EPM3032ATI44-7N - MAX 3000A CPLD, 32 Macrocells, 44-TQFP | Altera
MPN: EPM3032ATI44-7N ✗ סוף ייצורEPM3032ATI44-7N סקירה
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.
חלופות תחליף ישיר עבור EPM3032ATI44-7N — 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 EPM3032ATI44-7N (אותו גורם צורה וטביעת רגל) — שונים ב Programming Interface, Package, Configuration Memory, Operating Temperature, Process Technology.
EPM3032ATC44-7N
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EPM3032ATC44-7
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EPM3032ATC44-4N
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EPM3032ALC44-7N
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←EPM3032ALI44-10N
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EPM3032ATI44-7N דירוגים מרביים ומאפיינים חשמליים
| 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 |
| טווח טמפרטורת פעולה | -40C to +85C (Industrial) |
| מארז | 44-pin TQFP |
| סוג הרכבה | 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) |
| סטטוס RoHS | Compliant |
תצורת פינים של EPM3032ATI44-7N
| פין 1 | I/O — User I/O (Bank 1) |
| פין 2 | I/O — User I/O (Bank 1) |
| פין 3 | I/O — User I/O (Bank 1) |
| פין 4 | I/O — User I/O (Bank 1) |
| פין 5 | I/O — User I/O (Bank 1) |
| פין 6 | I/O — User I/O (Bank 1) |
| פין 7 | I/O — User I/O (Bank 1) |
| פין 8 | I/O — User I/O (Bank 1) |
| פין 9 | I/O — User I/O (Bank 1) |
| פין 10 | I/O — User I/O (Bank 1) |
| פין 11 | I/O — User I/O (Bank 1) |
| פין 12 | I/O — User I/O (Bank 1) |
| פין 13 | GND — Ground |
| פין 14 | TDI — JTAG Test Data In |
| פין 15 | TMS — JTAG Test Mode Select |
| פין 16 | TCK — JTAG Test Clock |
| פין 17 | TDO — JTAG Test Data Out |
| פין 18 | I/O — User I/O (Bank 2) |
| פין 19 | I/O — User I/O (Bank 2) |
| פין 20 | I/O — User I/O (Bank 2) |
| פין 21 | I/O — User I/O (Bank 2) |
| פין 22 | I/O — User I/O (Bank 2) |
| פין 23 | I/O — User I/O (Bank 2) |
| פין 24 | I/O — User I/O (Bank 2) |
| פין 25 | I/O — User I/O (Bank 2) |
| פין 26 | I/O — User I/O (Bank 2) |
| פין 27 | I/O — User I/O (Bank 2) |
| פין 28 | I/O — User I/O (Bank 2) |
| פין 29 | I/O — User I/O (Bank 2) |
| פין 30 | I/O — User I/O (Bank 2) |
| פין 31 | GND — Ground |
| פין 32 | VCCINT — Core supply 3.3 V |
| פין 33 | VCCIO — I/O supply (1.8/2.5/3.3 V) |
| פין 34 | I/O — User I/O (Bank 2) |
| פין 35 | I/O — User I/O (Bank 2) |
| פין 36 | I/O — User I/O (Bank 2) |
| פין 37 | I/O — User I/O (Bank 2) |
| פין 38 | I/O — User I/O (Bank 2) |
| פין 39 | I/O — User I/O (Bank 2) |
| פין 40 | I/O — User I/O (Bank 2) |
| פין 41 | I/O — User I/O (Bank 2) |
| פין 42 | I/O — User I/O (Bank 2) |
| פין 43 | I/O — User I/O (Bank 2) |
| פין 44 | I/O — User I/O (Bank 2) |
יישומים טיפוסיים
EPM3032ATI44-7N מתאים עבור 6 יישוםs: 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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור EPM3032ATI44-7N — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | 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 |
מבדילים עיקריים
- Industrial temperature grade vs commercial siblings (לעומתEPM3032ATC44-7N)
- Same 44-TQFP footprint as commercial variant for design flexibility (לעומתEPM3032ATC44-7N)
- Higher fMAX than slower speed grades (לעומתEPM3032ALI44-10N)
הערות תכנון
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.
מידע על תאימות
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.