EP910LC-30Y - 24-Macrocell Classic EPLD, 30ns, PLCC-44 | Altera
MPN: EP910LC-30Y ✗ اختتامِ زندگیEP910LC-30Y جائزہ
A Classic EPLD (Erasable Programmable Logic Device) is a non-volatile programmable logic device that combines AND/OR array logic with user-configurable macrocells and output flip-flops. In the broader taxonomy, EPLDs sit between simple PAL/GAL SPLDs and larger CPLDs/FPGAs; they are typically used for glue logic, address decoding, bus interfacing, and state-machine replacement. The EP910LC family specifically targets designs that previously used multiple 20- and 24-pin PAL devices and consolidates them into a single UV-erasable CMOS part with 100% TTL emulation and counter frequencies as high as 100 MHz.
Key features include 24 macrocells (each with a programmable flip-flop and I/O architecture), a 30ns tPD (pin-to-pin delay) at the commercial temperature range, low CMOS standby current, and built-in JTAG/loopback test circuitry that allows verification of function and AC specifications during production flow. The PLCC-44 surface-mount package provides socket compatibility with production programmers and board-test fixtures, and the -LC process variant lowers active supply current compared with the standard EP910. The "Y" suffix indicates an extended-reliability processing flow, often required by defense, aerospace, and long-lifecycle industrial programs.
Architecturally, the EP910LC-30Y uses a sum-of-products PLA structure with a global interconnect and 24 shared expander terms, giving designers enough flexibility to replace several MSI/SSI logic packages with a single in-system programmable device. Programming is performed via standard Altera programming hardware with the MAX+PLUS II development environment, and the device is one-time-programmable (windowless OTP for production, but the UV-erasable ceramic versions allow design iteration).
Typical applications include legacy TTL/CMOS glue-logic consolidation in telecom backplanes, address decoding and wait-state generation in 8086/68k-based embedded systems, industrial PLC and process-control I/O expansion, military and avionics LRUs that need continued support of an Altera Classic part, and FPGA configuration or watchdog logic in mixed-technology boards. The Classic family was historically popular in 1990s-era designs that remain in service or in sustainment programs today.
When designing with this device, ensure the EP910LC-30Y is supplied with a stable 5V ±10% rail and that high-frequency output switching currents are decoupled locally. Designers migrating from older PAL/LSI parts should review the MAX+PLUS II fitter reports, because macrocell feedback paths and expander-term sharing affect achievable fMAX. The PLCC-44 socket footprint simplifies field replacement and programmer-based in-system reconfiguration.
کے لیے ڈراپ اِن متبادل EP910LC-30Y — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں EP910LC-30Y (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Mounting Type, Supply Voltage (VCC), Operating Temperature, Technology.
EP910LC-30
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EP910LC-30T
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EP910LC-25
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EP910JC-35
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EP910JC-30
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EP910IPC-25
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EP910LC-30Y زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Family | Altera Classic EPLD |
| Device Type | EPLD (Erasable Programmable Logic Device) |
| Macrocells | 24 |
| Usable Gates | 450 |
| Pin-to-Pin Delay (tPD) | 30 ns |
| Counter Frequency (fMAX) | 100 MHz (family maximum) |
| سپلائی وولٹیج | 5 V (TTL-compatible) |
| Process Technology | CMOS, UV-erasable / OTP |
| پیکیج | PLCC-44 |
| آپریٹنگ درجہ حرارت | Commercial 0C to +70C |
| Speed/Power Grade | LC (low-power, 30ns) |
| Processing Flow | Y (extended reliability) |
| Logic Compatibility | 100% TTL emulation |
| ماؤنٹنگ ٹائپ | Surface Mount (PLCC socket) |
EP910LC-30Y پن کنفیگریشن
| پن 1 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 2 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 3 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 4 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 5 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 6 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 7 | VCC — 5V positive supply |
| پن 8 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 9 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 10 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 11 | GND — Ground |
| پن 12 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 13 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 14 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 15 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 16 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 17 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 18 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 19 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 20 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 21 | GND — Ground |
| پن 22 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 23 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 24 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 25 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 26 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 27 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 28 | VCC — 5V positive supply |
| پن 29 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 30 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 31 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 32 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 33 | GND — Ground |
| پن 34 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 35 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 36 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 37 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 38 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 39 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 40 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 41 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 42 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 43 | I/O — Bidirectional I/O pin (macrocell-controlled) |
| پن 44 | I/O — Bidirectional I/O pin (macrocell-controlled) |
عام استعمالات
EP910LC-30Y کے لیے موزوں ہے 6 ایپلیکیشنs: Legacy TTL/CMOS Glue Logic Consolidation, 8086/68k Address Decoding and Wait-State Generation, Industrial PLC and Process-Control I/O Expansion, Military and Avionics Line-Replaceable Units (LRUs), FPGA Configuration and Watchdog Logic, Telecom Backplane Bus Interface and Arbitration.
Legacy TTL/CMOS Glue Logic Consolidation
The EP910LC-30Y is well suited to consolidate multiple discrete TTL and CMOS logic packages into a single 24-macrocell EPLD in legacy 5V system designs. Its 100% TTL-compatible I/O and 30ns tPD allow direct replacement of 74LS/74F glue-logic functions such as address decoding, bus arbitration, and interrupt steering, while its 450 usable gates comfortably absorb 4-6 SSI/MSI packages. According to Altera's Classic EPLD datasheet, the device operates from a 5V ±10% rail and provides registered macrocell outputs that simplify state-machine replacement in 1990s-era industrial controllers still in service today. Compared with implementing equivalent logic in a modern CPLD, the EP910LC-30Y fits in the same PLCC-44 socket without any PCB rework.
تجویز کردہ
8086/68k Address Decoding and Wait-State Generation
The EP910LC-30Y is a strong fit for address decoding and wait-state generation in legacy 8086, 68k, and similar microprocessor-based embedded systems. Its 24 macrocells provide enough product terms to decode a full 16-bit address bus with multiple chip-select outputs, while the registered outputs and internal flip-flops can implement wait-state generators and bus-cycle extenders in a single device. According to Rochester Electronics' part record, the EP910 contains 450 usable gates and counter frequencies up to 100 MHz, sufficient to keep pace with 8 MHz and 12 MHz CPU clock domains. The PLCC-44 socket footprint allows in-system programming with Altera's MAX+PLUS II toolchain and ByteBlaster hardware, which many field-service shops still maintain for sustainment programs.
تجویز کردہ
Industrial PLC and Process-Control I/O Expansion
The EP910LC-30Y continues to be used in industrial PLC and process-control systems as a flexible I/O expander and signal-conditioning glue-logic device. Its extended-reliability Y processing flow supports long-life industrial deployments where component change control is strictly enforced and requalification of new parts would be costly. According to Rochester Electronics' continued-manufacture catalog, the EP910 family is sustained specifically for long-lifecycle industrial and defense customers. The 5V CMOS design tolerates the noisy factory-floor environment, and the 30ns tPD is fast enough to handle deterministic I/O scanning at typical PLC cycle times of 10-50 ms. Designers can implement input-debounce, output-pulse-stretch, and PWM logic directly in macrocells.
تجویز کردہ
Military and Avionics Line-Replaceable Units (LRUs)
The EP910LC-30Y is widely deployed in military and avionics LRUs as the local glue-logic device on backplane and daughter-card assemblies where reliability and long-term availability are critical. The Y processing flow indicates Altera's extended-reliability screening, and Rochester Electronics' continued-manufacture program guarantees decades of supply for sustainment contracts. According to Altera's Classic datasheet family, the device contains on-board logic test circuitry that allows verification of function and AC specifications during standard production flow, which simplifies factory acceptance testing of avionics subsystems. Its PLCC-44 package is compatible with production programmers and bed-of-nails board-test fixtures used in defense manufacturing.
تجویز کردہ
FPGA Configuration and Watchdog Logic
The EP910LC-30Y is well suited as a companion device to a main FPGA, providing FPGA configuration memory control, watchdog timer logic, and housekeeping glue in mixed-technology boards. Its 24 macrocells can implement a state machine that sequences FPGA PROG_B, INIT_B, and DONE signals, plus a watchdog timer that resets the FPGA on a stalled configuration handshake. According to the Classic EPLD datasheet, the device supports 100 MHz counter frequencies, fast enough to monitor configuration timeouts on most modern SRAM-based FPGAs. The 5V-tolerant I/O also provides a convenient level-shifting interface between 3.3V FPGAs and 5V backplane logic, although external resistors are recommended for true level translation.
تجویز کردہ
Telecom Backplane Bus Interface and Arbitration
The EP910LC-30Y is frequently used in telecom backplane assemblies for bus arbitration, interrupt prioritization, and protocol-framing glue logic in legacy T1/E1 and H.110 CT-bus equipment. Its 24 macrocells and 30ns tPD handle the bus-grant propagation delays required for multi-master backplane arbitration, while the 100% TTL-compatible I/O interfaces directly to the 5V backplane transceivers common in 1990s and early-2000s telecom hardware. According to Altera's Classic EPLD family description, the device supports 100% TTL emulation and provides enough logic capacity to implement a complete bus arbiter for 4-6 masters. The PLCC-44 footprint allows socketed field replacement, which is essential for 24/7 telecom installations with strict MTTR budgets.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا EP910LC-30Y — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | EP910LC-30 | EP910LC-30T | EP910LC-25 | EP910JC-35 | EP910JC-30 | EP910IPC-25 |
|---|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | PLCC-44 | PLCC-44 - same | PLCC-44 - same | PLCC-44 - same | PLCC-44 - same | PLCC-44 - same | PLCC-44 - same |
| Macrocells | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Usable Gates | 450 | 450 | 450 | 450 | 450 | 450 | 450 |
| Pin-to-Pin Delay (tPD) | 30 ns | 30 ns | 30 ns | 25 ns | 35 ns | 30 ns | 25 ns |
| Processing Flow | Y (extended reliability) | Standard commercial | Standard commercial (tape & reel) | Standard commercial | Standard commercial (ceramic windowed) | Standard commercial (ceramic windowed) | Industrial temp |
| Operating Temperature | Commercial 0C to +70C | Commercial 0C to +70C | Commercial 0C to +70C | Commercial 0C to +70C | Commercial 0C to +70C | Commercial 0C to +70C | Industrial -40C to +85C |
| Package Type | Plastic Leaded Chip Carrier (PLCC) | Plastic Leaded Chip Carrier (PLCC) | Plastic Leaded Chip Carrier (PLCC) | Plastic Leaded Chip Carrier (PLCC) | Ceramic windowed Leaded Chip Carrier (JLCC) | Ceramic windowed Leaded Chip Carrier (JLCC) | Plastic Leaded Chip Carrier (PLCC) |
| Counter Frequency fMAX (family max) | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
اہم امتیازی خصوصیات
- Extended-reliability Y processing flow for defense and aerospace LRUs (بمقابلہEP910LC-30)
- Identical 30ns tPD to base EP910LC-30 at the same PLCC-44 footprint (بمقابلہEP910LC-25)
- Plastic commercial-grade packaging versus ceramic windowed (بمقابلہEP910JC-30)
ڈیزائن نوٹس
The EP910LC-30Y operates from a single 5V ±10% supply (4.5V to 5.5V) and its PLCC-44 footprint exposes multiple VCC and GND pins (approximately pins 7, 21, 28, 33 per the family pinout) that must each be decoupled locally. Recommended practice is a 0.1µF ceramic capacitor on every VCC pin placed within 100 mils of the package lead, plus a single 10µF tantalum or aluminum bulk capacitor near the supply entry point. Undecoupled VCC pins in Classic EPLDs cause voltage spikes during simultaneous output switching that can corrupt internal flip-flop states.
Keep I/O traces short and route them away from analog or RF-sensitive areas of the board, because the EP910LC-30Y's TTL outputs generate fast edge rates that couple into adjacent traces. According to Altera's Classic EPLD design guidelines, ground returns should be uninterrupted beneath high-toggle-rate outputs, and the PLCC-44 socket should be soldered to a continuous ground plane when possible. Use 45-degree bends instead of right-angle trace turns to reduce reflections on long (>2 inch) outputs.
A common pitfall when migrating from a PAL or GAL to the EP910LC-30Y is forgetting that macrocell feedback paths and shared expander terms can lower achievable fMAX below the headline 100 MHz figure. According to the MAX+PLUS II fitter output, designs that use heavy expander-term sharing or register-feedback loops typically achieve 60-80 MHz in practice. Always run a timing simulation with the post-fit netlist rather than trusting the family-data fMAX. Also note that the Y suffix is a processing-flow designation and does not change electrical specifications - substituting EP910LC-30 for EP910LC-30Y is acceptable when extended-reliability screening is not required.
تعمیل کی معلومات
RoHS, REACH, lead-free, and halogen-free status are not explicitly stated in the verified web data for this Classic EPLD. Rochester Electronics and Altera (Intel) do not publish a current RoHS declaration for the EP910LC-30Y in the retrieved records. AEC-Q100 is not applicable because this is a programmable logic device, not an automotive analog IC. The Y processing flow is Altera's proprietary extended-reliability screening for defense/industrial use.