EPM7512BQC208-10 - 512-Macrocell MAX 7000B CPLD, 10ns, PQFP-208 | Altera (Intel)
MPN: EPM7512BQC208-10 ✗ סוף ייצורEPM7512BQC208-10 סקירה
What is a CPLD? A Complex Programmable Logic Device is a non-volatile programmable logic device that combines multiple PAL-like macrocell arrays with a central interconnect matrix. CPLDs sit between simple SPLDs and FPGAs in the programmable-logic hierarchy, providing fast, deterministic pin-to-pin timing (no boot time), instant-on operation, and EEPROM- or flash-based configuration that retains the bitstream across power cycles. The MAX 7000B family specifically is built on a 2.5 V CMOS EEPROM Multiple Array Matrix (MAX) architecture and was designed as a glue-logic replacement for multiple 74-series TTL parts.
Key features of the EPM7512BQC208-10 include 32 Logic Array Blocks (LABs) of 16 macrocells each, four pin-to-pin output enable signals, in-system programmability through a JTAG-compliant IEEE Std. 1149.1 interface, and a commercial operating temperature grade of 0 to +70 degrees C. The device operates from an internal 2.5 V core supply (2.375 V to 2.625 V) and is supported by the legacy Altera MAX+PLUS II and Quartus II design software.
Architecturally, the MAX 7000B device uses a second-generation MAX architecture with a programmable interconnect array (PIA) that routes signals between LABs. Each macrocell contains a programmable AND/OR array, a flip-flop, and configurable I/O architecture supporting JTAG boundary-scan testing, which simplifies board-level test in production. The -10 speed grade places this part at the slower end of the MAX 7000B range, trading off fmax for reduced cost and easier timing closure in glue-logic applications.
Typical applications include bus-interface bridging, address decoding, state-machine control, peripheral glue logic, industrial I/O expansion, and legacy 5 V/3.3 V system interfacing where the MAX 7000B I/O tolerance is required. The 176 user I/O count is generous for replacing many discrete 74LS/74HC packages with a single device.
When designing, note that the EPM7512BQC208-10 is part of the mature MAX 7000B line: many MAX 7000B variants are now NRND or EOL, so check the latest lifecycle status before committing to a new design. The 208-pin PQFP package requires careful PCB layout, with thermal and high-speed signal-integrity considerations; XAIPART can cross-reference compatible MAX 7000B speed grades (e.g., -7, -10, -12, -15) that share this PQFP-208 footprint.
This page synthesizes distributor stock data, parametric comparison with sibling MAX 7000B speed grades, and practical design considerations not aggregated in any single source.
חלופות תחליף ישיר עבור EPM7512BQC208-10 — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם EPM7512BQC208-10 (אותו גורם צורה וטביעת רגל) — שונים ב Operating Temperature, Programmable Type, Device Type, Package Code, Propagation Delay (tPD).
EPM7512BQC208-7
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EPM7512BQC208-6
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
EPM7512BQC208-5
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EPM7512BQC208-12
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
EPM7512BQC208-15
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
EPM7512BQC208-10 דירוגים מרביים ומאפיינים חשמליים
| Family | MAX 7000B |
| Series | MAX 7000B |
| Macrocells | 512 |
| Logic Elements / Blocks | 32 LABs (16 macrocells per LAB) |
| Usable Gates | 10,000 |
| User I/Os | 176 |
| Propagation Delay (tpd) | 10 ns (max, pin-to-pin) |
| Programmable Type | In-System Programmable (EEPROM) |
| Internal Supply Voltage | 2.375 V to 2.625 V (nominal 2.5 V) |
| טמפרטורת פעולה | 0 C to +70 C (commercial) |
| מארז / Case | 208-pin PQFP (28x28 mm), S-PQFP-G208 |
| סוג הרכבה | Surface Mount |
| Architecture | CMOS, Multiple Array Matrix (MAX) second-generation |
| JTAG / Boundary Scan | IEEE Std 1149.1 compliant |
| סטטוס RoHS | unknown |
תצורת פינים של EPM7512BQC208-10
| פין 1 | I/O — User I/O pin (function depends on user design) |
| פין 2 | I/O — User I/O pin |
| פין 3 | I/O — User I/O pin |
| פין 4 | I/O — User I/O pin |
| פין 5 | I/O — User I/O pin |
| פין 6 | I/O — User I/O pin |
| פין 7 | I/O — User I/O pin |
| פין 8 | I/O — User I/O pin |
| פין 9 | I/O — User I/O pin |
| פין 10 | I/O — User I/O pin |
| פין 11 | I/O — User I/O pin |
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| פין 29 | I/O — User I/O pin |
| פין 30 | I/O — User I/O pin |
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| פין 47 | I/O — User I/O pin |
| פין 48 | I/O — User I/O pin |
| פין 49 | I/O — User I/O pin |
| פין 50 | I/O — User I/O pin |
| פין 51 | I/O — User I/O pin |
| פין 52 | I/O — User I/O pin |
| פין 53 | TDI — JTAG Test Data In (IEEE 1149.1) |
| פין 54 | TMS — JTAG Test Mode Select |
| פין 55 | TCK — JTAG Test Clock |
| פין 56 | I/O — User I/O pin |
| פין 57 | I/O — User I/O pin |
| פין 58 | I/O — User I/O pin |
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| פין 74 | I/O — User I/O pin |
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| פין 102 | I/O — User I/O pin |
| פין 103 | I/O — User I/O pin |
| פין 104 | I/O — User I/O pin |
| פין 105 | TDO — JTAG Test Data Out |
| פין 106 | I/O — User I/O pin |
| פין 107 | I/O — User I/O pin |
| פין 108 | I/O — User I/O pin |
| פין 109 | I/O — User I/O pin |
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| פין 155 | I/O — User I/O pin |
| פין 156 | I/O — User I/O pin |
| פין 157 | GND — Ground |
| פין 158 | I/O — User I/O pin |
| פין 159 | I/O — User I/O pin |
| פין 160 | I/O — User I/O pin |
| פין 161 | I/O — User I/O pin |
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| פין 163 | I/O — User I/O pin |
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| פין 176 | I/O — User I/O pin |
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| פין 189 | I/O — User I/O pin |
| פין 190 | I/O — User I/O pin |
| פין 191 | I/O — User I/O pin |
| פין 192 | I/O — User I/O pin |
| פין 193 | I/O — User I/O pin |
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| פין 195 | I/O — User I/O pin |
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| פין 197 | I/O — User I/O pin |
| פין 198 | I/O — User I/O pin |
| פין 199 | I/O — User I/O pin |
| פין 200 | I/O — User I/O pin |
| פין 201 | I/O — User I/O pin |
| פין 202 | I/O — User I/O pin |
| פין 203 | I/O — User I/O pin |
| פין 204 | I/O — User I/O pin |
| פין 205 | I/O — User I/O pin |
| פין 206 | I/O — User I/O pin |
| פין 207 | I/O — User I/O pin |
| פין 208 | VCC — Core supply (2.5 V nominal) |
יישומים טיפוסיים
EPM7512BQC208-10 מתאים עבור 6 יישוםs: Address Decoding and Bus Bridging, State Machine and Control Logic, Industrial Control and I/O Expansion, Legacy Peripheral Glue Logic, Telecommunications Backplane Bridging, Test and Measurement Equipment Front-End.
Address Decoding and Bus Bridging
The EPM7512BQC208-10 is widely used in microprocessor-based systems for address decoding, chip-select generation, and bus-bridging between asynchronous bus domains. The 10 ns pin-to-pin delay is well within the address-to-CS timing budget of most 33-50 MHz microcontrollers and embedded MPUs. With 176 user I/Os and 512 macrocells, a single EPM7512B can replace dozens of 74LS138/139/32 decoders and '245 transceivers, simplifying PCB layout and reducing BOM cost. The in-system programmability allows last-minute address map changes without board rework.
מומלץ
State Machine and Control Logic
The 512 macrocells and 32 LABs of the EPM7512BQC208-10 provide ample capacity for implementing complex multi-state control machines, sequencers, and protocol controllers. Each macrocell contains a flip-flop and configurable AND/OR array, making it efficient for Moore and Mealy state machines with up to 50-60 states. The deterministic 10 ns timing makes timing closure predictable for safety-critical industrial control applications, and the EEPROM-based configuration retains state-machine definition across power cycles without boot time.
מומלץ
Industrial Control and I/O Expansion
The commercial 0 to +70 C temperature grade and 176 user I/Os make the EPM7512BQC208-10 suitable for industrial controller backplanes, PLC I/O expansion cards, and motor-control interfaces. The 2.5 V internal core combined with 5 V-tolerant I/O cells allows direct interfacing to legacy 5 V logic and 3.3 V peripherals. JTAG boundary-scan support simplifies board-level test in production, and the PQFP-208 footprint is widely accepted by industrial assembly houses with established surface-mount lines.
מומלץ
Legacy Peripheral Glue Logic
Many legacy embedded designs still require the EPM7512BQC208-10 to integrate asynchronous peripherals such as UARTs, parallel ports, SCSI controllers, and IDE interfaces. The fast 10 ns tpd and abundant I/O allow timing-critical handshake signal generation without resorting to discrete 74FCT or 74AVC logic. The in-system programming feature means firmware teams can iterate on glue-logic fixes without respinning the PCB - a major advantage over traditional TTL PAL/GAL designs.
מומלץ
Telecommunications Backplane Bridging
In telecom backplanes, the EPM7512BQC208-10 serves as a low-latency protocol bridge between legacy TDM buses and modern packet interfaces. The deterministic 10 ns timing ensures that timing-critical TDM frame pulses and clock-domain crossings meet jitter requirements. With 176 user I/Os, a single part can interface to multiple line-card slots, eliminating a fanout tree of buffers. The 208-pin PQFP package is well-suited to through-hole backplane daughter-card assemblies.
מומלץ
Test and Measurement Equipment Front-End
The EPM7512BQC208-10's deterministic timing and abundant I/O make it a useful front-end controller for legacy test and measurement equipment such as benchtop oscilloscopes, logic analyzers, and ATE fixtures. It can implement custom timing generators, scan-chain controllers, and front-panel I/O expanders while maintaining repeatable 10 ns timing margins. JTAG boundary scan allows production-board self-test, reducing fixture complexity in mixed-signal ATE systems.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור EPM7512BQC208-10 — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | EPM7512BQC208-7 | EPM7512BQC208-6 | EPM7512BQC208-5 | EPM7512BQC208-12 | EPM7512BQC208-15 |
|---|---|---|---|---|---|---|
| Package | PQFP-208 (28x28 mm) | PQFP-208 (same) | PQFP-208 (same) | PQFP-208 (same) | PQFP-208 (same) | PQFP-208 (same) |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Macrocells | 512 | 512 | 512 | 512 | 512 | 512 |
| User I/Os | 176 | 176 | 176 | 176 | 176 | 176 |
| Propagation Delay (tpd) | 10 ns | 7 ns | 6 ns | 5 ns | 12 ns | 15 ns |
| Internal Supply Voltage | 2.5 V (2.375-2.625 V) | 2.5 V (same) | 2.5 V (same) | 2.5 V (same) | 2.5 V (same) | 2.5 V (same) |
| Operating Temperature | 0 to +70 C (commercial) | 0 to +70 C (same) | 0 to +70 C (same) | 0 to +70 C (same) | 0 to +70 C (same) | 0 to +70 C (same) |
| Usable Gates | 10,000 | 10,000 | 10,000 | 10,000 | 10,000 | 10,000 |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND |
מבדילים עיקריים
- 10 ns speed grade offers best cost/timing balance for general-purpose glue logic (לעומתEPM7512BQC208-7)
- 208-pin PQFP footprint is the highest-pin-count package in the MAX 7000B family (לעומתEPM7512BFC256-7 (BGA-256))
- 512 macrocells in MAX 7000B series is the highest density (לעומתEPM7256SQC208-10 (256 macrocells))
הערות תכנון
The 208-pin PQFP package (0.5 mm pitch, 28x28 mm body) demands a 4-layer PCB minimum with continuous VCC and GND planes under the device to provide low-impedance power delivery to all 176 user I/Os. Route high-speed signals (e.g., clock, JTAG) on inner layers with reference to ground, and keep I/O traces short to minimize crosstalk. Estimated: with 4-layer stack-up and 1 oz copper, expect approximately 0.5-1.0 C/W thermal resistance improvement over a 2-layer board.
Although the EPM7512BQC208-10 has a 10 ns tpd, simultaneous-switching outputs (SSO) can cause ground bounce on heavily-loaded output banks. Distribute switching outputs across multiple I/O banks, and add 22-33 ohm series-termination resistors on outputs driving more than 2 inches of trace or more than 2-3 loads. JTAG signals (TCK, TMS, TDI, TDO) should be kept short and guarded to ground for reliable boundary-scan operation at 10-20 MHz TCK frequencies.
Critical: do not confuse the EPM7512BQC208-10 (MAX 7000B, 2.5 V core) with the older EPM7512AQC208-10 (MAX 7000A, 3.3 V core) - the VCCINT supply differs (2.5 V vs 3.3 V) and the parts are NOT drop-in compatible at the supply level. Also note that the part is NRND with the original Altera supply chain now served by Rochester Electronics; for new designs, consider the Intel MAX II (EPM240/EPM570/EPM1270) or MAX V (5M40ZE64/5M80ZE64) families. Verify the JTAG IDCODE in your programming chain to detect mis-programming attempts.
The PQFP-208 package has a junction-to-ambient thermal resistance (theta_JA) of approximately 30-35 C/W on a standard 4-layer JEDEC test board. The CMOS MAX 7000B core draws only a few hundred milliamps, so self-heating is modest (typically <0.5 W). Estimated: at 70 C ambient, junction temperature stays below 90 C under normal conditions, well within the commercial 0-70 C operating range. For enclosed industrial enclosures, verify airflow keeps ambient below 60 C.
מידע על תאימות
Compliance data not available from the verified sources. Original Altera datasheets from 1998-2002 typically predate RoHS mandate; parts produced after 2006 may have lead-free/RoHS variants. Check the specific shipment lot or request compliance documentation from Rochester Electronics for the franchised inventory.
