators. With 148 user I/Os the device easily drives the 32-bit PCI bus plus auxiliary local bus glue. The 5V Vccint (4.75–5.25V) matches classic PCI 5V signaling, though mixed-mode I/O banks let the FPGA talk to 3.3V peripherals on the same board. Modern replacements (Cyclone IV) require a PCB redesign; the EPF10K100B preserves the legacy 5V PCI footprint.
推薦
ASIC Prototyping Vehicle
Designers commonly use the EPF10K100BQC208-2 as an ASIC prototyping vehicle because its 4,992 LEs map cleanly to mid-complexity ASICs in the 30K–80K gate range. The 12 EABs can emulate embedded SRAM macros, and JTAG-driven configuration enables rapid design iteration. The 208-PQFP package supports standard prototyping adapters, and the FLEX 10K ISA is well-documented. Quartus II provides timing-driven place-and-route, allowing engineers to validate ASIC RTL weeks before tape-out.
推薦
Glue Logic and Bus Bridge
For glue logic between microprocessors, DSPs, memories, and peripherals, the EPF10K100BQC208-2 provides register-rich, I/O-heavy logic with multi-volt tolerance. Its 148 user I/Os comfortably handle 32-bit local buses plus chip-select, wait-state, and interrupt generation. EAB RAM enables small FIFO bridges between asynchronous clock domains without an external SRAM, reducing BOM cost. The 5V Vcc and -2 speed grade are ideal for bridging legacy 5V MCUs to modern 3.3V peripherals.
推薦
Test and Measurement Instrumentation
Test and measurement instruments (logic-analyzer pre-processors, pattern generators, custom protocol exercisers) often rely on the EPF10K100BQC208-2 for pattern storage, timing generation, and bus capture. The 12 EABs implement dual-port pattern buffers that the host CPU reads while the FPGA continues capture. The 5V Vcc simplifies integration with legacy instrumentation front-ends, and JTAG access enables on-board reconfiguration in field-test racks. Designers targeting higher pattern depths migrate to EPF10K100E or Cyclone IV.
推薦
推薦產品摘要
工程參考資料，適用於 EPF10K100BQC208-2 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | EPF10K100BQC208-1 | EPF10K100EQC208-2 | EPF10K100EQC208-1 | EPF10K100BQC208-3 | EPF10K100EQC208-3 |
|---|---|---|---|---|---|---|
| Package | 208-PQFP (28x28 mm) | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same |
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Family / Series | FLEX 10K (B-series) | FLEX 10K (B-series) | FLEX 10K (E-series) | FLEX 10K (E-series) | FLEX 10K (B-series) | FLEX 10K (E-series) |
| Speed Grade | -2 | -1 (slower) | -2 (same) | -1 (slower) | -3 (faster) | -3 (faster) |
| Pin-Compatible Drop-In | Reference | Yes (same footprint, slower) | Yes (official E-series PDN replacement) | Yes (official E-series, slower) | Yes (same footprint, faster) | Yes (E-series, faster) |
| Lifecycle Status | Obsolete (per Altera PDN) | Obsolete | Obsolete (last-time-buy per PDN) | Obsolete | Obsolete | Obsolete |
| Supply Voltage (Vccint) | 4.75V to 5.25V | 4.75V to 5.25V | 4.75V to 5.25V | 4.75V to 5.25V | 4.75V to 5.25V | 4.75V to 5.25V |
| Logic Elements | 4,992 | 4,992 | 4,992 (E-series equivalent) | 4,992 (E-series equivalent) | 4,992 | 4,992 (E-series equivalent) |
| EAB Count | 12 | 12 | 12 | 12 | 12 | 12 |
| Estimated Unit Price (qty 1000, as of 2026-09-11) | $82 | $78 (approx, slower grade) | $95 (approx, E-series scarce) | $90 (approx, E-series) | $110 (approx, faster grade) | $125 (approx, E-series faster) |
主要差異化特點
- Official Altera-recommended pin-compatible E-series successor (對比EPF10K100BQC208-1)
- Higher internal performance (faster -3 speed grade) (對比EPF10K100BQC208-1)
- Multi-volt I/O (3.3V/5V tolerant banks) (對比EPF10K100EQC208-2)
設計說明
Estimated: at 5V Vccint and full I/O switching on all 148 user I/Os at 50 MHz, the EPF10K100BQC208-2 core draws approximately 250 mA. Designers should provision a 5V regulator with at least 1.5 A headroom and bulk-decouple every VCCINT/VCCIO pin with 0.1 µF ceramic plus 10 µF tantalum. Decoupling capacitors must be placed within 5 mm of each supply pin per Altera's PQFP layout guide. In-system power sequencing should bring VCCINT up before VCCIO to prevent I/O latch-up.
The 208-PQFP package has a 0.5 mm lead pitch and 28 x 28 mm body. PCB land patterns must follow IPC-7351 nominal-M (medium) density rules with 0.30 mm wide pads and 0.50 mm pitch. A continuous ground plane beneath the device is mandatory to control Vccint switching noise; split the plane only at the FPGA's I/O banks if multi-voltage is required. Thermal performance requires a copper area of at least 25 cm² on the top layer to keep θJA below 30 °C/W for the commercial-grade part.
Do not assume FLEX 10K and FLEX 10KE bitstreams are interchangeable: Quartus II projects must be recompiled against the target device library before swapping silicon. The MSEL pins must be tied correctly for the chosen configuration mode (PS, AS, or JTAG). The CONF_DONE pin requires a 10 kΩ pull-up to VCCIO. When migrating to EPF10K100E, verify I/O timing against the new datasheet because some I/O standards have altered drive strengths and tCO/tSU windows.
Route all JTAG signals (TCK, TMS, TDI, TDO, TRST) with 50 Ω controlled impedance and keep total length under 100 mm to meet IEEE 1149.1 timing. Place the configuration PROM (e.g., EPC2LC20) within 50 mm of the FPGA's DATA0/DCLK/nCONFIG/nSTATUS pins and add 100 Ω series damping resistors if the traces exceed 25 mm. For multi-FPGA chains, add 33 Ω series termination on TCK and TMS to prevent ringing at high chain counts.
合規資訊
EPF10K100BQC208-2 is a legacy FPGA produced in the late 1990s / early 2000s. RoHS, REACH, lead-free, and halogen-free status are not consistently documented across distributors and must be verified with the specific lot from the authorized distributor (e.g., Rochester Electronics). AEC-Q100 is not applicable as no automotive-qualified variant of this commercial-grade part exists.
