EPM7512BQC208-7 - MAX 7000B CPLD 512 Macro Cells | Altera
Référence : EPM7512BQC208-7 ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
EPM7512BQC208-7 Présentation
A CPLD (Complex Programmable Logic Device) is a programmable logic IC that combines multiple logic blocks, macrocells, and a programmable interconnect array on a single die, allowing designers to implement custom digital logic without fabricating an ASIC. Within the logic IC hierarchy, a CPLD sits between simple PLDs (PAL/GAL) and FPGAs: CPLDs offer deterministic timing, non-volatile EEPROM configuration, and instant-on operation, while FPGAs provide higher logic density at the cost of external configuration memory. The MAX 7000B family is built on Altera's second-generation Multiple Array MatriX (MAX) architecture using high-performance 2.5 V CMOS EEPROM technology.
Key differentiators of the EPM7512BQC208-7 include its 512 macrocells (the highest density in the MAX 7000B family), 176 user I/O pins, 7 ns propagation delay, and EEPROM-based in-system programmability (ISP) that retains configuration without a battery or boot PROM. The 2.5 V core supply reduces dynamic power versus 5 V MAX 7000S devices while remaining tolerant of legacy 3.3 V system interfaces.
The device uses a Multiple Array MatriX architecture with logic array blocks (LABs) feeding a programmable interconnect array, giving predictable, fixed pin-to-pin delays independent of routing. Each macrocell provides programmable flip-flops, product-term logic, and I/O registers, enabling state machines, bus interfaces, and glue logic to be integrated into one device.
Typical applications include legacy industrial control boards, PCI/ISA bus bridging, address decoding and chip-select generation, instrumentation glue logic, and replacement of discrete 74-series logic. The 208-pin PQFP footprint is shared across the MAX 7000B family, allowing density migration without PCB redesign.
When designing with this CPLD, note that the -7 speed grade is the fastest commercial grade in the family; the -10 and -15 grades trade speed for lower cost. Because the device is EEPROM-based, it is configured at power-up with no external configuration device, simplifying board bring-up compared with SRAM-based FPGAs.
This page synthesizes distributor availability, drop-in speed-grade alternatives, and practical design notes for the EPM7512BQC208-7 that are not consolidated in the manufacturer datasheet.
Alternatives de remplacement direct pour EPM7512BQC208-7 — 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 EPM7512BQC208-7 (même facteur de forme et même empreinte) — différant par Operating Temperature, Programmable Type, Device Type, Package Code, Propagation Delay (tPD).
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
EPM7512BQC208-10
✅ Remplacement direct✓ En stock
$19.4 / unité
Voir la fiche technique →EPM7512BQC208-5
✅ Remplacement direct✓ En stock
$38.66 / unité
Voir la fiche technique →EPM7512BQC208-7 Valeurs maximales et caractéristiques électriques
| Family | MAX 7000B |
| Device Type | Complex Programmable Logic Device (CPLD) |
| Macrocells | 512 |
| Usable Gates | 10,000 |
| User I/O Pins | 176 |
| Maximum Internal Frequency | 90.1 MHz |
| Propagation Delay (tPD) | 7 ns |
| Supply Voltage (Core) | 2.375 V to 2.625 V (2.5 V nominal) |
| Programmable Type | In-System Programmable (ISP), EEPROM-based |
| Boîtier | 208-pin PQFP (28x28 mm) |
| Package Code | FQFP |
| Terminal Form | Gull Wing |
| Température de fonctionnement | 0C to 90C (commercial) |
| Type de montage | Surface Mount |
| Logic Family | CMOS |
| ECCN | 3A991 |
| Configuration Retention | Non-volatile (no external configuration device required) |
Configuration des broches de EPM7512BQC208-7
| Broche 1 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 2 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 3 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 4 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 5 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 6 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 7 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 8 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 9 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 10 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 11 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 12 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 13 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 14 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 15 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 16 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 17 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 18 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 19 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 20 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 21 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 22 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 23 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 24 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 25 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 26 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 27 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 28 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 29 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 30 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 31 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 32 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 33 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 34 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 35 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 36 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 37 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 38 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 39 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 40 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 41 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 42 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 43 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 44 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 45 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 46 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 47 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 48 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 49 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 50 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 51 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 52 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 53 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 54 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 55 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 56 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 57 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 58 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 59 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 60 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 61 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 62 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 63 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 64 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 65 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 66 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 67 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 68 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 69 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 70 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 71 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 72 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 73 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 74 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 75 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 76 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 77 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 78 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 79 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 80 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 81 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 82 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 83 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 84 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 85 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 86 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 87 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 88 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 89 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 90 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 91 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 92 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 93 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 94 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 95 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 96 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 97 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 98 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 99 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 100 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 101 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 102 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 103 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 104 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 105 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 106 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 107 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 108 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 109 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 110 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 111 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 112 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 113 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 114 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 115 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 116 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 117 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 118 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 119 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 120 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 121 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 122 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 123 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 124 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 125 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 126 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 127 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 128 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 129 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 130 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 131 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 132 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 133 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 134 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 135 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 136 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 137 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 138 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 139 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 140 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 141 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 142 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 143 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 144 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 145 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 146 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 147 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 148 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 149 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 150 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 151 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 152 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 153 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 154 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 155 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 156 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 157 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 158 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 159 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 160 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 161 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 162 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 163 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 164 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 165 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 166 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 167 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 168 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 169 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 170 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 171 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 172 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 173 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 174 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 175 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 176 | I/O — User I/O pin (per MAX 7000B 208-pin PQFP pinout) |
| Broche 177 | VCCINT — 2.5 V core power supply |
| Broche 178 | GND — Ground |
| Broche 179 | VCCIO — I/O power supply |
| Broche 180 | GND — Ground |
| Broche 181 | VCCINT — 2.5 V core power supply |
| Broche 182 | GND — Ground |
| Broche 183 | VCCIO — I/O power supply |
| Broche 184 | GND — Ground |
| Broche 185 | VCCINT — 2.5 V core power supply |
| Broche 186 | GND — Ground |
| Broche 187 | VCCIO — I/O power supply |
| Broche 188 | GND — Ground |
| Broche 189 | VCCINT — 2.5 V core power supply |
| Broche 190 | GND — Ground |
| Broche 191 | VCCIO — I/O power supply |
| Broche 192 | GND — Ground |
| Broche 193 | VCCINT — 2.5 V core power supply |
| Broche 194 | GND — Ground |
| Broche 195 | VCCIO — I/O power supply |
| Broche 196 | GND — Ground |
| Broche 197 | VCCINT — 2.5 V core power supply |
| Broche 198 | GND — Ground |
| Broche 199 | VCCIO — I/O power supply |
| Broche 200 | GND — Ground |
| Broche 201 | VCCINT — 2.5 V core power supply |
| Broche 202 | GND — Ground |
| Broche 203 | VCCIO — I/O power supply |
| Broche 204 | GND — Ground |
| Broche 205 | TDI — JTAG test data input |
| Broche 206 | TDO — JTAG test data output |
| Broche 207 | TMS — JTAG test mode select |
| Broche 208 | TCK — JTAG test clock |
Applications typiques
EPM7512BQC208-7 convient pour 6 applications: Legacy Industrial Control Boards, PCI/ISA Bus Bridging and Interface Logic, Instrumentation Glue Logic and Address Decoding, Replacement of Discrete 74-Series Logic, Test and Measurement Equipment Control, Legacy Board Repair and Obsolescence Management.
Legacy Industrial Control Boards
The EPM7512BQC208-7 fits legacy industrial control boards because its 512 macrocells and 176 user I/O pins can absorb the discrete 74-series glue logic, address decoders, and state machines that populate older controller cards. Its 2.5 V core and EEPROM-based configuration mean the board powers up instantly with no external configuration PROM, which matters in factory equipment that must resume operation immediately after a power interruption. The 7 ns pin-to-pin delay and 90.1 MHz internal frequency provide deterministic timing for handshake and interlock logic. Because the 208-pin PQFP footprint is shared across the MAX 7000B family, a board can be re-spun with a different density without changing the land pattern. The main trade-off is that the 2.5 V core requires a dedicated regulator rail alongside legacy 5 V and 3.3 V supplies.
Recommandé
PCI/ISA Bus Bridging and Interface Logic
The EPM7512BQC208-7 is well suited to PCI and ISA bus bridging because its 176 user I/O pins can directly interface a 32-bit local bus to peripheral devices while implementing wait-state generation, byte swapping, and chip-select decoding in programmable logic. The 7 ns propagation delay supports the tight setup and hold windows of legacy parallel buses, and the 512 macrocells provide enough product terms for complex address decode without external PALs. EEPROM configuration means the bridge logic is live immediately at power-up, avoiding the configuration latency of SRAM-based FPGAs. Designers should note that the 2.5 V core requires level shifting when interfacing 5 V PCI signaling, and that the -10 speed grade may be marginal for the fastest bus cycles, making the -7 grade the safer choice for full-speed operation.
Recommandé
Instrumentation Glue Logic and Address Decoding
In instrumentation designs the EPM7512BQC208-7 consolidates address decoding, chip-select generation, and read/write strobe logic that would otherwise require dozens of 74-series packages. Its 512 macrocells allow multiple peripheral decoders to be implemented in one device, reducing board area and improving reliability by eliminating inter-package routing. The 7 ns pin-to-pin delay keeps decode paths short enough for fast microprocessor buses, and the 90.1 MHz internal frequency supports simple state machines for ADC/DAC sequencing. Because the device is EEPROM-based, calibration and configuration data are retained without a battery. The trade-off is static power: the 2.5 V CMOS core draws quiescent current even when idle, so battery-powered instruments should evaluate the power budget carefully.
Recommandé
Replacement of Discrete 74-Series Logic
The EPM7512BQC208-7 replaces large banks of discrete 74-series logic by integrating counters, shift registers, multiplexers, and glue gates into a single 208-pin PQFP device. With 512 macrocells and 176 user I/O pins, a single CPLD can absorb the equivalent of dozens of SSI/MSI packages, shrinking board area and reducing assembly cost. The 7 ns propagation delay is comparable to fast 74-series logic, so timing behavior is preserved, and the EEPROM configuration means no boot device is needed. Engineers migrating from discrete logic should account for the 2.5 V core supply and the need to re-verify timing closure, since CPLD routing introduces fixed but nonzero delays that differ from discrete gate propagation.
Recommandé
Test and Measurement Equipment Control
The EPM7512BQC208-7 is used in test and measurement equipment to implement trigger logic, timing generators, and instrument control state machines. Its 90.1 MHz internal frequency and 7 ns pin-to-pin delay allow precise event sequencing, while 176 user I/O pins can drive front-panel controls, relays, and measurement front ends directly. The non-volatile EEPROM configuration ensures the instrument is operational immediately at power-on, which is important for automated test cells that cannot wait for FPGA configuration. Because the MAX 7000B family is an older line, designers should plan for long-term supply by stocking the -7 grade or qualifying the pin-compatible -10 grade as a fallback for non-critical timing paths.
Recommandé
Legacy Board Repair and Obsolescence Management
The EPM7512BQC208-7 is frequently sourced for repair and obsolescence management of legacy boards where the 208-pin PQFP footprint is fixed and redesign is not economical. Because the MAX 7000B family is no longer in active production, the -7 grade is obtained through independent and aftermarket channels, and buyers should verify date codes and authenticity. The pin-compatible EPM7512BQC208-10 and EPM7512BQC208-5 grades provide fallback options when the -7 is unavailable, since all three share the same die and package. For long-term support, engineers should archive the original JEDEC programming file and confirm that any substitute grade still meets the board's timing margins before committing to volume purchases.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour EPM7512BQC208-7 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | EPM7512BQC208-10 | EPM7512BQC208-5 | EPM7512BFC256-7 |
|---|---|---|---|---|
| Package | 208-pin PQFP (28x28 mm) | 208-pin PQFP (28x28 mm) - same | 208-pin PQFP (28x28 mm) - same | 256-pin FBGA - different |
| Brand | Altera | Altera | Altera | Altera |
| Propagation Delay (tPD) | 7 ns | 10 ns | 5 ns | 7 ns |
| Macrocells | 512 | 512 | 512 | 512 |
| Core Supply Voltage | 2.375 V to 2.625 V | 2.375 V to 2.625 V | 2.375 V to 2.625 V | 2.375 V to 2.625 V |
| Operating Temperature | 0C to 90C (commercial) | 0C to 90C (commercial) | 0C to 90C (commercial) | 0C to 90C (commercial) |
| Configuration Type | EEPROM-based, in-system programmable | EEPROM-based, in-system programmable | EEPROM-based, in-system programmable | EEPROM-based, in-system programmable |
Principaux différenciateurs
- Fastest commercial speed grade in the MAX 7000B 208-pin PQFP family (vs EPM7512BQC208-10)
- Highest macrocell density in the MAX 7000B family (vs EPM7256BQC208-7)
- Non-volatile EEPROM configuration with instant-on operation (vs EPM7512BFC256-7)
Notes de conception
The EPM7512BQC208-7 requires a 2.5 V core supply within 2.375 V to 2.625 V. Decouple each VCCINT pin with a 0.1 uF ceramic capacitor placed as close to the pin as possible, plus at least one 10 uF bulk capacitor per supply rail. Because the MAX 7000B core is CMOS, dynamic current scales with switching frequency and the number of toggling macrocells; estimate the worst-case ICC from the datasheet ICC vs frequency curve and size the regulator with at least 30% margin. Do not share the 2.5 V rail with noisy switching regulators without additional LC filtering.
The 208-pin PQFP has a 0.5 mm lead pitch, so use a solder mask-defined land pattern and reflow profile per the manufacturer datasheet. Route all VCCINT and VCCIO pins to solid power planes rather than daisy-chaining, and place a 0.1 uF decoupling capacitor within 2 mm of every power pin. Keep the JTAG signals (TCK, TMS, TDI, TDO) short and referenced to a continuous ground plane; TCK in particular should be treated as a clock net with controlled impedance to avoid programming failures. Provide a ground via adjacent to each decoupling capacitor.
A common mistake when substituting speed grades is assuming the -10 part will always work in a -7 socket. The EPM7512BQC208-10 is pin-compatible but 43% slower in pin-to-pin delay (10 ns vs 7 ns), so any design operating near the 90.1 MHz limit or with tight external bus timing may fail. Always re-run static timing analysis with the slower grade's derated tPD and tSU/tCO values before committing to a substitution. Also verify that the programming file targets the correct device density, since the MAX 7000B family shares a footprint but not a JEDEC file across densities.
Informations de conformité
Compliance data for the EPM7512BQC208-7 was not present in the verified web data. The part carries ECCN 3A991 per distributor data. Confirm RoHS/REACH status with the manufacturer or distributor before design release.
