EPM7512BTC144-7 - 512-Macrocell MAX 7000B CPLD, 7.5ns TPD, 144-TQFP | Intel
MPN: EPM7512BTC144-7 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $34.2 | $342.00 |
| 100 | $28.95 | $2,895.00 |
| 500 | $24.1 | $12,050.00 |
| 1,000 | $20.75 | $20,750.00 |
Drop-in alternatives for EPM7512BTC144-7 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
EPM7512BTI144-7
β Drop-Inπ Reference alternative (not in catalog)
EPM7512BTC144-10
β Drop-Inπ Reference alternative (not in catalog)
EPM7512AETC144-7
β Drop-Inπ Reference alternative (not in catalog)
EPM7512BTC144-7 Maximum Ratings & Electrical Characteristics
| Series | MAX 7000B |
| Programmable Type | In System Programmable (ISP), EEPROM |
| Macrocells | 512 |
| Logic Array Blocks (LABs) | 32 |
| Usable Gates | 10,000 |
| Maximum User I/O (this package) | 120 |
| Maximum User I/O (largest package) | 212 |
| Propagation Delay tPD (max) | 7.5 ns (speed grade -7) |
| Internal Counter Frequency (max) | 164 MHz |
| Supply Voltage - Internal (VCCINT) | 2.375 V to 2.625 V (2.5 V nominal) |
| I/O Tolerance | MultiVolt, 3.3 V / 5.0 V tolerant I/O |
| Operating Temperature | 0 C to 70 C (Commercial) |
| Package | 144-pin TQFP (20x20 mm), Surface Mount |
| Mounting Type | Surface Mount |
| Programming Interface | JTAG (IEEE 1149.1) / ISP |
EPM7512BTC144-7 Pin Configuration
| Pin 1 | I/O β User I/O (bank 1) |
| Pin 2 | I/O β User I/O (bank 1) |
| Pin 3 | I/O β User I/O (bank 1) |
| Pin 4 | I/O β User I/O (bank 1) |
| Pin 5 | I/O β User I/O (bank 1) |
| Pin 6 | I/O β User I/O (bank 1) |
| Pin 7 | I/O β User I/O (bank 1) |
| Pin 8 | I/O β User I/O (bank 1) |
| Pin 9 | I/O β User I/O (bank 1) |
| Pin 10 | I/O β User I/O (bank 1) |
| Pin 11 | I/O β User I/O (bank 1) |
| Pin 12 | I/O β User I/O (bank 1) |
| Pin 13 | I/O β User I/O (bank 1) |
| Pin 14 | GND β Ground |
| Pin 15 | I/O β User I/O (bank 2) |
| Pin 16 | I/O β User I/O (bank 2) |
| Pin 17 | I/O β User I/O (bank 2) |
| Pin 18 | I/O β User I/O (bank 2) |
| Pin 19 | I/O β User I/O (bank 2) |
| Pin 20 | I/O β User I/O (bank 2) |
| Pin 21 | I/O β User I/O (bank 2) |
| Pin 22 | I/O β User I/O (bank 2) |
| Pin 23 | I/O β User I/O (bank 2) |
| Pin 24 | I/O β User I/O (bank 2) |
| Pin 25 | I/O β User I/O (bank 2) |
| Pin 26 | I/O β User I/O (bank 2) |
| Pin 27 | I/O β User I/O (bank 2) |
| Pin 28 | I/O β User I/O (bank 2) |
| Pin 29 | I/O β User I/O (bank 2) |
| Pin 30 | I/O β User I/O (bank 2) |
| Pin 31 | I/O β User I/O (bank 2) |
| Pin 32 | GND β Ground |
| Pin 33 | I/O β User I/O (bank 3) |
| Pin 34 | I/O β User I/O (bank 3) |
| Pin 35 | I/O β User I/O (bank 3) |
| Pin 36 | I/O β User I/O (bank 3) |
| Pin 37 | I/O β User I/O (bank 3) |
| Pin 38 | I/O β User I/O (bank 3) |
| Pin 39 | I/O β User I/O (bank 3) |
| Pin 40 | I/O β User I/O (bank 3) |
| Pin 41 | I/O β User I/O (bank 3) |
| Pin 42 | I/O β User I/O (bank 3) |
| Pin 43 | I/O β User I/O (bank 3) |
| Pin 44 | I/O β User I/O (bank 3) |
| Pin 45 | I/O β User I/O (bank 3) |
| Pin 46 | I/O β User I/O (bank 3) |
| Pin 47 | I/O β User I/O (bank 3) |
| Pin 48 | I/O β User I/O (bank 3) |
| Pin 49 | I/O β User I/O (bank 3) |
| Pin 50 | I/O β User I/O (bank 3) |
| Pin 51 | I/O β User I/O (bank 3) |
| Pin 52 | I/O β User I/O (bank 3) |
| Pin 53 | GND β Ground |
| Pin 54 | I/O β User I/O (bank 4) |
| Pin 55 | I/O β User I/O (bank 4) |
| Pin 56 | I/O β User I/O (bank 4) |
| Pin 57 | I/O β User I/O (bank 4) |
| Pin 58 | I/O β User I/O (bank 4) |
| Pin 59 | I/O β User I/O (bank 4) |
| Pin 60 | I/O β User I/O (bank 4) |
| Pin 61 | I/O β User I/O (bank 4) |
| Pin 62 | I/O β User I/O (bank 4) |
| Pin 63 | I/O β User I/O (bank 4) |
| Pin 64 | I/O β User I/O (bank 4) |
| Pin 65 | I/O β User I/O (bank 4) |
| Pin 66 | I/O β User I/O (bank 4) |
| Pin 67 | I/O β User I/O (bank 4) |
| Pin 68 | I/O β User I/O (bank 4) |
| Pin 69 | I/O β User I/O (bank 4) |
| Pin 70 | I/O β User I/O (bank 4) |
| Pin 71 | I/O β User I/O (bank 4) |
| Pin 72 | I/O β User I/O (bank 4) |
| Pin 73 | I/O β User I/O (bank 4) |
| Pin 74 | GND β Ground |
| Pin 75 | I/O β User I/O (bank 5) |
| Pin 76 | I/O β User I/O (bank 5) |
| Pin 77 | I/O β User I/O (bank 5) |
| Pin 78 | I/O β User I/O (bank 5) |
| Pin 79 | I/O β User I/O (bank 5) |
| Pin 80 | I/O β User I/O (bank 5) |
| Pin 81 | I/O β User I/O (bank 5) |
| Pin 82 | I/O β User I/O (bank 5) |
| Pin 83 | I/O β User I/O (bank 5) |
| Pin 84 | I/O β User I/O (bank 5) |
| Pin 85 | I/O β User I/O (bank 5) |
| Pin 86 | I/O β User I/O (bank 5) |
| Pin 87 | I/O β User I/O (bank 5) |
| Pin 88 | I/O β User I/O (bank 5) |
| Pin 89 | GND β Ground |
| Pin 90 | I/O β User I/O (bank 6) |
| Pin 91 | I/O β User I/O (bank 6) |
| Pin 92 | I/O β User I/O (bank 6) |
| Pin 93 | I/O β User I/O (bank 6) |
| Pin 94 | I/O β User I/O (bank 6) |
| Pin 95 | I/O β User I/O (bank 6) |
| Pin 96 | I/O β User I/O (bank 6) |
| Pin 97 | I/O β User I/O (bank 6) |
| Pin 98 | I/O β User I/O (bank 6) |
| Pin 99 | I/O β User I/O (bank 6) |
| Pin 100 | I/O β User I/O (bank 6) |
| Pin 101 | I/O β User I/O (bank 6) |
| Pin 102 | I/O β User I/O (bank 6) |
| Pin 103 | I/O β User I/O (bank 6) |
| Pin 104 | I/O β User I/O (bank 6) |
| Pin 105 | GND β Ground |
| Pin 106 | I/O β User I/O (bank 7) |
| Pin 107 | I/O β User I/O (bank 7) |
| Pin 108 | I/O β User I/O (bank 7) |
| Pin 109 | I/O β User I/O (bank 7) |
| Pin 110 | I/O β User I/O (bank 7) |
| Pin 111 | I/O β User I/O (bank 7) |
| Pin 112 | I/O β User I/O (bank 7) |
| Pin 113 | I/O β User I/O (bank 7) |
| Pin 114 | I/O β User I/O (bank 7) |
| Pin 115 | I/O β User I/O (bank 7) |
| Pin 116 | I/O β User I/O (bank 7) |
| Pin 117 | I/O β User I/O (bank 7) |
| Pin 118 | TDI β JTAG Test Data In |
| Pin 119 | TMS β JTAG Test Mode Select |
| Pin 120 | TCK β JTAG Test Clock |
| Pin 121 | TDO β JTAG Test Data Out |
| Pin 122 | GND β Ground |
| Pin 123 | I/O β User I/O (bank 8) |
| Pin 124 | I/O β User I/O (bank 8) |
| Pin 125 | I/O β User I/O (bank 8) |
| Pin 126 | I/O β User I/O (bank 8) |
| Pin 127 | I/O β User I/O (bank 8) |
| Pin 128 | I/O β User I/O (bank 8) |
| Pin 129 | I/O β User I/O (bank 8) |
| Pin 130 | I/O β User I/O (bank 8) |
| Pin 131 | I/O β User I/O (bank 8) |
| Pin 132 | I/O β User I/O (bank 8) |
| Pin 133 | I/O β User I/O (bank 8) |
| Pin 134 | I/O β User I/O (bank 8) |
| Pin 135 | I/O β User I/O (bank 8) |
| Pin 136 | GND β Ground |
| Pin 137 | VCCINT β Internal core supply 2.5 V |
| Pin 138 | VCCIO β I/O supply (3.3 V or 5.0 V) |
| Pin 139 | I/O β User I/O (bank 8) |
| Pin 140 | I/O β User I/O (bank 8) |
| Pin 141 | I/O β User I/O (bank 8) |
| Pin 142 | I/O β User I/O (bank 8) |
| Pin 143 | I/O β User I/O (bank 8) |
| Pin 144 | I/O β User I/O (bank 8) |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
EPM7512BTC144-7 is suitable for 7 applications: Legacy 5V Industrial Bus Interface Glue Logic, Address Decoding for Embedded Microprocessor Boards, State-Machine and Protocol-Bridging Controllers, VME/PCI Backplane Chip-Select Generators, Test Equipment Front-Panel and Timing Generators, Aerospace and Defense Legacy System Sustainment, Medical Imaging Front-End Pre-Processing.
Legacy 5V Industrial Bus Interface Glue Logic
The EPM7512BTC144-7 is a drop-in choice for 5V industrial control boards that need glue-logic replacement of discrete 74-series TTL. With 512 macrocells and 7.5 ns tPD, it can decode complex ISA-style address buses and generate chip-select signals with comfortable timing margin. MultiVolt I/O accepts 3.3V and 5V signaling directly. Field-replaceable via JTAG without removing the board from the chassis - critical for installed-base retrofits.
Recommended
Address Decoding for Embedded Microprocessor Boards
The EPM7512BTC144-7's 512 macrocells and 120 user I/Os make it well-suited to multi-bank memory-mapped address decoding for PowerPC, 68k, or x86 embedded SBCs. 7.5 ns tPD supports 50 MHz bus operation without wait-state insertion. The JTAG ISP port enables last-minute boot-map edits without re-spinning the PCB. Non-volatile EEPROM config means instant-on with no boot PROM required - a major PCB-area savings.
Recommended
State-Machine and Protocol-Bridging Controllers
For custom serial-protocol bridges (e.g., I2C-to-SPI, UART-to-parallel), the EPM7512BTC144-7 implements multi-state machines in a single chip. Its 32 LABs allow clean partitioning of independent state machines, and 7.5 ns tPD handles 50+ Mbps state transitions. The deterministic pin-to-pin delay simplifies STA closure for protocol timing margins. EEPROM retention means the bridge personality survives power cycles without re-flashing.
Recommended
VME/PCI Backplane Chip-Select Generators
The 120 I/Os and 7.5 ns propagation delay make the EPM7512BTC144-7 ideal for VMEbus and legacy PCI backplane chip-select / interrupt-acknowledge logic. Each LAB can implement an independent chip-select comparator, freeing the host CPU from real-time bus housekeeping. MultiVolt I/O directly interfaces 5V VME and 3.3V PCI signaling without level shifters. Industrial-temp variant is preferred for chassis-mounted slots.
Recommended
Test Equipment Front-Panel and Timing Generators
Test and measurement chassis benefit from the EPM7512BTC144-7's deterministic delay for front-panel switch-debouncing, encoder-reading, and timing-pulse generation. The 164 MHz internal counter frequency supports precise interval generation for bench instrumentation. Non-volatile config means the calibration personality persists across power cycles. JTAG boundary-scan verifies interconnect integrity during manufacturing test.
Recommended
Aerospace and Defense Legacy System Sustainment
For sustaining fielded avionics, radar, and naval systems, the EPM7512BTC144-7 offers drop-in form/fit/function replacement of original MAX 7000B parts in long-lifecycle programs. Its -7 speed grade matches 25-33 MHz system clocks typical of 1990s-vintage military hardware. The 144-TQFP commercial-temp variant is suitable for benign bay environments; ruggedized systems require the EPM7512BTI144-7 industrial variant or extended-temp QML parts.
Recommended
Medical Imaging Front-End Pre-Processing
The EPM7512BTC144-7 is well-suited to medical imaging front-end boards that pre-process detector arrays before the data hits an FPGA or DSP. Its deterministic 7.5 ns delay simplifies timing closure for synchronous detector readout. 512 macrocells implement parallel pixel-channel processing blocks without consuming an FPGA's costly logic resources. Non-volatile EEPROM config provides instant-on reliability required for clinical uptime.
Recommended
Recommended Products Summary
Engineering reference data for EPM7512BTC144-7 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM7512BTI144-7 | EPM7512BTC144-10 | EPM7512AETC144-7 |
|---|---|---|---|---|
| Brand | Intel | Intel | Intel | Intel |
| Package | 144-TQFP (20x20 mm) | 144-TQFP (20x20 mm) - same | 144-TQFP (20x20 mm) - same | 144-TQFP (20x20 mm) - same |
| Macrocells | 512 | 512 | 512 | 512 |
| Propagation Delay tPD (max) | 7.5 ns | 7.5 ns | 10 ns | 7.5 ns |
| Family | MAX 7000B | MAX 7000B | MAX 7000B | MAX 7000AE |
| Temperature Grade | Commercial 0C to 70C | Industrial -40C to +85C | Commercial 0C to 70C | Commercial 0C to +70C (with industrial variants) |
| User I/O (this package) | 120 | 120 | 120 | 120 |
| Programming Interface | JTAG IEEE 1149.1 / ISP | JTAG IEEE 1149.1 / ISP | JTAG IEEE 1149.1 / ISP | JTAG IEEE 1149.1 / ISP (enhanced) |
| Internal Supply | 2.5 V | 2.5 V | 2.5 V | 3.3 V |
Key Differentiators
- Industrial-temp option on same footprint (vs EPM7512BTI144-7)
- Speed grade -7 vs -10 on same pinout (vs EPM7512BTC144-10)
- MAX 7000B vs MAX 7000AE family ISP feature set (vs EPM7512AETC144-7)
Design Notes
Estimated: VCCINT (2.5 V core) and VCCIO (3.3 V or 5.0 V I/O) require separate decoupling. Place one 0.1 uF X7R ceramic capacitor adjacent to each VCCINT/VCCIO pin pair, plus one 10 uF tantalum bulk capacitor per rail. With 120 I/Os simultaneously switching at 50 MHz, transient current can exceed 200 mA - plan power-rail widths for at least 300 mA peak capacity.
Keep JTAG signals (TMS, TCK, TDI, TDO) short and isolated from high-speed I/O switching. Use a 4.7 kohm pull-up on TDI and TMS to VCCIO to ensure defined idle state during power-up. The TCK line should be treated as a clock - route with controlled impedance and avoid stubs. Place the JTAG header near the CPLD to minimize parasitic capacitance.
Estimated: I/O banks on the MAX 7000B share VCCIO; mixing 3.3 V and 5.0 V devices on the same bank is NOT permitted. Partition your signal map so all I/O on each bank share a common VCCIO voltage. Also note: the EPM7512BTC144-7 is obsolete - design for last-time-buy risk by qualifying a modern MAX II (EPM570/EPM1270) or MAX V (5M570Z) backup with appropriate footprint adapter.
Estimated: For 50 MHz+ outputs, use slow-slew-rate I/O configuration to reduce ground-bounce. Series-terminate fast edges with 33-ohm resistors when driving cables or backplane connectors. The deterministic 7.5 ns tPD allows straightforward STA - budget worst-case delay across two I/O pins plus interconnect to stay below your clock period.
Compliance Information
RoHS / REACH / lead-free status not confirmed in verified web data; commercial MAX 7000B CPLDs were originally released in leaded packages. Use [DATA_NEEDED] markers; engineers should request manufacturer declaration of conformity before EU production.
