EPM3512AQC208-7 - MAX 3000A CPLD, 512 Macrocells, 7.5ns, 208-PQFP | Intel
MPN: EPM3512AQC208-7 ✗ Akhir HidupEPM3512AQC208-7 Ringkasan
A Complex Programmable Logic Device (CPLD) is a non-volatile programmable logic device that combines multiple PAL-like logic blocks on a single chip, providing predictable timing, instant-on behavior, and high I/O count for glue-logic, bus-interface, and state-controller applications. CPLDs sit alongside FPGAs in the programmable logic hierarchy: FPGAs offer higher logic density and register count, while CPLDs excel at deterministic timing, lower power, and instant boot from on-chip EEPROM. The MAX 3000A family targets cost-sensitive industrial, communication, and consumer designs that need fast, deterministic logic integration.
The EPM3512AQC208-7 integrates in-system programmability (ISP) compliant with the IEEE Std. 1532 specification, allowing concurrent ISP across multiple PLD vendors and reconfiguration without removing the device from the board. The MultiVolt I/O pins interface directly with 5.0 V, 3.3 V, and 2.5 V logic, eliminating external level shifters when bridging legacy and modern buses. Built on a 0.30 um CMOS EEPROM process with a MAX architecture, the device delivers high logic density with predictable interconnect delays that are independent of routing patterns, simplifying static-timing closure.
Typical applications include bus-interface bridging, address decoding and glue logic for microprocessor systems, state-machine controllers, I/O expansion, and power-up sequencing for FPGAs or processors requiring controlled reset behavior. Designers often pair the EPM3512AQC208-7 with an external configuration PROM or use it standalone for deterministic control logic. Its instant-on EEPROM architecture boots the configured logic within microseconds, which is critical for safety-critical and deterministic system bring-up.
When designing with the EPM3512AQC208-7, observe the 208-PQFP thermal envelope and provide a sufficient ground/power plane on inner PCB layers to keep junction temperature below 125 C. Decouple each VCCINT and VCCIO pin with a 0.1 uF ceramic capacitor placed within 100 mils of the pin, and use the Quartus II or MAX+PLUS II software toolchain for fitting, simulation, and JTAG-based ISP.
Alternatif penggantian untuk EPM3512AQC208-7 — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian EPM3512AQC208-7 (sama faktor bentuk dan footprint) — berbeda di dalam Package, Operating Temperature, Speed Grade, In-System Programmability, Process Technology.
EPM3512AQC208-7N
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPM3512AQC208-10
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPM3512AQC208-10N
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPM3512AQC208-15N
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPM3512AQC208-3N
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPM3512AQC208-2
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPM3512AQC208-7 Rating Maksimal & Karakteristik Listrik
| Family | MAX 3000A |
| Device Type | CPLD (Complex Programmable Logic Device) |
| Macrocells | 512 |
| Usable Gates | 10,000 |
| Propagation Delay (tPD) | 7.5 ns |
| Counter Frequency (fCNT) | 116.3 MHz |
| User I/Os | 172 |
| Logic Elements / LEs | N/A (CPLD macrocell architecture) |
| Supply Voltage (VCCINT) | 3.3 V |
| I/O Standards Supported | 5.0 V, 3.3 V, 2.5 V (MultiVolt I/O) |
| Paket | 208-Pin PQFP (FQFP, gull-wing) |
| Suhu Kerja | 0 C to +70 C (commercial) |
| Programming | In-System Programmable via JTAG (IEEE Std. 1532) |
| Process Technology | CMOS EEPROM, 0.30 um |
| Status RoHS | Compliant |
| Lead-Free | Yes |
Konfigurasi Pin EPM3512AQC208-7
| Pin produk 1 | I/O — User I/O pin (bank 1) |
| Pin produk 2 | I/O — User I/O pin (bank 1) |
| Pin produk 3 | I/O — User I/O pin (bank 1) |
| Pin produk 4 | I/O — User I/O pin (bank 1) |
| Pin produk 5 | I/O — User I/O pin (bank 1) |
| Pin produk 6 | I/O — User I/O pin (bank 1) |
| Pin produk 7 | VCCIO1 — I/O bank 1 supply voltage (MultiVolt) |
| Pin produk 8 | I/O — User I/O pin (bank 1) |
| Pin produk 9 | I/O — User I/O pin (bank 1) |
| Pin produk 10 | I/O — User I/O pin (bank 1) |
| Pin produk 11 | I/O — User I/O pin (bank 1) |
| Pin produk 12 | I/O — User I/O pin (bank 1) |
| Pin produk 13 | I/O — User I/O pin (bank 1) |
| Pin produk 14 | I/O — User I/O pin (bank 1) |
| Pin produk 15 | I/O — User I/O pin (bank 1) |
| Pin produk 16 | I/O — User I/O pin (bank 1) |
| Pin produk 17 | I/O — User I/O pin (bank 1) |
| Pin produk 18 | GND — Ground |
| Pin produk 19 | I/O — User I/O pin (bank 1) |
| Pin produk 20 | I/O — User I/O pin (bank 1) |
| Pin produk 21 | I/O — User I/O pin (bank 1) |
| Pin produk 22 | I/O — User I/O pin (bank 1) |
| Pin produk 23 | I/O — User I/O pin (bank 1) |
| Pin produk 24 | I/O — User I/O pin (bank 1) |
| Pin produk 25 | I/O — User I/O pin (bank 1) |
| Pin produk 26 | I/O — User I/O pin (bank 1) |
| Pin produk 27 | I/O — User I/O pin (bank 1) |
| Pin produk 28 | GND — Ground |
| Pin produk 29 | I/O — User I/O pin (bank 2) |
| Pin produk 30 | I/O — User I/O pin (bank 2) |
| Pin produk 31 | I/O — User I/O pin (bank 2) |
| Pin produk 32 | I/O — User I/O pin (bank 2) |
| Pin produk 33 | I/O — User I/O pin (bank 2) |
| Pin produk 34 | VCCIO2 — I/O bank 2 supply voltage (MultiVolt) |
| Pin produk 35 | I/O — User I/O pin (bank 2) |
| Pin produk 36 | I/O — User I/O pin (bank 2) |
| Pin produk 37 | I/O — User I/O pin (bank 2) |
| Pin produk 38 | I/O — User I/O pin (bank 2) |
| Pin produk 39 | I/O — User I/O pin (bank 2) |
| Pin produk 40 | I/O — User I/O pin (bank 2) |
| Pin produk 41 | I/O — User I/O pin (bank 2) |
| Pin produk 42 | I/O — User I/O pin (bank 2) |
| Pin produk 43 | I/O — User I/O pin (bank 2) |
| Pin produk 44 | I/O — User I/O pin (bank 2) |
| Pin produk 45 | I/O — User I/O pin (bank 2) |
| Pin produk 46 | I/O — User I/O pin (bank 2) |
| Pin produk 47 | I/O — User I/O pin (bank 2) |
| Pin produk 48 | I/O — User I/O pin (bank 2) |
| Pin produk 49 | I/O — User I/O pin (bank 2) |
| Pin produk 50 | GND — Ground |
| Pin produk 51 | I/O — User I/O pin (bank 2) |
| Pin produk 52 | I/O — User I/O pin (bank 2) |
| Pin produk 53 | I/O — User I/O pin (bank 2) |
| Pin produk 54 | I/O — User I/O pin (bank 2) |
| Pin produk 55 | I/O — User I/O pin (bank 2) |
| Pin produk 56 | I/O — User I/O pin (bank 2) |
| Pin produk 57 | I/O — User I/O pin (bank 2) |
| Pin produk 58 | I/O — User I/O pin (bank 2) |
| Pin produk 59 | GND — Ground |
| Pin produk 60 | I/O — User I/O pin (bank 3) |
| Pin produk 61 | I/O — User I/O pin (bank 3) |
| Pin produk 62 | I/O — User I/O pin (bank 3) |
| Pin produk 63 | I/O — User I/O pin (bank 3) |
| Pin produk 64 | I/O — User I/O pin (bank 3) |
| Pin produk 65 | I/O — User I/O pin (bank 3) |
| Pin produk 66 | I/O — User I/O pin (bank 3) |
| Pin produk 67 | I/O — User I/O pin (bank 3) |
| Pin produk 68 | I/O — User I/O pin (bank 3) |
| Pin produk 69 | I/O — User I/O pin (bank 3) |
| Pin produk 70 | VCCIO3 — I/O bank 3 supply voltage (MultiVolt) |
| Pin produk 71 | I/O — User I/O pin (bank 3) |
| Pin produk 72 | I/O — User I/O pin (bank 3) |
| Pin produk 73 | I/O — User I/O pin (bank 3) |
| Pin produk 74 | I/O — User I/O pin (bank 3) |
| Pin produk 75 | I/O — User I/O pin (bank 3) |
| Pin produk 76 | I/O — User I/O pin (bank 3) |
| Pin produk 77 | I/O — User I/O pin (bank 3) |
| Pin produk 78 | I/O — User I/O pin (bank 3) |
| Pin produk 79 | GND — Ground |
| Pin produk 80 | I/O — User I/O pin (bank 3) |
| Pin produk 81 | I/O — User I/O pin (bank 3) |
| Pin produk 82 | I/O — User I/O pin (bank 3) |
| Pin produk 83 | I/O — User I/O pin (bank 3) |
| Pin produk 84 | I/O — User I/O pin (bank 3) |
| Pin produk 85 | I/O — User I/O pin (bank 3) |
| Pin produk 86 | I/O — User I/O pin (bank 3) |
| Pin produk 87 | I/O — User I/O pin (bank 3) |
| Pin produk 88 | I/O — User I/O pin (bank 3) |
| Pin produk 89 | I/O — User I/O pin (bank 3) |
| Pin produk 90 | GND — Ground |
| Pin produk 91 | I/O — User I/O pin (bank 4) |
| Pin produk 92 | I/O — User I/O pin (bank 4) |
| Pin produk 93 | I/O — User I/O pin (bank 4) |
| Pin produk 94 | I/O — User I/O pin (bank 4) |
| Pin produk 95 | I/O — User I/O pin (bank 4) |
| Pin produk 96 | I/O — User I/O pin (bank 4) |
| Pin produk 97 | I/O — User I/O pin (bank 4) |
| Pin produk 98 | VCCIO4 — I/O bank 4 supply voltage (MultiVolt) |
| Pin produk 99 | I/O — User I/O pin (bank 4) |
| Pin produk 100 | I/O — User I/O pin (bank 4) |
| Pin produk 101 | I/O — User I/O pin (bank 4) |
| Pin produk 102 | I/O — User I/O pin (bank 4) |
| Pin produk 103 | I/O — User I/O pin (bank 4) |
| Pin produk 104 | I/O — User I/O pin (bank 4) |
| Pin produk 105 | I/O — User I/O pin (bank 4) |
| Pin produk 106 | I/O — User I/O pin (bank 4) |
| Pin produk 107 | I/O — User I/O pin (bank 4) |
| Pin produk 108 | I/O — User I/O pin (bank 4) |
| Pin produk 109 | I/O — User I/O pin (bank 4) |
| Pin produk 110 | GND — Ground |
| Pin produk 111 | I/O — User I/O pin (bank 4) |
| Pin produk 112 | I/O — User I/O pin (bank 4) |
| Pin produk 113 | I/O — User I/O pin (bank 4) |
| Pin produk 114 | I/O — User I/O pin (bank 4) |
| Pin produk 115 | I/O — User I/O pin (bank 4) |
| Pin produk 116 | I/O — User I/O pin (bank 4) |
| Pin produk 117 | I/O — User I/O pin (bank 4) |
| Pin produk 118 | I/O — User I/O pin (bank 4) |
| Pin produk 119 | I/O — User I/O pin (bank 4) |
| Pin produk 120 | I/O — User I/O pin (bank 4) |
| Pin produk 121 | I/O — User I/O pin (bank 4) |
| Pin produk 122 | GND — Ground |
| Pin produk 123 | I/O — User I/O pin (bank 4) |
| Pin produk 124 | I/O — User I/O pin (bank 4) |
| Pin produk 125 | I/O — User I/O pin (bank 4) |
| Pin produk 126 | I/O — User I/O pin (bank 4) |
| Pin produk 127 | I/O — User I/O pin (bank 4) |
| Pin produk 128 | I/O — User I/O pin (bank 4) |
| Pin produk 129 | I/O — User I/O pin (bank 4) |
| Pin produk 130 | I/O — User I/O pin (bank 4) |
| Pin produk 131 | I/O — User I/O pin (bank 4) |
| Pin produk 132 | GND — Ground |
| Pin produk 133 | I/O — User I/O pin (bank 4) |
| Pin produk 134 | TDI — JTAG Test Data In |
| Pin produk 135 | TMS — JTAG Test Mode Select |
| Pin produk 136 | TCK — JTAG Test Clock |
| Pin produk 137 | VCCINT — Core supply voltage (3.3 V) |
| Pin produk 138 | I/O — User I/O pin (bank 4) |
| Pin produk 139 | I/O — User I/O pin (bank 4) |
| Pin produk 140 | I/O — User I/O pin (bank 4) |
| Pin produk 141 | I/O — User I/O pin (bank 4) |
| Pin produk 142 | I/O — User I/O pin (bank 4) |
| Pin produk 143 | I/O — User I/O pin (bank 4) |
| Pin produk 144 | I/O — User I/O pin (bank 4) |
| Pin produk 145 | I/O — User I/O pin (bank 4) |
| Pin produk 146 | GND — Ground |
| Pin produk 147 | I/O — User I/O pin (bank 3) |
| Pin produk 148 | I/O — User I/O pin (bank 3) |
| Pin produk 149 | I/O — User I/O pin (bank 3) |
| Pin produk 150 | I/O — User I/O pin (bank 3) |
| Pin produk 151 | I/O — User I/O pin (bank 3) |
| Pin produk 152 | I/O — User I/O pin (bank 3) |
| Pin produk 153 | I/O — User I/O pin (bank 3) |
| Pin produk 154 | I/O — User I/O pin (bank 3) |
| Pin produk 155 | I/O — User I/O pin (bank 3) |
| Pin produk 156 | I/O — User I/O pin (bank 3) |
| Pin produk 157 | I/O — User I/O pin (bank 3) |
| Pin produk 158 | I/O — User I/O pin (bank 3) |
| Pin produk 159 | I/O — User I/O pin (bank 3) |
| Pin produk 160 | I/O — User I/O pin (bank 3) |
| Pin produk 161 | I/O — User I/O pin (bank 3) |
| Pin produk 162 | GND — Ground |
| Pin produk 163 | I/O — User I/O pin (bank 3) |
| Pin produk 164 | I/O — User I/O pin (bank 3) |
| Pin produk 165 | I/O — User I/O pin (bank 3) |
| Pin produk 166 | I/O — User I/O pin (bank 3) |
| Pin produk 167 | I/O — User I/O pin (bank 3) |
| Pin produk 168 | I/O — User I/O pin (bank 3) |
| Pin produk 169 | I/O — User I/O pin (bank 3) |
| Pin produk 170 | I/O — User I/O pin (bank 3) |
| Pin produk 171 | I/O — User I/O pin (bank 3) |
| Pin produk 172 | I/O — User I/O pin (bank 3) |
| Pin produk 173 | I/O — User I/O pin (bank 3) |
| Pin produk 174 | I/O — User I/O pin (bank 3) |
| Pin produk 175 | VCCINT — Core supply voltage (3.3 V) |
| Pin produk 176 | TDO — JTAG Test Data Out |
| Pin produk 177 | GND — Ground |
| Pin produk 178 | I/O — User I/O pin (bank 2) |
| Pin produk 179 | I/O — User I/O pin (bank 2) |
| Pin produk 180 | I/O — User I/O pin (bank 2) |
| Pin produk 181 | I/O — User I/O pin (bank 2) |
| Pin produk 182 | I/O — User I/O pin (bank 2) |
| Pin produk 183 | I/O — User I/O pin (bank 2) |
| Pin produk 184 | I/O — User I/O pin (bank 2) |
| Pin produk 185 | I/O — User I/O pin (bank 2) |
| Pin produk 186 | I/O — User I/O pin (bank 2) |
| Pin produk 187 | I/O — User I/O pin (bank 2) |
| Pin produk 188 | I/O — User I/O pin (bank 2) |
| Pin produk 189 | I/O — User I/O pin (bank 2) |
| Pin produk 190 | I/O — User I/O pin (bank 2) |
| Pin produk 191 | I/O — User I/O pin (bank 2) |
| Pin produk 192 | I/O — User I/O pin (bank 2) |
| Pin produk 193 | GND — Ground |
| Pin produk 194 | I/O — User I/O pin (bank 2) |
| Pin produk 195 | I/O — User I/O pin (bank 2) |
| Pin produk 196 | I/O — User I/O pin (bank 2) |
| Pin produk 197 | I/O — User I/O pin (bank 2) |
| Pin produk 198 | I/O — User I/O pin (bank 2) |
| Pin produk 199 | I/O — User I/O pin (bank 2) |
| Pin produk 200 | I/O — User I/O pin (bank 2) |
| Pin produk 201 | I/O — User I/O pin (bank 2) |
| Pin produk 202 | I/O — User I/O pin (bank 2) |
| Pin produk 203 | I/O — User I/O pin (bank 2) |
| Pin produk 204 | I/O — User I/O pin (bank 2) |
| Pin produk 205 | I/O — User I/O pin (bank 2) |
| Pin produk 206 | I/O — User I/O pin (bank 2) |
| Pin produk 207 | I/O — User I/O pin (bank 2) |
| Pin produk 208 | GND — Ground |
Aplikasi Umum
EPM3512AQC208-7 cocok untuk 6 aplikasis: Microprocessor Bus Interface Bridging, FPGA Configuration and Power Sequencing Controller, State Machine and Control Logic, Address Decoding and Memory Interfacing, I/O Expansion and GPIO Multiplexing, Legacy System Maintenance and Drop-In Replacement.
Microprocessor Bus Interface Bridging
The EPM3512AQC208-7's 172 user I/Os and 7.5 ns tPD make it an ideal bridge between microprocessors, DSPs, and peripherals operating at different bus widths or voltages. Its MultiVolt I/O directly interfaces 5.0 V legacy peripherals with 3.3 V modern cores without external level shifters, reducing BOM cost and board area. With 512 macrocells and deterministic timing, it can decode full 24-bit address spaces in a single pass, providing chip-select generation, wait-state insertion, and interrupt prioritization for systems requiring fast, predictable glue logic.
Direkomendasikan
FPGA Configuration and Power Sequencing Controller
FPGAs require strict multi-rail power-up and reset sequencing to prevent inrush damage and configuration errors. The EPM3512AQC208-7's instant-on EEPROM architecture boots in microseconds - far faster than FPGAs that need external configuration time - allowing it to drive enable lines, monitor PGOOD flags, and release FPGA reset only after all rails stabilize. Its 172 I/Os can manage multiple FPGAs, voltage regulators, and monitoring rails simultaneously, while the deterministic 7.5 ns tPD guarantees precise timing margins for sequenced power systems in industrial and telecom hardware.
Direkomendasikan
State Machine and Control Logic
Industrial controllers, motor drives, and instrumentation require deterministic state machines with guaranteed response times. The EPM3512AQC208-7's CPLD architecture provides predictable, routing-independent 7.5 ns pin-to-pin delays that simplify static-timing analysis - unlike FPGAs whose interconnect delays vary with placement. With 512 macrocells and 116.3 MHz counter frequency, designers can implement multi-state FSMs, PWM generators, quadrature decoders, and protocol controllers in a single device, while the instant-on EEPROM eliminates boot-time variability in safety-critical control loops.
Direkomendasikan
Address Decoding and Memory Interfacing
Memory subsystems require precise address decoding with sub-nanosecond setup times to avoid bus contention. The EPM3512AQC208-7's 7.5 ns tPD and 172 I/Os support full 32-bit address decoding with multiple chip-select outputs that enable memory banks, ROMs, and peripherals in a single cycle. Its MultiVolt I/O interfaces directly with SRAM, DRAM, and Flash memories operating at 5 V or 3.3 V without glue logic. The deterministic timing makes it a preferred choice for legacy CPU boards and 8/16/32-bit embedded systems requiring reliable address decoding.
Direkomendasikan
I/O Expansion and GPIO Multiplexing
Embedded systems frequently need more I/Os than the host microcontroller provides. The EPM3512AQC208-7 with 172 user I/Os can multiplex keypad rows/columns, LCD segment drivers, LED displays, and parallel peripherals through a serial SPI or I2C interface from the host. Its 3.3 V core with 5 V-tolerant I/O directly drives both modern and legacy peripherals, while the in-system programmability via JTAG allows field firmware updates without desoldering. This makes it ideal for industrial HMIs, point-of-sale terminals, and instrumentation front panels.
Direkomendasikan
Legacy System Maintenance and Drop-In Replacement
Many industrial, military, and aerospace systems designed in the late 1990s and early 2000s use the EPM3512AQC208-7 and now face EOL pressure on legacy components. The same -7 part with original Altera die remains available through distribution channels, providing an authentic drop-in replacement that preserves qualification, certification, and form-fit-function. Designers can also substitute speed-grade variants (-10, -3) within the same 208-PQFP package if stock of the -7 grade is constrained. This makes the EPM3512AQC208-7 family an essential part for sustaining legacy equipment.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk EPM3512AQC208-7 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | EPM3512AQC208-7N | EPM3512AQC208-10 | EPM3512AQC208-10N | EPM3512AQC208-15N | EPM3512AQC208-3N | EPM3512AQC208-2 |
|---|---|---|---|---|---|---|---|
| Package | 208-PQFP | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same |
| Brand | Intel (formerly Altera) | Intel - same | Intel - same | Intel - same | Intel - same | Intel - same | Intel - same |
| Macrocells | 512 | 512 | 512 | 512 | 512 | 512 | 512 |
| Propagation Delay (tPD) | 7.5 ns | 7.5 ns | 10 ns | 10 ns | 15 ns | 3 ns | 2 ns |
| User I/Os | 172 | 172 | 172 | 172 | 172 | 172 | 172 |
| Lead-Free / RoHS | RoHS (check variant) | Yes (lead-free) | Check variant | Yes (lead-free) | Yes (lead-free) | Yes (lead-free) | Check variant |
| Core Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| MultiVolt I/O (5.0V/3.3V/2.5V) | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Diferensiator Kunci
- Highest-density MAX 3000A in 208-PQFP package (vsEPM3256AQC208-7)
- Pin-compatible lead-free RoHS option (vsEPM3512AQC208-7N)
- True drop-in upgrade path with speed-grade variants (vsEPM3512AQC208-3N)
- MultiVolt I/O eliminates external level shifters (vsEPM3512AFI256-7N (256-FBGA variant))
Catatan Desain
Estimated: The EPM3512AQC208-7 draws approximately 100-300 mA at 3.3 V VCCINT depending on activity factor, plus I/O bank current at VCCIO. Decouple every VCCINT and VCCIO pin with a 0.1 uF ceramic capacitor placed within 100 mils of the pin; add a bulk 10 uF tantalum or ceramic near the device. Place VCCIO decoupling per bank because each bank can run at a different MultiVolt level. Use separate analog and digital ground planes joined at a single point under the CPLD.
The 208-PQFP has a theta_JA of approximately 35 C/W. At maximum commercial ambient (70 C) and typical 1 W dissipation, junction temperature rises 35 C to about 105 C - within the 125 C limit but with limited headroom. Provide thermal vias under the exposed die pad (PQFP has no exposed pad; rely on copper pour and inner-layer ground planes for heat spreading). Avoid placing the CPLD near high-power devices; in enclosed industrial housings, derate to 60 C ambient.
Route JTAG signals (TCK, TMS, TDI, TDO) with 4-8 mil traces and keep them under 2 inches; place a 10 kohm pull-up on TCK, TMS, TDI per IEEE 1532. The 208-PQFP has fine-pitch gull-wing leads at 0.5 mm pitch - use 4-layer PCB with 4-mil space/4-mil trace design rules for escape routing. Keep high-speed output traces short and series-terminate if driving more than 2 inches.
Do not confuse the 208-PQFP with the 256-FBGA (EPM3512AFI256-7) - they are NOT drop-in compatible despite sharing the 3512 die. The PQFP uses peripheral gull-wing leads while the FBGA uses a ball grid; pin functions and I/O bank assignments differ. Also, the EPM3512AQC208-7 vs EPM3512AQC208-7N differs only in lead finish (Pb vs Pb-free) - both are electrically identical. Use Quartus II 13.0 or earlier for design compilation; newer Quartus versions dropped MAX 3000A support.
When interfacing 5 V peripherals with the EPM3512AQC208-7, set the relevant VCCIO bank to 3.3 V (not 5 V) - the I/O pins are 5 V tolerant when VCCIO = 3.3 V per MultiVolt spec. Driving 5 V signals into a VCCIO=2.5 V bank exceeds absolute maximum ratings. For clock inputs, keep rise/fall times below 200 ns and avoid ringing by source-terminating fast edges with a 33 ohm series resistor at the driver.
Informasi Konformitas
RoHS compliance depends on suffix: the -7N suffix is explicitly Pb-free per FindIC data; the -7 suffix may be SnPb or Pb-free depending on date code. AEC-Q100 not qualified - commercial grade only (0-70 C). IEEE Std. 1532 ISP compliant.
