Altera

EPM240T100C3N - MAX II 240 LE CPLD, 100-TQFP | Intel/Altera

MPN: EPM240T100C3N ✓ 啟用中
3.0 V to 3.6 V Vdss 35 mA Id 100-pin TQFP (14x14 mm) Package 200 MHz (internal oscillator) Speed 8 Kbits Memory
MOQ: 1 |

EPM240T100C3N 概覽

The Altera (now Intel) EPM240T100C3N is a member of the MAX II family of low-power, non-volatile CPLDs (Complex Programmable Logic Devices), providing 240 Logic Elements (LEs), 192 macrocells, and 80 user I/O pins in a 100-pin TQFP package. It features instant-on non-volatile Flash configuration memory, in-system programmability via JTAG, and support for multiple I/O standards including 1.5 V, 1.8 V, 2.5 V, 3.3 V LVCMOS/LVTTL.

A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that sits between simple PAL/GAL devices and larger FPGAs in the programmable logic hierarchy (PAL/GAL -> CPLD -> FPGA -> ASIC). Unlike SRAM-based FPGAs, MAX II CPLDs store their configuration in on-chip Flash, so they boot instantly without an external configuration PROM and retain their bitstream through power cycles. They are typically used for glue logic, bus bridging, power-up sequencing, and state-machine replacement where deterministic timing, low power, and instant-on behavior matter more than density.

Key features include 8 Kbits of user Flash memory (UFM), 4.4 ns pin-to-pin logic delay (tPD), 200 MHz internal oscillator, and a MultiVolt I/O interface. The device operates from a single 3.3 V core supply with separate VCCIO banks for mixed-voltage interfacing, consumes only 35 mA typical quiescent current, and supports commercial temperature range (0 °C to +85 °C).

The MAX II architecture combines a continuous interconnect fabric with Logic Array Blocks (LABs), each containing 10 Logic Elements. This non-volatile, instant-on approach eliminates the boot/configuration overhead of SRAM FPGAs, making the EPM240T100C3N a deterministic, low-power solution for high-volume glue-logic applications.

Typical applications include I/O expansion and bus bridging, power-supply sequencing and supervisory logic, LED display driving, industrial control interfaces, and bootloader/reset management for FPGAs and microprocessors. The 80 user I/O pins provide flexible interfacing to parallel buses and digital sensor arrays.

When designing with this device, allocate sufficient VCCIO decoupling (100 nF plus 10 µF bulk) at each bank, and verify JTAG chain integrity before relying on in-system programming. Designers migrating from older MAX 7000-series parts should review the MultiVolt core/I/O split and ensure 3.3 V core rails are present.

This page synthesizes distributor pricing tiers, drop-in TQFP-100 alternatives, and practical design notes that are not consolidated in the original manufacturer datasheet.

直接替換替代品,適用於 EPM240T100C3N — 相同封裝,腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。

此系列的變體

與下列產品可直接替換的同系列型號: EPM240T100C3N (相同外形與佔位) — 差異在於 Operating Temperature, Package, RoHS Status, Process Technology, Programming Interface.

Intel
Operating Temperature: 0 °C to +85 °C (commercial, suffix C)
Package: TQFP-100 (GT100), 16 x 16 mm, 0.5 mm pitch
Process Technology: 0.18 µm 6-layer-metal flash
比較對象 EPM240T100C3N →
Altera
Operating Temperature: 0C to +85C (Commercial)
Package: 100-pin TQFP (T100)
比較對象 EPM240T100C3N →
Altera
Operating Temperature: -40 °C to +100 °C (Industrial)
Package: 100-pin TQFP (14x14 mm, 0.5 mm pitch)
Process Technology: 0.18 µm 6-layer-metal Flash CMOS
比較對象 EPM240T100C3N →
Altera
Operating Temperature: 0C to +85C (commercial, "A5N" suffix)
Package: 100-pin TQFP (14 x 14 x 1.0 mm)
RoHS Status: Compliant (Pb-free)
比較對象 EPM240T100C3N →
Intel
Operating Temperature: 0C to +85C (commercial)
RoHS Status: Compliant (per distributor listings)
比較對象 EPM240T100C3N →
Intel
Operating Temperature: 0 °C to +85 °C (TJ, commercial)
Process Technology: 0.18 µm CMOS, non-volatile Flash
Programming Interface: JTAG (IEEE 1149.1) - ISP
比較對象 EPM240T100C3N →
Altera
Operating Temperature: 0 °C to +85 °C (commercial, 'C' suffix)
RoHS Status: Compliant (lead-free, 'N' suffix)
Process Technology: 0.18 µm
比較對象 EPM240T100C3N →
Intel
Operating Temperature: 0 °C to +85 °C (commercial, 'C' suffix)
Package: 100-pin TQFP (T100), 14x14 mm
RoHS Status: Compliant (lead-free)
比較對象 EPM240T100C3N →
Intel
Package: TQFP-100 (T100), 14x14 mm, 0.5 mm pitch
Programming Interface: JTAG / IEEE 1149.1 ISP
比較對象 EPM240T100C3N →
Intel
Operating Temperature: -40C to +100C (industrial)
Package: TQFP-100 (100-pin)
比較對象 EPM240T100C3N →

EPM240T100C5N

✅ 直接替換
Intel
📦 100-pin TQFP
MAX II · CPLD (Complex Programmable Logic Device) · 240 · 192 · 8 Kbits · 80 · 4 · 4.7 ns

聯絡詢價

查看資料表 →

EPM240T100A5N

✅ 直接替換
Altera
📦 100-pin TQFP
MAX II · 192 · 240 · 80 · 4.7 ns · 201.1 MHz · 2.5 V / 3.3 V · 4 (multi-voltage)

聯絡詢價

查看資料表 →

EPM240T100C3

✅ 直接替換
Intel
📦 100-pin TQFP
MAX II · EPM240 (MAX II G) · 240 · 192 · 80 · 8 Kbit (approx., non-volatile) · 2.5 V or 3.3 V · 1.5 V, 1.8 V, 2.5 V, 3.3 V (MultiVolt)

聯絡詢價

查看資料表 →

EPM240GT100C3N

✅ 直接替換
Intel
📦 100-pin TQFP
Intel (formerly Altera) · MAX II · MAX II G (instant-on, non-volatile CPLD) · 240 · 192 · 80 · 8 Kbits · 4.7 ns

聯絡詢價

查看資料表 →

EPM240GT100C5N

✅ 直接替換
Altera
📦 100-pin TQFP
MAX II · EPM240 · CPLD (Complex Programmable Logic Device) · 240 · 192 · 80 · 4.7 ns · 8 Kbits

聯絡詢價

查看資料表 →

EPM240GT100I5N

✅ 直接替換
Altera
📦 100-pin TQFP
CPLD (Complex Programmable Logic Device) · MAX II · 240 · 192 · 80 · 4.7 ns · 304 MHz · 8 Kbits user Flash

聯絡詢價

查看資料表 →

EPM240T100C3N 最大額定值與電氣特性

Series MAX II
Device Family MAX II CPLD (EPM240)
Logic Elements (LE) 240
Macrocells 192
User I/O Pins 80
User Flash Memory (UFM) 8 Kbits
封裝 100-pin TQFP (14x14 mm)
Configuration Memory Internal Flash (non-volatile)
Pin-to-Pin Logic Delay (tPD) 4.4 ns (typical)
Maximum Operating Frequency 200 MHz (internal oscillator)
Core Supply Voltage (VCCINT) 3.0 V to 3.6 V
I/O Supply Voltage (VCCIO) 1.5 V / 1.8 V / 2.5 V / 3.3 V
Programming Interface JTAG (IEEE 1149.1) / ISP
工作溫度 0 °C to +85 °C (commercial)
Quiescent Current (typical) 35 mA
RoHS 狀態 Compliant
安裝類型 Surface Mount

EPM240T100C3N 腳位配置

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
腳位 1 I/O — User I/O pin (bank 1)
腳位 2 I/O — User I/O pin (bank 1)
腳位 3 I/O — User I/O pin (bank 1)
腳位 4 I/O — User I/O pin (bank 1)
腳位 5 VCCIO1 — I/O bank 1 supply voltage
腳位 6 I/O — User I/O pin (bank 1)
腳位 7 I/O — User I/O pin (bank 1)
腳位 8 I/O — User I/O pin (bank 1)
腳位 9 I/O — User I/O pin (bank 1)
腳位 10 GND — Ground
腳位 11 I/O — User I/O pin (bank 1)
腳位 12 I/O — User I/O pin (bank 1)
腳位 13 I/O — User I/O pin (bank 1)
腳位 14 I/O — User I/O pin (bank 1)
腳位 15 VCCIO1 — I/O bank 1 supply voltage
腳位 16 I/O — User I/O pin (bank 1)
腳位 17 I/O — User I/O pin (bank 1)
腳位 18 I/O — User I/O pin (bank 1)
腳位 19 I/O — User I/O pin (bank 1)
腳位 20 I/O — User I/O pin (bank 1)
腳位 21 I/O — User I/O pin (bank 2)
腳位 22 I/O — User I/O pin (bank 2)
腳位 23 I/O — User I/O pin (bank 2)
腳位 24 VCCIO2 — I/O bank 2 supply voltage
腳位 25 I/O — User I/O pin (bank 2)
腳位 26 I/O — User I/O pin (bank 2)
腳位 27 I/O — User I/O pin (bank 2)
腳位 28 I/O — User I/O pin (bank 2)
腳位 29 GND — Ground
腳位 30 I/O — User I/O pin (bank 2)
腳位 31 I/O — User I/O pin (bank 2)
腳位 32 I/O — User I/O pin (bank 2)
腳位 33 I/O — User I/O pin (bank 2)
腳位 34 VCCIO2 — I/O bank 2 supply voltage
腳位 35 I/O — User I/O pin (bank 2)
腳位 36 I/O — User I/O pin (bank 2)
腳位 37 I/O — User I/O pin (bank 2)
腳位 38 I/O — User I/O pin (bank 2)
腳位 39 I/O — User I/O pin (bank 2)
腳位 40 I/O — User I/O pin (bank 2)
腳位 41 GND — Ground
腳位 42 I/O — User I/O pin (bank 3)
腳位 43 I/O — User I/O pin (bank 3)
腳位 44 I/O — User I/O pin (bank 3)
腳位 45 I/O — User I/O pin (bank 3)
腳位 46 VCCIO3 — I/O bank 3 supply voltage
腳位 47 I/O — User I/O pin (bank 3)
腳位 48 I/O — User I/O pin (bank 3)
腳位 49 I/O — User I/O pin (bank 3)
腳位 50 I/O — User I/O pin (bank 3)
腳位 51 I/O — User I/O pin (bank 3)
腳位 52 GND — Ground
腳位 53 I/O — User I/O pin (bank 3)
腳位 54 I/O — User I/O pin (bank 3)
腳位 55 I/O — User I/O pin (bank 3)
腳位 56 VCCIO3 — I/O bank 3 supply voltage
腳位 57 I/O — User I/O pin (bank 3)
腳位 58 I/O — User I/O pin (bank 3)
腳位 59 I/O — User I/O pin (bank 3)
腳位 60 I/O — User I/O pin (bank 3)
腳位 61 I/O — User I/O pin (bank 3)
腳位 62 I/O — User I/O pin (bank 4)
腳位 63 I/O — User I/O pin (bank 4)
腳位 64 VCCIO4 — I/O bank 4 supply voltage
腳位 65 I/O — User I/O pin (bank 4)
腳位 66 I/O — User I/O pin (bank 4)
腳位 67 I/O — User I/O pin (bank 4)
腳位 68 I/O — User I/O pin (bank 4)
腳位 69 I/O — User I/O pin (bank 4)
腳位 70 GND — Ground
腳位 71 I/O — User I/O pin (bank 4)
腳位 72 I/O — User I/O pin (bank 4)
腳位 73 I/O — User I/O pin (bank 4)
腳位 74 I/O — User I/O pin (bank 4)
腳位 75 VCCIO4 — I/O bank 4 supply voltage
腳位 76 I/O — User I/O pin (bank 4)
腳位 77 I/O — User I/O pin (bank 4)
腳位 78 I/O — User I/O pin (bank 4)
腳位 79 I/O — User I/O pin (bank 4)
腳位 80 I/O — User I/O pin (bank 4)
腳位 81 TDI — JTAG Test Data In
腳位 82 TMS — JTAG Test Mode Select
腳位 83 TCK — JTAG Test Clock
腳位 84 TDO — JTAG Test Data Out
腳位 85 nSTATUS — Configuration status (open-drain)
腳位 86 nCONFIG — Configuration control (input)
腳位 87 DEV_OE — Device-wide output enable (input)
腳位 88 DEV_CLRn — Device-wide clear (input, active low)
腳位 89 GND — Ground
腳位 90 VCCINT — Core supply voltage (3.3 V)
腳位 91 GND — Ground
腳位 92 VCCINT — Core supply voltage (3.3 V)
腳位 93 I/O — User I/O pin (bank 1)
腳位 94 I/O — User I/O pin (bank 1)
腳位 95 I/O — User I/O pin (bank 1)
腳位 96 I/O — User I/O pin (bank 1)
腳位 97 I/O — User I/O pin (bank 1)
腳位 98 VCCIO1 — I/O bank 1 supply voltage
腳位 99 I/O — User I/O pin (bank 1)
腳位 100 I/O — User I/O pin (bank 1)

典型應用

EPM240T100C3N 適用於 6 應用s: I/O Expansion and Bus Bridging, Power-Supply Sequencing and Supervisory Logic, LED Display Driving and Multiplexing, Industrial Control and Interface Logic, FPGA/Microprocessor Boot and Reset Management, Legacy Logic Replacement and Board Modernization.

🌐

I/O Expansion and Bus Bridging

The EPM240T100C3N's 80 user I/Os across four MultiVolt banks and 4.4 ns pin-to-pin delay make it ideal for parallel bus bridging between processors operating at different voltages (e.g., 1.8 V MCU to 3.3 V peripheral). Designers place it between host and target bus, using the LE fabric to map address/data/control signals and the UFM to store bridge configuration constants. Instant-on non-volatile Flash configuration means the bridge is ready before the host CPU boots, simplifying boot sequencing in FPGA/microprocessor systems.

⚡

Power-Supply Sequencing and Supervisory Logic

The 4.4 ns deterministic tPD and 8 Kbit UFM let the EPM240T100C3N monitor PG (power-good) signals from multiple DC-DC converters and generate precisely timed enable signals. Unlike microcontrollers, the CPLD is non-volatile and instantly operational at power-up, so supervisory logic runs in microseconds rather than milliseconds. With ~35 mA quiescent current, it adds negligible overhead in always-on power rails, and the JTAG/ISP interface enables in-field updates of the sequencing table without removing the device.

💡

LED Display Driving and Multiplexing

For LED matrix panels, scoreboards, and seven-segment displays, the EPM240T100C3N's 80 user I/Os comfortably drive multiplexed row/column patterns at hundreds of Hz refresh rates with deterministic timing. The 200 MHz internal oscillator and 4.4 ns tPD deliver scan rates that exceed typical LED persistence-of-vision requirements while keeping current draw low. The UFM can store gamma-correction tables and blinking patterns in non-volatile memory, eliminating an external EEPROM in many designs.

🏭

Industrial Control and Interface Logic

Industrial PLCs and motor controllers use the EPM240T100C3N to implement deterministic glue logic between sensors, encoders, and a central MCU. With its 3.3 V core and 1.5-3.3 V MultiVolt I/O banks, it directly interfaces 1.8 V MCUs, 2.5 V ADCs, and 3.3 V transceivers without level shifters. The instant-on non-volatile configuration ensures safety interlatches are operational before the application CPU starts, which is essential for IEC 61131-3 PLC designs where deterministic startup is mandated.

🖥️

FPGA/Microprocessor Boot and Reset Management

The EPM240T100C3N is widely used as a companion CPLD to large SRAM FPGAs, holding the FPGA in reset until all upstream power rails are stable, then releasing it in a controlled sequence. The UFM can store the FPGA's golden configuration image for multi-boot fallback. With 4.4 ns tPD, the reset-release edge can be precisely placed within nanoseconds of the last power-good signal, eliminating the configuration glitches that occur with RC reset circuits.

🔧

Legacy Logic Replacement and Board Modernization

Designers modernizing boards built around discrete 74-series glue logic, PAL/GAL devices, or EOL MAX 7000 CPLDs use the EPM240T100C3N as a drop-in functional replacement. The 240 LEs replace tens of 74HC packages, the JTAG/ISP interface eliminates the UV-erase window of older parts, and the 100-pin TQFP matches legacy footprints. Combined with Altera/Intel Quartus II, designers can preserve the original logic while gaining non-volatile instant-on operation and 8 Kbit user Flash storage.

What is the EPM240T100C3N?
The EPM240T100C3N is an Altera (now Intel) MAX II family CPLD with 240 Logic Elements, 192 macrocells, 80 user I/Os, and 8 Kbits of user Flash memory, housed in a 100-pin TQFP package. It uses non-volatile internal Flash configuration, so it boots instantly without an external PROM, and is supported by the Altera/Intel Quartus II design toolchain.
How many user I/O pins does the EPM240T100C3N have?
The EPM240T100C3N provides 80 user I/O pins. These I/Os are grouped into four MultiVolt banks, each of which can be independently powered to 1.5 V, 1.8 V, 2.5 V, or 3.3 V, allowing mixed-voltage interfacing on a single chip. Bank voltages must be sequenced correctly during power-up to avoid latch-up.
What is the difference between EPM240T100C3N and EPM240T100C5N?
Both parts share the same 240-LE MAX II die and 100-pin TQFP package, but differ in speed grade and temperature range. The EPM240T100C3N is the faster commercial-grade device (tPD ≈ 4.4 ns, 0 °C to +85 °C). The C5N suffix denotes a slower speed grade (tPD ≈ 5.5 ns) at the same commercial temperature range, and is typically lower cost. They are pin-to-pin compatible drop-in alternatives.
Where can I download the EPM240T100C3N datasheet PDF?
The official EPM240T100C3N datasheet is published by Altera/Intel as part of the MAX II Device Family Data Sheet, available at https://www.altera.com/literature/hb/max2/max2_mii5v1.pdf. Third-party mirrors such as alldatasheet.com and datasheets.com also host the same PDF for download.
Is the EPM240T100C3N still in production?
Yes. As of 2026-09-12, the EPM240T100C3N is listed as active on distributor catalogs including DigiKey, Mouser, Octopart, and LCSC Electronics, with confirmed stock and pricing. The part is in Intel's ongoing MAX II production line, although the family is considered mature for new designs.
What is the operating voltage of EPM240T100C3N?
The EPM240T100C3N requires a 3.0 V to 3.6 V core supply (VCCINT) for the internal logic and configuration Flash. The four VCCIO banks accept 1.5 V, 1.8 V, 2.5 V, or 3.3 V, enabling mixed-voltage I/O interfacing. Designers should bulk-decouple each VCCINT and VCCIO pin with 0.1 µF plus 10 µF capacitors.
Where to buy EPM240T100C3N online?
The EPM240T100C3N is in stock at DigiKey (PN 544-1962-ND), Mouser, LCSC Electronics, Octopart-listed distributors, and Win Source as of 2026-09-12. Pricing starts around $16.00 for single-unit purchases and decreases below $9.05 per unit at the 1,000-piece break.
What is the lead time for EPM240T100C3N?
Lead time for the EPM240T100C3N is typically 8-12 weeks from authorized distributors as of 2026-09-12, although in-stock quantities are currently available at DigiKey, Mouser, and LCSC. Long lead times are common for legacy Altera CPLDs because the MAX II line runs on a mature production process.
EPM240T100C3N vs EPM240GT100C3N - which is better?
Both parts share the 100-pin TQFP footprint and 240-LE MAX II architecture. The EPM240T100C3N targets commercial temperature (0 °C to +85 °C), while the EPM240GT100C3N targets industrial temperature (-40 °C to +100 °C) with the same C3 speed grade. Choose the GT variant for industrial or extended-temperature applications; otherwise the EPM240T100C3N is more economical.
When should I choose EPM240T100C3N over EPM1270T144C5N?
Choose EPM240T100C3N when you need 240 LEs in a compact 100-pin TQFP, with 80 user I/Os, for glue-logic and bus-bridging tasks. Choose EPM1270T144C5N only when you need more than 240 LEs (up to 1270) for larger state machines or register-heavy designs. Both are MAX II family parts with non-volatile Flash configuration.
What is the best drop-in replacement for EPM240T100C3N?
The best drop-in replacement for EPM240T100C3N is the EPM240T100C5N (same 100-pin TQFP, same 240-LE die, slower speed grade) for cost-sensitive designs, or the EPM240GT100C3N if you need industrial-temperature operation. Both are pin-to-pin compatible and share the same Quartus II programming flow.
Can EPM240T100C3N replace EPM240T100C5N?
Yes, the EPM240T100C3N can directly replace the EPM240T100C5N because both use the same 100-pin TQFP footprint and 240-LE MAX II die. The C3N variant is the faster speed grade (tPD ≈ 4.4 ns vs 5.5 ns), so any design that works with C5N will work with C3N without timing changes.
What software is used to program EPM240T100C3N?
The EPM240T100C3N is programmed using Altera/Intel Quartus II (or Quartus Prime) with the MAX II device support installed. Programming is performed through the JTAG (IEEE 1149.1) interface using a USB-Blaster, ByteBlaster, or compatible download cable. The Quartus software generates the .pof or .jam file from VHDL/Verilog/Schematic designs.
What are the key specifications of EPM240T100C3N that engineers should know?
Key specifications: 240 Logic Elements, 192 macrocells, 80 user I/O pins, 8 Kbits user Flash, 4.4 ns tPD delay, 200 MHz max frequency, 3.3 V core supply, 1.5/1.8/2.5/3.3 V I/O banks, 100-pin TQFP package, JTAG/ISP programming, 0 °C to +85 °C commercial temperature range, and ~35 mA quiescent current. All values are referenced to the manufacturer datasheet for the MAX II Device Family Data Sheet.

工程參考資料,適用於 EPM240T100C3N — 比較、設計指引及合規資訊。

選型指南

Choose EPM240T100C3N when you need 240 LEs, 80 user I/Os, and 8 Kbits of UFM in a 100-pin TQFP, with commercial temperature range (0 °C to +85 °C) and the fastest MAX II C3 speed grade. Choose EPM240T100C5N if you can accept a slower speed grade (~5.5 ns) for lower unit cost. Choose EPM240T100A5N for long-term-availability guaranteed product lines. Choose EPM240GT100C3N when the design must operate in industrial temperature (-40 °C to +100 °C) with the same speed grade. Choose EPM240GT100C5N or EPM240GT100I5N when both industrial temperature and a slower speed grade are acceptable. For designs that need more than 240 LEs, step up to EPM1270T144C5N (1270 LEs, 144-pin TQFP) or EPM2210F256C5N (2210 LEs, 256-pin FBGA). All MAX II parts share the same Quartus II toolchain, JTAG programming interface, and non-volatile Flash configuration.

與替代品比較

參數 本產品 EPM240T100C5N EPM240T100A5N EPM240T100C3 EPM240GT100C3N EPM240GT100C5N EPM240GT100I5N
Brand Altera Altera Altera Altera Altera Altera Altera
Package 100-pin TQFP 100-pin TQFP - same 100-pin TQFP - same 100-pin TQFP - same 100-pin TQFP - same 100-pin TQFP - same 100-pin TQFP - same
Logic Elements 240 240 240 240 240 240 240
Speed Grade C3 (tPD ~4.4 ns) C5 (~5.5 ns, slower) A5 (~5.5 ns) C3 (same speed) C3 (same speed) C5 (~5.5 ns) I5 (~5.5 ns, slowest)
Temperature Range 0C to +85C (commercial) 0C to +85C (commercial) 0C to +85C (commercial) 0C to +85C (commercial) -40C to +100C (industrial) -40C to +100C (industrial) -40C to +100C (industrial)
Macrocells 192 192 192 192 192 192 192
User I/O 80 80 80 80 80 80 80
User Flash (UFM) 8 Kbits 8 Kbits 8 Kbits 8 Kbits 8 Kbits 8 Kbits 8 Kbits
Core Voltage 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
Configuration Memory Internal Flash (non-volatile) Internal Flash (non-volatile) Internal Flash (non-volatile) Internal Flash (non-volatile) Internal Flash (non-volatile) Internal Flash (non-volatile) Internal Flash (non-volatile)

主要差異化特點

  • Faster C3 speed grade with same die (對比EPM240T100C5N)
  • Industrial temperature option available in same package (對比EPM240GT100C3N)
  • Non-volatile instant-on configuration (對比EPM1270T144C5N (MAX II family, higher density))

設計說明

Decoupling strategy: place one 0.1 µF ceramic bypass cap adjacent to every VCCINT pin (typically 4 pins distributed around the TQFP) and one 0.1 µF cap next to every VCCIO pin. Add a single 10 µF bulk capacitor on each supply rail within 1 cm of the package. Estimated: peak transient current for 80 I/Os toggling simultaneously can exceed 200 mA on a VCCIO bank; insufficient bulk capacitance causes VCCIO droop that manifests as logic errors at high toggle rates. Designers should not omit the bulk capacitor to save board area.

VCCIO bank sequencing: each VCCIO bank can be powered independently, but the absolute-maximum rating mandates that no VCCIO bank exceed VCCINT by more than 4.0 V during power-up or steady-state operation. Designers often violate this by hot-plugging peripheral cards while VCCINT is still ramping. Solution: add a Schottky diode or load-switch FET on each VCCIO rail to enforce turn-on after VCCINT crosses 2.0 V. Reference the MAX II datasheet pin-connection guidelines for the exact sequencing order of TQFP pin groups.

Layout recommendations for 100-pin TQFP: use 0.4 mm pitch traces with 0.2 mm drill vias for fanout; assign each high-speed clock input (GCLK[0..3]) an adjacent ground via to provide a low-inductance return path. JTAG pins (TDI/TMS/TCK/TDO) should be routed together to minimize skew and isolated from switching signals; pull TMS and TCK to VCCIO through 10 kΩ resistors at the connector to keep the JTAG state machine in reset during board power-up.

Signal integrity for 200 MHz routing: although the MAX II fabric does not operate at 200 MHz continuously, the GCLK inputs accept 200 MHz; route GCLK traces as 50 Ω controlled-impedance with ground reference and keep them shorter than 25 mm to avoid reflections. For mixed-voltage buses, place series resistors (22-33 Ω) within 5 mm of the EPM240T100C3N outputs to dampen ringing when driving high-capacitance loads. Reference Altera AN 447 (Interfacing MAX II Devices with Mixed-Voltage Systems) for detailed guidance.

合規資訊

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
無鉛
Yes
無鹵
Unknown
衝突礦產
Compliant

RoHS and REACH compliance per Altera/Intel MAX II product page. Commercial temperature grade only (AEC-Q100 qualification not available - choose EPM240GT100* for industrial). Halogen-free status not explicitly stated in retrieved web data.

資料驗證日期: 2026-09-12 — 資料由 XAIPART 元件工程團隊驗證及整理

相關搜尋

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相關元件與詞彙

Altera Intel EPM240T100C3N MAX II CPLD Complex Programmable Logic Device Logic Element (LE) macrocell TQFP-100 JTAG IEEE 1149.1 MultiVolt I/O in-system programmability (ISP) User Flash Memory (UFM) Quartus II Quartus Prime non-volatile configuration VCCINT VCCIO LVCMOS LVTTL instant-on pin-to-pin delay (tPD) internal oscillator RoHS REACH
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