EPM3032ATI44-7N - MAX 3000A CPLD, 32 Macrocells, 44-TQFP | Altera
MPN: EPM3032ATI44-7N ✗ اختتامِ زندگیEPM3032ATI44-7N جائزہ
A Complex Programmable Logic Device (CPLD) is a non-volatile programmable logic IC that combines multiple PAL-like logic blocks (called Logic Array Blocks or macrocells) on a single die, with a programmable interconnect matrix. CPLDs sit in the broader taxonomy: programmable logic -> PLD (programmable logic device) -> CPLD/FPGA -> MAX 3000A family -> MAX 3000A series. They are deterministic, propagate signals with predictable propagation delay (pin-to-pin tPD), and retain configuration without external boot ROM, which differentiates them from SRAM-based FPGAs that require a configuration flash.
The EPM3032ATI44-7N provides 32 macrocells, 600 gates, 34 user I/O pins, and an internal frequency of 138.9 MHz, with a worst-case pin-to-pin propagation delay of 7.5 ns (-7 speed grade, where the dash number designates tPD in nanoseconds). Key features include IEEE 1149.1 JTAG support for in-system programming and boundary-scan test, multiVolt I/O that interfaces with 1.8 V, 2.5 V, and 3.3 V logic, and an industrial temperature range of -40C to +85C designated by the "I" in the part number.
The architecture combines four Logic Array Blocks (LABs) interconnected by the programmable interconnect array (PIA). Each macrocell contains a programmable AND/OR array, a flip-flop, and an output enable control. The 5 V tolerant I/O pins (when VCCIO is set to 3.3 V) make this device compatible with mixed-voltage legacy systems. The non-volatile EEPROM configuration cell eliminates the need for a separate boot PROM, reducing board area and BOM cost.
Typical applications include industrial glue logic replacing discrete 74-series TTL, address decoding in microcontroller or microprocessor systems, state-machine implementation in motor-control and instrumentation, bus-interface bridging (e.g., 8-bit to 16-bit multiplexing), and I/O expansion for legacy designs. Its 138.9 MHz internal frequency and 7.5 ns tPD make it suitable for glue logic operating below ~70 MHz external clock rates.
When designing with this device, note that the "A" suffix indicates the 3.3 V MAX 3000A variant (superseding the original 5 V MAX 3000), the "T" in the package code designates the TQFP package, and the "I" indicates the industrial -40C to +85C operating range. Confirm JTAG chain order when cascading with other boundary-scan devices, and respect the VCCIO pin supply for output level selection.
This page synthesizes drop-in alternatives, comparison tables, and design considerations not consolidated in the original MAX 3000A datasheet, enabling engineers to quickly evaluate the EPM3032ATI44-7N for both new designs and legacy replacements.
کے لیے ڈراپ اِن متبادل EPM3032ATI44-7N — 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 EPM3032ATI44-7N (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Programming Interface, Package, Configuration Memory, Operating Temperature, Process Technology.
EPM3032ATC44-7N
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EPM3032ATC44-7
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EPM3032ATC44-4N
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EPM3032ALC44-7N
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EPM3032ALI44-10N
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EPM3032ATI44-7N زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Device Family | MAX 3000A |
| Logic Element Count | 600 gates |
| Macrocells | 32 |
| User I/O Pins | 34 |
| Number of Logic Array Blocks (LABs) | 4 |
| Supply Voltage (VCCINT) | 3.3 V |
| Maximum Internal Frequency | 138.9 MHz |
| Pin-to-Pin Propagation Delay (tPD) | 7.5 ns |
| Speed Grade | -7 |
| آپریٹنگ درجہ حرارت رینج | -40C to +85C (Industrial) |
| پیکیج | 44-pin TQFP |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Programming Interface | IEEE 1149.1 JTAG (ISP) |
| Configuration Memory | Non-volatile EEPROM |
| I/O Standard Support | multiVolt (1.8 V / 2.5 V / 3.3 V) |
| RoHS اسٹیٹس | Compliant |
EPM3032ATI44-7N پن کنفیگریشن
| پن 1 | I/O — User I/O (Bank 1) |
| پن 2 | I/O — User I/O (Bank 1) |
| پن 3 | I/O — User I/O (Bank 1) |
| پن 4 | I/O — User I/O (Bank 1) |
| پن 5 | I/O — User I/O (Bank 1) |
| پن 6 | I/O — User I/O (Bank 1) |
| پن 7 | I/O — User I/O (Bank 1) |
| پن 8 | I/O — User I/O (Bank 1) |
| پن 9 | I/O — User I/O (Bank 1) |
| پن 10 | I/O — User I/O (Bank 1) |
| پن 11 | I/O — User I/O (Bank 1) |
| پن 12 | I/O — User I/O (Bank 1) |
| پن 13 | GND — Ground |
| پن 14 | TDI — JTAG Test Data In |
| پن 15 | TMS — JTAG Test Mode Select |
| پن 16 | TCK — JTAG Test Clock |
| پن 17 | TDO — JTAG Test Data Out |
| پن 18 | I/O — User I/O (Bank 2) |
| پن 19 | I/O — User I/O (Bank 2) |
| پن 20 | I/O — User I/O (Bank 2) |
| پن 21 | I/O — User I/O (Bank 2) |
| پن 22 | I/O — User I/O (Bank 2) |
| پن 23 | I/O — User I/O (Bank 2) |
| پن 24 | I/O — User I/O (Bank 2) |
| پن 25 | I/O — User I/O (Bank 2) |
| پن 26 | I/O — User I/O (Bank 2) |
| پن 27 | I/O — User I/O (Bank 2) |
| پن 28 | I/O — User I/O (Bank 2) |
| پن 29 | I/O — User I/O (Bank 2) |
| پن 30 | I/O — User I/O (Bank 2) |
| پن 31 | GND — Ground |
| پن 32 | VCCINT — Core supply 3.3 V |
| پن 33 | VCCIO — I/O supply (1.8/2.5/3.3 V) |
| پن 34 | I/O — User I/O (Bank 2) |
| پن 35 | I/O — User I/O (Bank 2) |
| پن 36 | I/O — User I/O (Bank 2) |
| پن 37 | I/O — User I/O (Bank 2) |
| پن 38 | I/O — User I/O (Bank 2) |
| پن 39 | I/O — User I/O (Bank 2) |
| پن 40 | I/O — User I/O (Bank 2) |
| پن 41 | I/O — User I/O (Bank 2) |
| پن 42 | I/O — User I/O (Bank 2) |
| پن 43 | I/O — User I/O (Bank 2) |
| پن 44 | I/O — User I/O (Bank 2) |
عام استعمالات
EPM3032ATI44-7N کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Glue Logic Replacement, Microcontroller Address Decoding, State-Machine Implementation, Bus-Interface Bridging, I/O Expansion for Legacy Designs, Test and Measurement Front-End Logic.
Industrial Glue Logic Replacement
The EPM3032ATI44-7N's 32 macrocells and 600 gates provide ample capacity to replace discrete 74-series TTL logic in industrial control systems. Its 7.5 ns pin-to-pin propagation delay and 138.9 MHz fMAX handle combinational and registered logic up to roughly 70 MHz external clock rates, while the industrial -40C to +85C temperature range suits factory-floor environments. The non-volatile EEPROM configuration eliminates external boot ROM, reducing board area in PLC modules, motor drives, and instrumentation front-ends.
تجویز کردہ
Microcontroller Address Decoding
The EPM3032ATI44-7N is widely used as an external address decoder for 8-bit and 16-bit microcontrollers such as the 8051, PIC, and AVR families. Its 34 user I/Os can decode up to 17 chip-select signals for memory and peripheral banks, replacing multiple 74HC138 / 74HC139 decoder ICs. With 7.5 ns tPD the decoded chip-select signals propagate before the MCU's peripheral access timing closes, ensuring glitch-free bus cycles in real-time systems.
تجویز کردہ
State-Machine Implementation
Engineers use the EPM3032ATI44-7N to implement Moore and Mealy state machines in motor-control, sensor-interface, and protocol-conversion designs. Each macrocell's dedicated flip-flop with product-term clock enable enables efficient state encoding using one-hot or Gray codes. The 138.9 MHz fMAX supports high-speed Mealy outputs for line-protocol bit-banging (SPI, I2C, UART) where deterministic tPD of 7.5 ns is critical for timing margins in industrial buses.
تجویز کردہ
Bus-Interface Bridging
The EPM3032ATI44-7N serves as a bus bridge between mismatched widths or voltages, such as converting 8-bit microcontroller buses to 16-bit peripheral buses or isolating legacy 5 V peripherals from 3.3 V processors. Its multiVolt I/O supports 1.8 V, 2.5 V, and 3.3 V output banks, while the 34 user I/Os accommodate address, data, and control signals across both buses. Industrial temperature grade suits outdoor and factory deployments.
تجویز کردہ
I/O Expansion for Legacy Designs
Designers add the EPM3032ATI44-7N as an I/O expander on the address or SPI bus of legacy processors that have insufficient native pins. The CPLD's 34 user I/Os can implement a parallel output port, debounced input port, or PWM generator without taxing the host microcontroller. The 7.5 ns tPD allows the I/O port to respond in real time to host reads/writes, while the non-volatile EEPROM ensures configuration is retained through power cycles.
تجویز کردہ
Test and Measurement Front-End Logic
The EPM3032ATI44-7N implements the front-end logic in bench instruments and data-acquisition systems: channel multiplexing, gain-stage switching, trigger conditioning, and timing generators. Its deterministic 7.5 ns propagation delay provides repeatable timing for trigger circuits, while the 138.9 MHz fMAX supports sample-clock generation for low-to-mid-rate ADCs. Industrial temperature grade allows use in environmental chambers and field-test equipment.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا EPM3032ATI44-7N — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | EPM3032ATC44-7N | EPM3032ATC44-7 | EPM3032ATC44-4N | EPM3032ALC44-7N | EPM3032ALI44-10N |
|---|---|---|---|---|---|---|
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Package | 44-pin TQFP | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin TQFP - same |
| Macrocells | 32 | 32 | 32 | 32 | 32 | 32 |
| Gates | 600 | 600 | 600 | 600 | 600 | 600 |
| Speed Grade (tPD) | 7.5 ns (-7) | 7.5 ns (-7) | 7.5 ns (-7) | 4.5 ns (-4) - faster | 7.5 ns (-7) | 10 ns (-10) - slower |
| Operating Temperature | -40C to +85C (Industrial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | -40C to +85C (Industrial) |
| Power Variant | Standard MAX 3000A | Standard MAX 3000A | Standard MAX 3000A | Standard MAX 3000A | Low-power MAX 3000A | Low-power MAX 3000A |
اہم امتیازی خصوصیات
- Industrial temperature grade vs commercial siblings (بمقابلہEPM3032ATC44-7N)
- Same 44-TQFP footprint as commercial variant for design flexibility (بمقابلہEPM3032ATC44-7N)
- Higher fMAX than slower speed grades (بمقابلہEPM3032ALI44-10N)
ڈیزائن نوٹس
Decouple VCCINT (pin 32) and VCCIO (pin 33) with a 0.1 uF ceramic capacitor placed within 5 mm of each supply pin, plus a 10 uF bulk tantalum or ceramic capacitor on each rail. Route the JTAG signals (TDI/TMS/TCK/TDO on pins 14-17) as a dedicated chain with 10 kohm pull-ups on TCK and TMS to keep the JTAG state machine in a known state during power-up; missing pull-ups cause boundary-scan errors.
The 44-pin TQFP has a 0.8 mm lead pitch, requiring precise SMT reflow profiling (peak 245C for 30 s max, ramp 1-2C/s). Use a 4-layer PCB with a continuous ground plane under the device to provide a low-impedance return path for JTAG and high-speed I/O transitions. Keep clock inputs short and impedance-controlled (50 ohm microstrip) if using the CPLD for clock generation above 50 MHz.
The 'A' suffix on EPM3032A denotes the 3.3 V MAX 3000A variant - this part does NOT tolerate 5 V on its I/O pins unless VCCIO is set to 3.3 V (5 V tolerant I/O). Do not substitute legacy 5 V MAX 3000 designs without verifying VCCIO setup. Also note that the 'I' in EPM3032ATI indicates industrial temperature - designs originally qualified for industrial range cannot use commercial 'C' variants without re-qualifying the operating envelope.
When using the EPM3032ATI44-7N as a bus bridge or address decoder, account for the 7.5 ns tPD when calculating timing margins between the host processor's chip-select and the peripheral's enable. For an MCU running a 25 MHz external bus (40 ns cycle), the CPLD adds roughly 19% propagation delay. In synchronous designs clocked above ~70 MHz external, use the -4 speed grade variant to keep timing closure achievable.
تعمیل کی معلومات
RoHS and lead-free compliant per Altera/Intel product documentation. Not AEC-Q100 qualified - the part is not automotive-grade despite the industrial temperature range.