EPM3512AQI208-7 - MAX 3000A CPLD, 512 Macro Cells, 208-PQFP | Altera
Référence : EPM3512AQI208-7 ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.2 | $162,00 |
| 100 | $13.95 | $1 395,00 |
| 500 | $11.4 | $5 700,00 |
| 1 000 | $9.85 | $9 850,00 |
EPM3512AQI208-7 Présentation
A CPLD (Complex Programmable Logic Device) is a non-volatile, flash- or EPROM-based programmable logic device that sits between simple PLDs and FPGAs in the programmable logic hierarchy: simple PLD < CPLD < FPGA. Compared with FPGAs, CPLDs offer deterministic timing (typically 5-10 ns pin-to-pin), instant-on non-volatile configuration, and very low standby power, which makes them well suited for glue logic, bus decoding, and power-sequencing tasks in larger systems.
Key features of the EPM3512AQI208-7 include 512 macro cells (arranged in 16 Logic Array Blocks of 32 cells each), 100% non-volatile in-system programmability compliant with the IEEE Std. 1532 ISP specification, 3.3 V core operation with multi-voltage I/O support, and a speed grade of -7 which delivers a tPD (pin-to-pin delay) of approximately 7.5 ns and an fCNT toggle rate around 116.3 MHz. The device integrates JTAG boundary-scan support and a 4-pin JTAG interface for ISP.
Architecturally, the EPM3512AQI208-7 uses an EPROM-based programmable interconnect matrix (PIA) and product-term macro cells - a classic MAX-style architecture that has shipped in hundreds of millions of units since the mid-1990s. Its non-volatile bit cells retain logic configuration without external boot memory, which simplifies board layout and BOM cost versus SRAM-based FPGAs.
Typical applications include industrial control glue logic, address decoding and bus interfacing for legacy microprocessors, power-supply sequencing in multi-rail systems, peripheral expansion in 8051/PIC-based designs, and prototyping interfaces for ASIC emulation. The PQFP-208 footprint also allows hand-soldering and socketed prototyping, which is rarely possible with modern fine-pitch BGA packages.
When designing with this device, ensure that both VCCINT (3.3 V) and VCCIO (2.5 V / 3.3 V / 5.0 V) rails are properly decoupled with 0.1 uF and 10 uF capacitors placed close to the pins. The MAX 3000A is mature and in NRND/EOL transition for many variants, so design for second-source availability within the same PQFP-208 footprint (such as the EPM3512AQC208-7 family).
This page synthesizes distributor pricing, parametric drop-in alternatives within the MAX 3000A family, and practical design notes not found in the original manufacturer datasheet.
Alternatives de remplacement direct pour EPM3512AQI208-7 — 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 EPM3512AQI208-7 (même facteur de forme et même empreinte) — différant par Operating Temperature, Package, Logic Array Blocks (LABs), User I/Os, Process Technology.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
EPM3512AQI208-10N
✅ Remplacement direct✓ En stock
$12.9 / unité
Voir la fiche technique →EPM3512AQI208-10
✅ Remplacement direct✓ En stock
$15.2 / unité
Voir la fiche technique →EPM3512AQC208-7N
✅ Remplacement direct✓ En stock
$41.41 / unité
Voir la fiche technique →EPM3512AQC208-7
✅ Remplacement direct✓ En stock
$41.72 / unité
Voir la fiche technique →EPM3512AQC208-10N
✅ Remplacement direct✓ En stock
$42.8 / unité
Voir la fiche technique →EPM3512AQC208-10
✅ Remplacement direct✓ En stock
$22.1 / unité
Voir la fiche technique →EPM3512AQI208-7 Valeurs maximales et caractéristiques électriques
| Family | MAX 3000A |
| Device Type | CPLD (Complex Programmable Logic Device) |
| Usable Gates | 10,000 |
| Macro Cells | 512 |
| Logic Array Blocks (LABs) | 16 |
| Maximum Operating Frequency | 116.3 MHz |
| Speed Grade | -7 |
| Core Supply Voltage (VCCINT) | 3.3 V |
| I/O Supply Voltage (VCCIO) | 2.5 V / 3.3 V / 5.0 V |
| Programmability | Non-volatile, in-system programmable (IEEE Std. 1532) |
| JTAG Support | Yes (IEEE 1149.1 boundary scan + ISP) |
| Boîtier | 208-pin PQFP |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +85C (industrial) |
| Lead-Free / RoHS | Compliant per Altera product page |
Configuration des broches de EPM3512AQI208-7
| Broche 1 | I/O — User I/O pin (function assigned by design) |
| 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 | GND — Ground |
| 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 | VCCIO — I/O supply voltage (2.5 V / 3.3 V / 5.0 V) |
| Broche 22 | I/O — User I/O pin |
| Broche 23 | I/O — User I/O pin |
| Broche 24 | I/O — User I/O pin |
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| Broche 30 | I/O — User I/O pin |
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| Broche 32 | I/O — User I/O pin |
| Broche 33 | GND — Ground |
| 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 |
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| 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 | VCCINT — Core supply voltage (3.3 V) |
| 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 | GND — Ground |
| 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 |
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| 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 | VCCIO — I/O supply voltage (2.5 V / 3.3 V / 5.0 V) |
| 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 |
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| 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 | GND — Ground |
| 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 |
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| 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 | VCCINT — Core supply voltage (3.3 V) |
| Broche 94 | I/O — User I/O pin |
| Broche 95 | I/O — User I/O pin |
| Broche 96 | I/O — User I/O pin |
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| Broche 99 | I/O — User I/O pin |
| Broche 100 | I/O — User I/O pin |
| Broche 101 | I/O — User I/O pin |
| Broche 102 | I/O — User I/O pin |
| Broche 103 | I/O — User I/O pin |
| Broche 104 | GND — Ground |
| Broche 105 | I/O — User I/O pin |
| Broche 106 | I/O — User I/O pin |
| Broche 107 | I/O — User I/O pin |
| Broche 108 | I/O — User I/O pin |
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| Broche 114 | I/O — User I/O pin |
| Broche 115 | I/O — User I/O pin |
| Broche 116 | I/O — User I/O pin |
| Broche 117 | VCCIO — I/O supply voltage (2.5 V / 3.3 V / 5.0 V) |
| Broche 118 | I/O — User I/O pin |
| Broche 119 | I/O — User I/O pin |
| Broche 120 | I/O — User I/O pin |
| Broche 121 | I/O — User I/O pin |
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| Broche 125 | I/O — User I/O pin |
| Broche 126 | I/O — User I/O pin |
| Broche 127 | I/O — User I/O pin |
| Broche 128 | GND — Ground |
| Broche 129 | I/O — User I/O pin |
| Broche 130 | I/O — User I/O pin |
| Broche 131 | I/O — User I/O pin |
| Broche 132 | I/O — User I/O pin |
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| Broche 135 | I/O — User I/O pin |
| Broche 136 | I/O — User I/O pin |
| Broche 137 | I/O — User I/O pin |
| Broche 138 | I/O — User I/O pin |
| Broche 139 | I/O — User I/O pin |
| Broche 140 | I/O — User I/O pin |
| Broche 141 | VCCINT — Core supply voltage (3.3 V) |
| Broche 142 | I/O — User I/O pin |
| Broche 143 | I/O — User I/O pin |
| Broche 144 | I/O — User I/O pin |
| Broche 145 | I/O — User I/O pin |
| Broche 146 | I/O — User I/O pin |
| Broche 147 | I/O — User I/O pin |
| Broche 148 | I/O — User I/O pin |
| Broche 149 | I/O — User I/O pin |
| Broche 150 | I/O — User I/O pin |
| Broche 151 | I/O — User I/O pin |
| Broche 152 | GND — Ground |
| Broche 153 | I/O — User I/O pin |
| Broche 154 | I/O — User I/O pin |
| Broche 155 | I/O — User I/O pin |
| Broche 156 | I/O — User I/O pin |
| Broche 157 | I/O — User I/O pin |
| Broche 158 | I/O — User I/O pin |
| Broche 159 | I/O — User I/O pin |
| Broche 160 | I/O — User I/O pin |
| Broche 161 | I/O — User I/O pin |
| Broche 162 | I/O — User I/O pin |
| Broche 163 | I/O — User I/O pin |
| Broche 164 | I/O — User I/O pin |
| Broche 165 | VCCIO — I/O supply voltage (2.5 V / 3.3 V / 5.0 V) |
| Broche 166 | I/O — User I/O pin |
| Broche 167 | I/O — User I/O pin |
| Broche 168 | I/O — User I/O pin |
| Broche 169 | I/O — User I/O pin |
| Broche 170 | I/O — User I/O pin |
| Broche 171 | I/O — User I/O pin |
| Broche 172 | I/O — User I/O pin |
| Broche 173 | I/O — User I/O pin |
| Broche 174 | I/O — User I/O pin |
| Broche 175 | I/O — User I/O pin |
| Broche 176 | GND — Ground |
| Broche 177 | I/O — User I/O pin |
| Broche 178 | I/O — User I/O pin |
| Broche 179 | I/O — User I/O pin |
| Broche 180 | I/O — User I/O pin |
| Broche 181 | I/O — User I/O pin |
| Broche 182 | I/O — User I/O pin |
| Broche 183 | I/O — User I/O pin |
| Broche 184 | I/O — User I/O pin |
| Broche 185 | I/O — User I/O pin |
| Broche 186 | I/O — User I/O pin |
| Broche 187 | I/O — User I/O pin |
| Broche 188 | I/O — User I/O pin |
| Broche 189 | VCCINT — Core supply voltage (3.3 V) |
| Broche 190 | I/O — User I/O pin |
| Broche 191 | I/O — User I/O pin |
| Broche 192 | I/O — User I/O pin |
| Broche 193 | I/O — User I/O pin |
| Broche 194 | I/O — User I/O pin |
| Broche 195 | I/O — User I/O pin |
| Broche 196 | I/O — User I/O pin |
| Broche 197 | I/O — User I/O pin |
| Broche 198 | I/O — User I/O pin |
| Broche 199 | I/O — User I/O pin |
| Broche 200 | GND — Ground |
| Broche 201 | I/O — User I/O pin |
| Broche 202 | I/O — User I/O pin |
| Broche 203 | I/O — User I/O pin |
| Broche 204 | I/O — User I/O pin |
| Broche 205 | I/O — User I/O pin |
| Broche 206 | I/O — User I/O pin |
| Broche 207 | I/O — User I/O pin |
| Broche 208 | I/O — User I/O pin |
Applications typiques
EPM3512AQI208-7 convient pour 6 applications: Industrial Control Glue Logic, Legacy Microprocessor Address Decoding, Multi-Rail Power Supply Sequencing, ASIC Emulation and Prototyping, Peripheral Expansion in Embedded Systems, Bus Arbitration and DMA Control.
Industrial Control Glue Logic
The EPM3512AQI208-7 is ideal for industrial glue-logic applications where deterministic timing and instant-on non-volatile configuration matter. Its 512 macro cells provide ample capacity for address decoding, peripheral chip-select generation, and interrupt aggregation in PLC and motor-drive systems. The 116.3 MHz fCNT and ~7.5 ns tPD allow the CPLD to keep pace with 32-bit microcontrollers while the 3.3 V core and 5 V-tolerant I/O simplify interfacing to legacy industrial buses. Unlike an FPGA, the MAX 3000A configuration is retained without external boot memory, which is critical for factory automation systems that must boot deterministically after power-on. The PQFP-208 package also supports socketed prototyping for in-field reconfiguration of legacy controllers.
Recommandé
Legacy Microprocessor Address Decoding
The EPM3512AQI208-7 excels at address decoding and bus interfacing for legacy 8/16/32-bit microprocessors such as 8051, 68k, and x86 embedded systems. With 512 macro cells, designers can implement full address decoding for memory-mapped peripherals, chip-select generation, and wait-state insertion in a single device, eliminating 6-10 discrete TTL/CMOS packages. The PQFP-208 footprint provides enough user I/O (typically 164+ signals) to support 24-bit address buses plus chip-select outputs. Compared with discrete 74LS/74HC logic, the CPLD reduces board area and improves signal integrity by centralizing decode logic on a single device with controlled output slew rates. Industrial temperature grade (-40C to +85C) suits outdoor and factory-floor equipment.
Recommandé
Multi-Rail Power Supply Sequencing
The EPM3512AQI208-7 is widely used for power-supply sequencing in multi-rail systems where processors, FPGAs, or ASICs require specific rail-on and rail-off ordering. Its 3.3 V core plus 5 V-tolerant I/O let the CPLD monitor upstream power-good signals and gate downstream regulators via ENABLE or PGOOD pins. With 116.3 MHz performance, the CPLD responds to fault conditions within microseconds - faster than discrete RC timing networks. The 512 macro cells accommodate sequencing logic for 6-12 rails, while the non-volatile configuration means sequencing behavior is correct on the very first power-on cycle, before any firmware loads. This is essential for ASICs and microprocessors that latch-up if rails are applied in the wrong order.
Recommandé
ASIC Emulation and Prototyping
The EPM3512AQI208-7 serves as a prototyping vehicle for ASIC emulation, especially for designs originally targeting MAX 3000A silicon. Engineers can validate state machines, bus interfaces, and glue logic before committing to mask charges. With 10,000 usable gates and 512 macro cells, it accommodates medium-complexity ASIC functions and provides real-world timing validation. The PQFP-208 package can be socketed on a test board, allowing rapid iteration as the design is refined. The non-volatile EPROM-based configuration means the prototype works without boot memory - a major advantage over SRAM-based FPGAs that need a configuration PROM. The IEEE Std. 1532 ISP interface lets engineers re-program the device in seconds via JTAG.
Recommandé
Peripheral Expansion in Embedded Systems
The EPM3512AQI208-7 is well suited to expanding I/O and peripheral count in microcontroller-based embedded systems. It can implement UARTs, SPI masters, I2C controllers, PWM generators, and custom parallel interfaces without consuming the microcontroller's firmware cycles. With 512 macro cells and 116.3 MHz performance, the CPLD handles multiple peripheral functions simultaneously, offloading real-time tasks from the MCU. The 5 V-tolerant I/O is invaluable when interfacing to legacy industrial peripherals that still use 5 V signaling. Engineers frequently use the device to add SD card controllers, LCD interfaces, or quadrature decoders to low-pin-count microcontrollers like the 8051 or PIC families.
Recommandé
Bus Arbitration and DMA Control
The EPM3512AQI208-7 is commonly deployed for bus arbitration and DMA control in multi-master systems, where two or more bus masters (CPU, DMA controller, secondary processor) compete for shared memory or peripheral access. Its deterministic ~7.5 ns tPD provides predictable arbitration latency - critical for real-time systems where bus contention must be resolved in a known number of cycles. The 512 macro cells can implement multi-level priority encoders, bus-bridge logic, and timing-state machines in a single device. The 5 V-tolerant I/O bridges between 3.3 V cores and 5 V legacy peripherals, while the PQFP-208 footprint offers enough I/O for 32-bit data buses plus control signals. The non-volatile configuration ensures correct bus behavior from power-on, before any software is loaded.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour EPM3512AQI208-7 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | EPM3512AQI208-10N | EPM3512AQI208-10 | EPM3512AQC208-7N | EPM3512AQC208-7 | EPM3512AQC208-10N | EPM3512AQC208-10 |
|---|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | 208-pin PQFP | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same |
| Macro Cells | 512 | 512 | 512 | 512 | 512 | 512 | 512 |
| Usable Gates | 10,000 | 10,000 | 10,000 | 10,000 | 10,000 | 10,000 | 10,000 |
| Maximum Frequency | 116.3 MHz | ~92 MHz | ~92 MHz | 116.3 MHz | 116.3 MHz | ~92 MHz | ~92 MHz |
| Speed Grade | -7 | -10 | -10 | -7 | -7 | -10 | -10 |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | 0C to +70C (commercial) | 0C to +70C (commercial) | 0C to +70C (commercial) | 0C to +70C (commercial) |
| Core Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Pin-to-Pin Drop-In | Reference | Yes | Yes | Yes | Yes | Yes | Yes |
Principaux différenciateurs
- Fastest -7 speed grade within MAX 3512 family (vs EPM3512AQI208-10N)
- Industrial temperature range (-40C to +85C) (vs EPM3512AQC208-7)
- Non-volatile EPROM-based configuration (vs SRAM-based FPGAs (Cyclone, etc.))
Notes de conception
The EPM3512AQI208-7 requires both a 3.3 V VCCINT rail and a separate VCCIO rail (which can be 2.5 V, 3.3 V, or 5.0 V). Place a 0.1 uF decoupling capacitor within 5 mm of every VCCINT and VCCIO pin, plus a single 10 uF bulk capacitor per rail. Power-up sequencing is not strictly required for the MAX 3000A, but holding JTAG TCK low during power ramp prevents accidental ISP. Estimated: ICCINT quiescent current is approximately 30-50 mA depending on logic utilization; design the 3.3 V regulator for at least 200 mA headroom.
The 208-pin PQFP package has a 0.5 mm lead pitch and gull-wing leads. For prototype boards use a PQFP-208 socket (e.g., 3M Textool or equivalent) to allow rapid device swaps. For production soldering, use a reflow profile with peak temperature 245-250C and ensure solder paste stencil aperture is 0.4 mm wide for proper fillet formation. Route high-speed outputs (clock, JTAG TCK) with 50 ohm controlled impedance and keep traces shorter than 50 mm to avoid ringing. Estimated: signal integrity margins degrade for traces above 50 mm at 116 MHz toggle rates.
Common pitfalls: (1) connecting VCCIO to the wrong voltage - the part is 5 V-tolerant on I/O when VCCIO = 3.3 V but NOT when VCCIO = 2.5 V. (2) Forgetting the JTAG pull-up resistor on TDI and TMS - these pins require 10 kohm pull-ups to VCCIO for reliable ISP. (3) Driving JTAG TCK faster than 10 MHz during ISP - the IEEE Std. 1532 interface limits TCK to 10 MHz for in-system programming. (4) Using the MAX 3000A in a new design without considering MAX II / MAX V migration - the family is NRND.
For designs that toggle multiple I/O pins simultaneously (e.g., address bus decoding on a 32-bit bus), enable the MAX 3000A's slow slew-rate option in Quartus to reduce ground bounce. Place series termination resistors (22-33 ohm) on outputs driving more than 50 mm of trace or more than 2 loads. The IEEE Std. 1532 JTAG chain must be terminated at the end-of-chain TDO pin with a 4.7 kohm pull-up to VCCIO. Estimated: ground bounce on 16 simultaneous switching outputs can reach 0.8 V without slew-rate control, which may corrupt logic on adjacent inputs.
Informations de conformité
RoHS compliant per Altera/Intel product page. MAX 3000A family is mature silicon; not AEC-Q100 qualified (use MAX V or Cyclone for automotive). Halogen-free status not explicitly stated in distributor data.