EPM3032ATI44-7N - MAX 3000A CPLD, 32 Macrocells, 44-TQFP | Altera
MPN: EPM3032ATI44-7N ✗ जीवन की समाप्तिEPM3032ATI44-7N अवलोकन
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.
के लिए ड्रॉप-इन विकल्प EPM3032ATI44-7N — समान पैकेज, पिन-टू-पिन संगत। PCB रीवर्क आवश्यक करने वाले भिन्न-पैकेज पार्ट्स शामिल नहीं हैं।
इस सीरीज़ के वेरिएंट
समान श्रृंखला के मॉडल जो ड्रॉप-इन संगत हैं EPM3032ATI44-7N (समान फॉर्म फैक्टर और फुटप्रिंट) — इसमें भिन्न Programming Interface, Package, Configuration Memory, Operating Temperature, Process Technology.
EPM3032ATC44-7N
✅ ड्रॉप-इनकीमत के लिए संपर्क करें
डेटाशीट देखें →EPM3032ATC44-7
✅ ड्रॉप-इनकीमत के लिए संपर्क करें
डेटाशीट देखें →EPM3032ATC44-4N
✅ ड्रॉप-इनकीमत के लिए संपर्क करें
डेटाशीट देखें →EPM3032ALC44-7N
✅ ड्रॉप-इन ⚠️ विनिर्देश असत्यापितकीमत के लिए संपर्क करें
डेटाशीट देखें →EPM3032ALI44-10N
✅ ड्रॉप-इनकीमत के लिए संपर्क करें
डेटाशीट देखें →EPM3032ATI44-7N Maximum Ratings और Electrical Characteristics
| 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 |
| ऑपरेटिंग तापमान रेंज | -40C to +85C (Industrial) |
| पैकेज | 44-pin TQFP |
| माउंटिंग प्रकार | 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 स्थिति | Compliant |
EPM3032ATI44-7N पिन कॉन्फ़िगरेशन
| पिन 1 | I/O — User I/O (Bank 1) |
| पिन 2 | I/O — User I/O (Bank 1) |
| पिन 3 | I/O — User I/O (Bank 1) |
| पिन 4 | I/O — User I/O (Bank 1) |
| पिन 5 | I/O — User I/O (Bank 1) |
| पिन 6 | I/O — User I/O (Bank 1) |
| पिन 7 | I/O — User I/O (Bank 1) |
| पिन 8 | I/O — User I/O (Bank 1) |
| पिन 9 | I/O — User I/O (Bank 1) |
| पिन 10 | I/O — User I/O (Bank 1) |
| पिन 11 | I/O — User I/O (Bank 1) |
| पिन 12 | I/O — User I/O (Bank 1) |
| पिन 13 | GND — Ground |
| पिन 14 | TDI — JTAG Test Data In |
| पिन 15 | TMS — JTAG Test Mode Select |
| पिन 16 | TCK — JTAG Test Clock |
| पिन 17 | TDO — JTAG Test Data Out |
| पिन 18 | I/O — User I/O (Bank 2) |
| पिन 19 | I/O — User I/O (Bank 2) |
| पिन 20 | I/O — User I/O (Bank 2) |
| पिन 21 | I/O — User I/O (Bank 2) |
| पिन 22 | I/O — User I/O (Bank 2) |
| पिन 23 | I/O — User I/O (Bank 2) |
| पिन 24 | I/O — User I/O (Bank 2) |
| पिन 25 | I/O — User I/O (Bank 2) |
| पिन 26 | I/O — User I/O (Bank 2) |
| पिन 27 | I/O — User I/O (Bank 2) |
| पिन 28 | I/O — User I/O (Bank 2) |
| पिन 29 | I/O — User I/O (Bank 2) |
| पिन 30 | I/O — User I/O (Bank 2) |
| पिन 31 | GND — Ground |
| पिन 32 | VCCINT — Core supply 3.3 V |
| पिन 33 | VCCIO — I/O supply (1.8/2.5/3.3 V) |
| पिन 34 | I/O — User I/O (Bank 2) |
| पिन 35 | I/O — User I/O (Bank 2) |
| पिन 36 | I/O — User I/O (Bank 2) |
| पिन 37 | I/O — User I/O (Bank 2) |
| पिन 38 | I/O — User I/O (Bank 2) |
| पिन 39 | I/O — User I/O (Bank 2) |
| पिन 40 | I/O — User I/O (Bank 2) |
| पिन 41 | I/O — User I/O (Bank 2) |
| पिन 42 | I/O — User I/O (Bank 2) |
| पिन 43 | I/O — User I/O (Bank 2) |
| पिन 44 | I/O — User I/O (Bank 2) |
सामान्य अनुप्रयोग
EPM3032ATI44-7N के लिए उपयुक्त है 6 अनुप्रयोगs: 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.
अनुशंसित
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.
अनुशंसित
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.
अनुशंसित
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.
अनुशंसित
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.
अनुशंसित
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.
अनुशंसित
अनुशंसित उत्पादों का सारांश
के लिए इंजीनियरिंग संदर्भ डेटा EPM3032ATI44-7N — तुलना, डिज़ाइन मार्गदर्शन और अनुपालन जानकारी।
चयन गाइड
विकल्पों के साथ तुलना
| पैरामीटर | यह उत्पाद | 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 |
मुख्य विशेषताएँ
- Industrial temperature grade vs commercial siblings (बनामEPM3032ATC44-7N)
- Same 44-TQFP footprint as commercial variant for design flexibility (बनामEPM3032ATC44-7N)
- Higher fMAX than slower speed grades (बनामEPM3032ALI44-10N)
डिज़ाइन नोट्स
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.
अनुपालन जानकारी
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.