EPM7512BQC208-5 - MAX 7000B CPLD 512 Macro 176 IO | Altera
N.º da peça: EPM7512BQC208-5 ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $52.96 | $52,96 |
| 10 | $49.78 | $497,80 |
| 100 | $45.02 | $4.502,00 |
| 500 | $41.31 | $20.655,00 |
| 1.000 | $38.66 | $38.660,00 |
EPM7512BQC208-5 Visão geral
A CPLD (Complex Programmable Logic Device) is a programmable logic IC that combines multiple logic array blocks and macrocells with non-volatile configuration memory, allowing designers to implement glue logic, state machines, and bus interfaces without an external configuration device. In the logic IC hierarchy, a CPLD sits between simple PLDs (PAL/GAL) and FPGAs: CPLDs offer deterministic, single-cycle timing and instant-on operation, while FPGAs offer higher logic density. The MAX 7000B family is the 2.5 V evolution of the industry-standard MAX 7000 architecture.
Key features include 512 macrocells organized into 16 logic array blocks, 176 user I/O pins, a 163.9 MHz internal frequency (5 ns tPD), and EEPROM configuration that retains the design without power. The 2.5 V core reduces dynamic power versus 5 V MAX 7000S devices, and the device supports IEEE 1149.1 JTAG boundary-scan for in-system programming and board-level test.
The MAX 7000B architecture uses a programmable interconnect array (PIA) to route all logic signals, giving fully deterministic pin-to-pin delays independent of routing. Each macrocell provides a flip-flop with individual clock, clear, and preset, plus programmable output slew-rate and open-drain options. The 208-pin PQFP package provides 176 I/O with a 0.5 mm lead pitch.
Typical applications include PCI/ISA bus glue logic, DSP and microcontroller interface logic, memory controllers, and industrial control state machines. The 5 ns delay and 163.9 MHz operation suit address decoding and handshake logic where predictable timing matters more than raw gate count.
When designing with this device, note that the -5 speed grade is the fastest MAX 7000B grade and that the 2.5 V core requires level-compatible I/O planning for 3.3 V or 5 V peripherals. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para EPM7512BQC208-5 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com EPM7512BQC208-5 (mesmo formato e footprint) — diferindo em Operating Temperature, Package, Programmable Type, Propagation Delay (tPD), Device Type.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EPM7512BQC208-10
✅ Drop-In✓ Em estoque
$19.4 / unidade
Ver ficha técnica →EPM7512BFC256-7
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →EPM7512BFI256-7
✅ Drop-In✓ Em estoque
$62 / unidade
Ver ficha técnica →EPM7512AEQC208-7
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EPM7512AEQC208-10
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EPM7512BQC208-5 Classificações máximas e características elétricas
| Family | MAX 7000B |
| Device Type | EEPROM-based Complex Programmable Logic Device (CPLD) |
| Macrocells | 512 |
| Usable Gates | 10,000 |
| User I/O Pins | 176 |
| Logic Array Blocks | 16 |
| Propagation Delay (tPD) | 5 ns |
| Internal Frequency | 163.9 MHz |
| Supply Voltage (VCCINT) | 2.375 V to 2.625 V (2.5 V nominal) |
| Programmable Type | In System Programmable (ISP) |
| Configuration Memory | EEPROM (non-volatile) |
| Encapsulamento | 208-pin PQFP (28x28 mm) |
| Package Code | FQFP / S-PQFP-G208 |
| Terminal Pitch | 0.5 mm |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | 0C to 70C (commercial) |
| JTAG Support | IEEE 1149.1 boundary-scan |
| Speed Grade | -5 (fastest MAX 7000B grade) |
Configuração de pinos do EPM7512BQC208-5
| Pino 1 | I/O — General-purpose user I/O (Bank 1) |
| Pino 2 | I/O — General-purpose user I/O (Bank 1) |
| Pino 3 | I/O — General-purpose user I/O (Bank 1) |
| Pino 4 | I/O — General-purpose user I/O (Bank 1) |
| Pino 5 | I/O — General-purpose user I/O (Bank 1) |
| Pino 6 | I/O — General-purpose user I/O (Bank 1) |
| Pino 7 | I/O — General-purpose user I/O (Bank 1) |
| Pino 8 | I/O — General-purpose user I/O (Bank 1) |
| Pino 9 | I/O — General-purpose user I/O (Bank 1) |
| Pino 10 | I/O — General-purpose user I/O (Bank 1) |
| Pino 11 | I/O — General-purpose user I/O (Bank 1) |
| Pino 12 | I/O — General-purpose user I/O (Bank 1) |
| Pino 13 | I/O — General-purpose user I/O (Bank 1) |
| Pino 14 | I/O — General-purpose user I/O (Bank 1) |
| Pino 15 | I/O — General-purpose user I/O (Bank 1) |
| Pino 16 | I/O — General-purpose user I/O (Bank 1) |
| Pino 17 | I/O — General-purpose user I/O (Bank 1) |
| Pino 18 | I/O — General-purpose user I/O (Bank 1) |
| Pino 19 | I/O — General-purpose user I/O (Bank 1) |
| Pino 20 | I/O — General-purpose user I/O (Bank 1) |
| Pino 21 | I/O — General-purpose user I/O (Bank 1) |
| Pino 22 | I/O — General-purpose user I/O (Bank 1) |
| Pino 23 | I/O — General-purpose user I/O (Bank 1) |
| Pino 24 | I/O — General-purpose user I/O (Bank 1) |
| Pino 25 | I/O — General-purpose user I/O (Bank 1) |
| Pino 26 | I/O — General-purpose user I/O (Bank 1) |
| Pino 27 | I/O — General-purpose user I/O (Bank 1) |
| Pino 28 | I/O — General-purpose user I/O (Bank 1) |
| Pino 29 | I/O — General-purpose user I/O (Bank 1) |
| Pino 30 | I/O — General-purpose user I/O (Bank 1) |
| Pino 31 | I/O — General-purpose user I/O (Bank 1) |
| Pino 32 | I/O — General-purpose user I/O (Bank 1) |
| Pino 33 | I/O — General-purpose user I/O (Bank 1) |
| Pino 34 | I/O — General-purpose user I/O (Bank 1) |
| Pino 35 | I/O — General-purpose user I/O (Bank 1) |
| Pino 36 | I/O — General-purpose user I/O (Bank 1) |
| Pino 37 | I/O — General-purpose user I/O (Bank 1) |
| Pino 38 | I/O — General-purpose user I/O (Bank 1) |
| Pino 39 | I/O — General-purpose user I/O (Bank 1) |
| Pino 40 | I/O — General-purpose user I/O (Bank 1) |
| Pino 41 | I/O — General-purpose user I/O (Bank 1) |
| Pino 42 | I/O — General-purpose user I/O (Bank 1) |
| Pino 43 | I/O — General-purpose user I/O (Bank 1) |
| Pino 44 | I/O — General-purpose user I/O (Bank 1) |
| Pino 45 | I/O — General-purpose user I/O (Bank 1) |
| Pino 46 | I/O — General-purpose user I/O (Bank 1) |
| Pino 47 | I/O — General-purpose user I/O (Bank 1) |
| Pino 48 | I/O — General-purpose user I/O (Bank 1) |
| Pino 49 | I/O — General-purpose user I/O (Bank 1) |
| Pino 50 | I/O — General-purpose user I/O (Bank 1) |
| Pino 51 | I/O — General-purpose user I/O (Bank 1) |
| Pino 52 | I/O — General-purpose user I/O (Bank 1) |
| Pino 53 | VCCINT — 2.5 V core power supply |
| Pino 54 | GND — Ground |
| Pino 55 | I/O — General-purpose user I/O (Bank 2) |
| Pino 56 | I/O — General-purpose user I/O (Bank 2) |
| Pino 57 | I/O — General-purpose user I/O (Bank 2) |
| Pino 58 | I/O — General-purpose user I/O (Bank 2) |
| Pino 59 | I/O — General-purpose user I/O (Bank 2) |
| Pino 60 | I/O — General-purpose user I/O (Bank 2) |
| Pino 61 | I/O — General-purpose user I/O (Bank 2) |
| Pino 62 | I/O — General-purpose user I/O (Bank 2) |
| Pino 63 | I/O — General-purpose user I/O (Bank 2) |
| Pino 64 | I/O — General-purpose user I/O (Bank 2) |
| Pino 65 | I/O — General-purpose user I/O (Bank 2) |
| Pino 66 | I/O — General-purpose user I/O (Bank 2) |
| Pino 67 | I/O — General-purpose user I/O (Bank 2) |
| Pino 68 | I/O — General-purpose user I/O (Bank 2) |
| Pino 69 | I/O — General-purpose user I/O (Bank 2) |
| Pino 70 | I/O — General-purpose user I/O (Bank 2) |
| Pino 71 | I/O — General-purpose user I/O (Bank 2) |
| Pino 72 | I/O — General-purpose user I/O (Bank 2) |
| Pino 73 | I/O — General-purpose user I/O (Bank 2) |
| Pino 74 | I/O — General-purpose user I/O (Bank 2) |
| Pino 75 | I/O — General-purpose user I/O (Bank 2) |
| Pino 76 | I/O — General-purpose user I/O (Bank 2) |
| Pino 77 | I/O — General-purpose user I/O (Bank 2) |
| Pino 78 | I/O — General-purpose user I/O (Bank 2) |
| Pino 79 | I/O — General-purpose user I/O (Bank 2) |
| Pino 80 | I/O — General-purpose user I/O (Bank 2) |
| Pino 81 | I/O — General-purpose user I/O (Bank 2) |
| Pino 82 | I/O — General-purpose user I/O (Bank 2) |
| Pino 83 | I/O — General-purpose user I/O (Bank 2) |
| Pino 84 | I/O — General-purpose user I/O (Bank 2) |
| Pino 85 | I/O — General-purpose user I/O (Bank 2) |
| Pino 86 | I/O — General-purpose user I/O (Bank 2) |
| Pino 87 | I/O — General-purpose user I/O (Bank 2) |
| Pino 88 | I/O — General-purpose user I/O (Bank 2) |
| Pino 89 | I/O — General-purpose user I/O (Bank 2) |
| Pino 90 | I/O — General-purpose user I/O (Bank 2) |
| Pino 91 | I/O — General-purpose user I/O (Bank 2) |
| Pino 92 | I/O — General-purpose user I/O (Bank 2) |
| Pino 93 | I/O — General-purpose user I/O (Bank 2) |
| Pino 94 | I/O — General-purpose user I/O (Bank 2) |
| Pino 95 | I/O — General-purpose user I/O (Bank 2) |
| Pino 96 | I/O — General-purpose user I/O (Bank 2) |
| Pino 97 | I/O — General-purpose user I/O (Bank 2) |
| Pino 98 | I/O — General-purpose user I/O (Bank 2) |
| Pino 99 | I/O — General-purpose user I/O (Bank 2) |
| Pino 100 | I/O — General-purpose user I/O (Bank 2) |
| Pino 101 | I/O — General-purpose user I/O (Bank 2) |
| Pino 102 | I/O — General-purpose user I/O (Bank 2) |
| Pino 103 | I/O — General-purpose user I/O (Bank 2) |
| Pino 104 | I/O — General-purpose user I/O (Bank 2) |
| Pino 105 | VCCINT — 2.5 V core power supply |
| Pino 106 | GND — Ground |
| Pino 107 | I/O — General-purpose user I/O (Bank 3) |
| Pino 108 | I/O — General-purpose user I/O (Bank 3) |
| Pino 109 | I/O — General-purpose user I/O (Bank 3) |
| Pino 110 | I/O — General-purpose user I/O (Bank 3) |
| Pino 111 | I/O — General-purpose user I/O (Bank 3) |
| Pino 112 | I/O — General-purpose user I/O (Bank 3) |
| Pino 113 | I/O — General-purpose user I/O (Bank 3) |
| Pino 114 | I/O — General-purpose user I/O (Bank 3) |
| Pino 115 | I/O — General-purpose user I/O (Bank 3) |
| Pino 116 | I/O — General-purpose user I/O (Bank 3) |
| Pino 117 | I/O — General-purpose user I/O (Bank 3) |
| Pino 118 | I/O — General-purpose user I/O (Bank 3) |
| Pino 119 | I/O — General-purpose user I/O (Bank 3) |
| Pino 120 | I/O — General-purpose user I/O (Bank 3) |
| Pino 121 | I/O — General-purpose user I/O (Bank 3) |
| Pino 122 | I/O — General-purpose user I/O (Bank 3) |
| Pino 123 | I/O — General-purpose user I/O (Bank 3) |
| Pino 124 | I/O — General-purpose user I/O (Bank 3) |
| Pino 125 | I/O — General-purpose user I/O (Bank 3) |
| Pino 126 | I/O — General-purpose user I/O (Bank 3) |
| Pino 127 | I/O — General-purpose user I/O (Bank 3) |
| Pino 128 | I/O — General-purpose user I/O (Bank 3) |
| Pino 129 | I/O — General-purpose user I/O (Bank 3) |
| Pino 130 | I/O — General-purpose user I/O (Bank 3) |
| Pino 131 | I/O — General-purpose user I/O (Bank 3) |
| Pino 132 | I/O — General-purpose user I/O (Bank 3) |
| Pino 133 | I/O — General-purpose user I/O (Bank 3) |
| Pino 134 | I/O — General-purpose user I/O (Bank 3) |
| Pino 135 | I/O — General-purpose user I/O (Bank 3) |
| Pino 136 | I/O — General-purpose user I/O (Bank 3) |
| Pino 137 | I/O — General-purpose user I/O (Bank 3) |
| Pino 138 | I/O — General-purpose user I/O (Bank 3) |
| Pino 139 | I/O — General-purpose user I/O (Bank 3) |
| Pino 140 | I/O — General-purpose user I/O (Bank 3) |
| Pino 141 | I/O — General-purpose user I/O (Bank 3) |
| Pino 142 | I/O — General-purpose user I/O (Bank 3) |
| Pino 143 | I/O — General-purpose user I/O (Bank 3) |
| Pino 144 | I/O — General-purpose user I/O (Bank 3) |
| Pino 145 | I/O — General-purpose user I/O (Bank 3) |
| Pino 146 | I/O — General-purpose user I/O (Bank 3) |
| Pino 147 | I/O — General-purpose user I/O (Bank 3) |
| Pino 148 | I/O — General-purpose user I/O (Bank 3) |
| Pino 149 | I/O — General-purpose user I/O (Bank 3) |
| Pino 150 | I/O — General-purpose user I/O (Bank 3) |
| Pino 151 | I/O — General-purpose user I/O (Bank 3) |
| Pino 152 | I/O — General-purpose user I/O (Bank 3) |
| Pino 153 | I/O — General-purpose user I/O (Bank 3) |
| Pino 154 | I/O — General-purpose user I/O (Bank 3) |
| Pino 155 | I/O — General-purpose user I/O (Bank 3) |
| Pino 156 | I/O — General-purpose user I/O (Bank 3) |
| Pino 157 | VCCINT — 2.5 V core power supply |
| Pino 158 | GND — Ground |
| Pino 159 | I/O — General-purpose user I/O (Bank 4) |
| Pino 160 | I/O — General-purpose user I/O (Bank 4) |
| Pino 161 | I/O — General-purpose user I/O (Bank 4) |
| Pino 162 | I/O — General-purpose user I/O (Bank 4) |
| Pino 163 | I/O — General-purpose user I/O (Bank 4) |
| Pino 164 | I/O — General-purpose user I/O (Bank 4) |
| Pino 165 | I/O — General-purpose user I/O (Bank 4) |
| Pino 166 | I/O — General-purpose user I/O (Bank 4) |
| Pino 167 | I/O — General-purpose user I/O (Bank 4) |
| Pino 168 | I/O — General-purpose user I/O (Bank 4) |
| Pino 169 | I/O — General-purpose user I/O (Bank 4) |
| Pino 170 | I/O — General-purpose user I/O (Bank 4) |
| Pino 171 | I/O — General-purpose user I/O (Bank 4) |
| Pino 172 | I/O — General-purpose user I/O (Bank 4) |
| Pino 173 | I/O — General-purpose user I/O (Bank 4) |
| Pino 174 | I/O — General-purpose user I/O (Bank 4) |
| Pino 175 | I/O — General-purpose user I/O (Bank 4) |
| Pino 176 | I/O — General-purpose user I/O (Bank 4) |
| Pino 177 | I/O — General-purpose user I/O (Bank 4) |
| Pino 178 | I/O — General-purpose user I/O (Bank 4) |
| Pino 179 | I/O — General-purpose user I/O (Bank 4) |
| Pino 180 | I/O — General-purpose user I/O (Bank 4) |
| Pino 181 | I/O — General-purpose user I/O (Bank 4) |
| Pino 182 | I/O — General-purpose user I/O (Bank 4) |
| Pino 183 | I/O — General-purpose user I/O (Bank 4) |
| Pino 184 | I/O — General-purpose user I/O (Bank 4) |
| Pino 185 | I/O — General-purpose user I/O (Bank 4) |
| Pino 186 | I/O — General-purpose user I/O (Bank 4) |
| Pino 187 | I/O — General-purpose user I/O (Bank 4) |
| Pino 188 | I/O — General-purpose user I/O (Bank 4) |
| Pino 189 | I/O — General-purpose user I/O (Bank 4) |
| Pino 190 | I/O — General-purpose user I/O (Bank 4) |
| Pino 191 | I/O — General-purpose user I/O (Bank 4) |
| Pino 192 | I/O — General-purpose user I/O (Bank 4) |
| Pino 193 | I/O — General-purpose user I/O (Bank 4) |
| Pino 194 | I/O — General-purpose user I/O (Bank 4) |
| Pino 195 | I/O — General-purpose user I/O (Bank 4) |
| Pino 196 | I/O — General-purpose user I/O (Bank 4) |
| Pino 197 | I/O — General-purpose user I/O (Bank 4) |
| Pino 198 | I/O — General-purpose user I/O (Bank 4) |
| Pino 199 | I/O — General-purpose user I/O (Bank 4) |
| Pino 200 | I/O — General-purpose user I/O (Bank 4) |
| Pino 201 | I/O — General-purpose user I/O (Bank 4) |
| Pino 202 | I/O — General-purpose user I/O (Bank 4) |
| Pino 203 | I/O — General-purpose user I/O (Bank 4) |
| Pino 204 | I/O — General-purpose user I/O (Bank 4) |
| Pino 205 | TDI — JTAG test data input |
| Pino 206 | TMS — JTAG test mode select |
| Pino 207 | TCK — JTAG test clock |
| Pino 208 | TDO — JTAG test data output |
Aplicações típicas
EPM7512BQC208-5 é adequado para 6 aplicaçãos: PCI/ISA Bus Glue Logic, DSP and Microcontroller Interface Logic, Industrial Control State Machines, Memory Controller and Address Decoding, Telecom and Networking Line Cards, Legacy Board Sustainment and Repair.
PCI/ISA Bus Glue Logic
The EPM7512BQC208-5 fits PCI and ISA bus glue logic because its 5 ns pin-to-pin delay and 163.9 MHz internal frequency provide deterministic, single-cycle address decoding and handshake generation without the routing-dependent timing of an FPGA. With 176 user I/O and 512 macrocells, it can absorb bus transceivers, wait-state generators, and chip-select decoders in one device. The EEPROM configuration means the logic is live within microseconds of power-up, satisfying PCI's requirement that configuration logic be ready before the host releases reset. A typical implementation places the CPLD between the host bridge and peripheral devices, decoding address and command lines and driving chip selects; the trade-off is that the 2.5 V core requires level-compatible I/O planning for 3.3 V or 5 V bus signals.
Recomendado
DSP and Microcontroller Interface Logic
The EPM7512BQC208-5 is well suited to interfacing DSPs and microcontrollers to peripherals because its 512 macrocells can implement address decoding, wait-state generation, FIFO control, and interrupt aggregation while its 5 ns tPD keeps interface timing predictable. The 176 user I/O pins allow wide data and address buses to be routed directly, and the non-volatile EEPROM configuration removes the boot-time dependency that an SRAM-based FPGA would impose on the host processor. In a typical design the CPLD sits between a DSP's external memory interface and devices such as ADCs, DACs, or dual-port RAM, translating bus protocols and generating control strobes. The main trade-off is static power: the MAX 7000B architecture draws more quiescent current than modern MAX V or MAX 10 devices, which matters in always-on systems.
Recomendado
Industrial Control State Machines
The EPM7512BQC208-5 suits industrial control state machines because its 512 macrocells and 16 logic array blocks can implement multiple concurrent state machines with deterministic 5 ns response, and its EEPROM configuration survives power cycling without a battery or boot PROM. In factory automation equipment, the CPLD typically sequences actuators, debounces sensor inputs, and enforces safety interlocks, where a missed or jittery transition can cause mechanical damage. The 176 I/O pins allow direct connection to opto-isolated inputs and relay drivers, and the 0C to 70C commercial temperature range is adequate for cabinet-mounted controllers. The trade-off is that the commercial grade is not rated for the -40C to +85C industrial range, so designs exposed to wide ambient swings should use an industrial-grade MAX 7000B variant instead.
Recomendado
Memory Controller and Address Decoding
The EPM7512BQC208-5 is used for memory controller and address-decoding logic because its 5 ns propagation delay allows chip-select and RAS/CAS generation to meet tight DRAM and SRAM timing windows, while 512 macrocells can hold refresh counters, wait-state logic, and bank decoders simultaneously. The 176 user I/O pins accommodate wide address and data buses, and the EEPROM configuration ensures the controller is active immediately at power-up, before the processor begins its first memory fetch. In a typical board the CPLD decodes the processor address bus into bank selects and generates the memory control strobes, replacing several discrete 74-series devices. The trade-off is that the 2.5 V core limits direct interfacing to 5 V memory buses, so level shifters or series resistors may be required.
Recomendado
Telecom and Networking Line Cards
The EPM7512BQC208-5 fits telecom and networking line cards because its 163.9 MHz internal frequency and 5 ns tPD support the handshake, framing, and backplane-interface logic used in T1/E1 and early Ethernet line cards, while 512 macrocells absorb glue logic that would otherwise require several discrete devices. The 176 user I/O pins allow direct connection to backplane connectors and PHY devices, and the non-volatile EEPROM configuration means the card's logic is ready immediately after hot-swap power-up, avoiding the configuration delay of an SRAM FPGA. In a typical design the CPLD implements the local bus interface, interrupt aggregation, and LED/status logic. The trade-off is that the MAX 7000B family is obsolete, so new line-card designs should migrate to an active CPLD or small FPGA family.
Recomendado
Legacy Board Sustainment and Repair
The EPM7512BQC208-5 is widely used for legacy board sustainment because it is the original MAX 7000B device found on many 1990s and 2000s industrial, medical, and telecom boards, and replacement units must match the original 208-pin PQFP footprint and 2.5 V core exactly. When a board fails, the CPLD is often the only programmable device that cannot be substituted without a layout change, so sourcing genuine EPM7512BQC208-5 stock with valid date codes is critical. The EEPROM configuration also means a replacement device must be reprogrammed with the original JEDEC or POF file before installation. The trade-off is obsolescence risk: because the family is no longer produced, sustainment engineers should qualify the EPM7512BQC208-10 as a slower drop-in and stock both grades.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EPM7512BQC208-5 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EPM7512BQC208-10 | EPM7512BFC256-7 | EPM7512BFI256-7 | EPM7512AEQC208-7 |
|---|---|---|---|---|---|
| Package | 208-pin PQFP (28x28 mm) | 208-pin PQFP (28x28 mm) - same | 256-pin FineLine BGA | 256-pin FineLine BGA | 208-pin PQFP (28x28 mm) - same |
| Brand | Altera | Altera | Altera | Altera | Altera |
| Propagation Delay (tPD) | 5 ns | 10 ns | 7 ns | 7 ns | 7 ns |
| Internal Frequency | 163.9 MHz | 125 MHz (approx.) | 142.8 MHz (approx.) | 142.8 MHz (approx.) | 142.8 MHz (approx.) |
| Macrocells | 512 | 512 | 512 | 512 | 512 |
| User I/O Pins | 176 | 176 | 212 | 212 | 176 |
| Core Supply Voltage | 2.375 V to 2.625 V (2.5 V nominal) | 2.375 V to 2.625 V | 2.375 V to 2.625 V | 2.375 V to 2.625 V | 3.0 V to 3.6 V (3.3 V nominal) |
| Operating Temperature | 0C to 70C (commercial) | 0C to 70C (commercial) | 0C to 70C (commercial) | -40C to +85C (industrial) | 0C to 70C (commercial) |
| Configuration Memory | EEPROM (non-volatile) | EEPROM (non-volatile) | EEPROM (non-volatile) | EEPROM (non-volatile) | EEPROM (non-volatile) |
| JTAG Support | IEEE 1149.1 boundary-scan | IEEE 1149.1 boundary-scan | IEEE 1149.1 boundary-scan | IEEE 1149.1 boundary-scan | IEEE 1149.1 boundary-scan |
Principais diferenciais
- Fastest MAX 7000B speed grade (vs EPM7512BQC208-10)
- 208-pin PQFP footprint with 176 I/O (vs EPM7512BFC256-7)
- 2.5 V core for lower dynamic power (vs EPM7512AEQC208-7)
- Commercial temperature grade at lowest cost (vs EPM7512BFI256-7)
Notas de projeto
Decouple every VCCINT pin with a 0.1 uF ceramic capacitor placed within 5 mm of the pin, plus at least one 10 uF bulk capacitor per power plane region. The MAX 7000B core draws transient current during macrocell switching, and inadequate decoupling causes ground bounce that can corrupt EEPROM configuration during ISP. Estimated: at 163.9 MHz with 512 macrocells toggling, dynamic current can exceed 100 mA, so size the 2.5 V regulator for at least 300 mA with good transient response.
Route the JTAG signals (TCK, TMS, TDI, TDO) as short, controlled-impedance traces and keep TCK away from high-speed user I/O to avoid clock injection during in-system programming. Terminate TDO with a pull-up and TCK with a pull-down per the MAX 7000B programming guidelines. Place the JTAG header close to the device so the programming cable does not add excessive stub length, which can cause ISP failures on marginal setups.
Do not assume the EPM7512BQC208-5 is a drop-in for 5 V MAX 7000S designs: the 2.5 V core requires level-compatible I/O planning for 3.3 V or 5 V peripherals, and direct 5 V drive into I/O pins can exceed absolute maximum ratings. Also verify that the -5 speed grade timing is actually required; substituting the EPM7512BQC208-10 (10 ns) reduces cost and improves availability if the critical path has margin. Estimated: a 10 ns tPD adds 5 ns to each combinational path, which at 50 MHz consumes 25% of a 20 ns period.
Informações de conformidade
Compliance data was not present in the verified web data for this obsolete MAX 7000B device. RoHS, REACH, lead-free, and halogen-free status must be confirmed with the distributor or by date-code inspection before use in regulated markets.
