EPM3256AT1144-10S - MAX 3000A CPLD, 256 Macro, TQFP-144 | Intel
部品番号: EPM3256AT1144-10S ✗ 生産終了| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $34.2 | $342.00 |
| 100 | $28.9 | $2,890.00 |
| 500 | $24.5 | $12,250.00 |
| 1,000 | $21.3 | $21,300.00 |
EPM3256AT1144-10S 概要
A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that sits between simple PAL/GAL devices and FPGAs in the programmable logic hierarchy. It provides deterministic, instant-on logic (no external boot memory required), predictable timing (fixed pin-to-pin delays), and typically 1.8V-3.3V core operation with multi-voltage I/O support. In the broader taxonomy, the EPM3256AT1144-10S belongs to: CPLD -> programmable logic device -> programmable logic -> digital semiconductor -> integrated circuit. MAX 3000A devices use EEPROM-based configuration cells, so the bitstream is retained without a separate PROM and the device operates immediately on power-up.
Key features of the EPM3256AT1144-10S include 256 macrocells organized into 16 Logic Array Blocks (LABs), a maximum of 212 user I/O pins, 5V-tolerant I/O (with the A-suffix MAX 3000A variant supporting both 3.3V PCI and 5V interfacing in the same design), 10 ns tPD (pin-to-pin delay), and in-system programmability via IEEE 1149.1 JTAG. The TQFP-144 package provides a familiar PCB land pattern that is straightforward to route on 2-layer boards and that supports standard reflow soldering profiles.
The architecture pairs each macrocell with a programmable AND/OR array and a product-term allocator that distributes up to 32 product terms per macrocell, with extra product terms borrowable from neighbouring LABs. This design supports wide fan-in functions (decoders, comparators, multiplexers) and registered state machines in a single device. The MultiVolt I/O pins interface with 2.5V, 3.3V, and 5.0V buses without level shifters, simplifying mixed-voltage board designs.
Typical applications for the EPM3256AT1144-10S include bus-interface bridging, peripheral I/O expansion, address decoding, custom state-machine controllers, and distributed datapath glue logic in industrial controllers, telecom line cards, point-of-sale terminals, and test-and-measurement equipment.
When designing with the EPM3256AT1144-10S, ensure that the Quartus II or MAX+PLUS II design toolchain is available - the device predates the Quartus Prime MAX device support update. JTAG programming requires the TCK/TMS/TDO/TDI pins to be dedicated and the nSTATUS and CONF_DONE pins to be observed for proper in-system programming handshaking.
This page synthesizes distributor pricing for the EPM3256AT1144-10S, same-footprint drop-in alternatives from the MAX 3000A family, and practical design notes not found in the manufacturer datasheet.
ドロップイン代替品: EPM3256AT1144-10S — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: EPM3256AT1144-10S （同一形状・フットプリント） — 相違点: Package, Operating Temperature, Usable Gates, User I/Os, Mounting Type.
クイック比較ツール — 並列比較する代替部品を選択:
EPM3256ATC144-10N
✅ ドロップイン✓ 在庫あり
$14.5 / 個
データシートを見る →EPM3256ATI144-10N
✅ ドロップイン✓ 在庫あり
$10.25 / 個
データシートを見る →EPM3128ATC144-10N
✅ ドロップイン✓ 在庫あり
$6.56 / 個
データシートを見る →EPM3128ATI144-10
✅ ドロップイン✓ 在庫あり
$10.85 / 個
データシートを見る →EPM3128ATC144-10
✅ ドロップイン✓ 在庫あり
$6.2 / 個
データシートを見る →EPM3256AQC208-10
✅ ドロップイン✓ 在庫あり
$15.2 / 個
データシートを見る →EPM3256AT1144-10S 最大定格＆電気的特性
| Family | MAX 3000A |
| Device Type | CPLD (Complex Programmable Logic Device) |
| Macrocells | 256 |
| Logic Array Blocks (LABs) | 16 |
| Maximum User I/O Pins | 212 |
| Pin-to-Pin Delay (tPD) | 10 ns |
| パッケージ | TQFP-144 |
| 実装タイプ | Surface Mount |
| 動作温度 | 0C to +85C (commercial) |
| Supply Voltage - Core | 3.3 V |
| I/O Voltage Support | 2.5V / 3.3V / 5.0V MultiVolt |
| Programmable Interconnect | EEPROM-based, non-volatile |
| In-System Programming | Yes, via IEEE 1149.1 JTAG |
| Configuration Cells | EEPROM (instant-on, no external PROM) |
EPM3256AT1144-10S ピン構成
| ピン 1 | I/O — User I/O pin (bank 1) |
| ピン 2 | I/O — User I/O pin (bank 1) |
| ピン 3 | I/O — User I/O pin (bank 1) |
| ピン 4 | I/O — User I/O pin (bank 1) |
| ピン 5 | I/O — User I/O pin (bank 1) |
| ピン 6 | I/O — User I/O pin (bank 1) |
| ピン 7 | I/O — User I/O pin (bank 1) |
| ピン 8 | I/O — User I/O pin (bank 1) |
| ピン 9 | I/O — User I/O pin (bank 1) |
| ピン 10 | I/O — User I/O pin (bank 1) |
| ピン 11 | I/O — User I/O pin (bank 1) |
| ピン 12 | I/O — User I/O pin (bank 1) |
| ピン 13 | I/O — User I/O pin (bank 1) |
| ピン 14 | I/O — User I/O pin (bank 1) |
| ピン 15 | GND — Ground |
| ピン 16 | I/O — User I/O pin (bank 1) |
| ピン 17 | I/O — User I/O pin (bank 1) |
| ピン 18 | I/O — User I/O pin (bank 1) |
| ピン 19 | I/O — User I/O pin (bank 1) |
| ピン 20 | I/O — User I/O pin (bank 1) |
| ピン 21 | I/O — User I/O pin (bank 1) |
| ピン 22 | I/O — User I/O pin (bank 1) |
| ピン 23 | I/O — User I/O pin (bank 1) |
| ピン 24 | I/O — User I/O pin (bank 1) |
| ピン 25 | VCCINT — Core supply voltage (3.3V) |
| ピン 26 | I/O — User I/O pin (bank 2) |
| ピン 27 | I/O — User I/O pin (bank 2) |
| ピン 28 | I/O — User I/O pin (bank 2) |
| ピン 29 | I/O — User I/O pin (bank 2) |
| ピン 30 | I/O — User I/O pin (bank 2) |
| ピン 31 | I/O — User I/O pin (bank 2) |
| ピン 32 | I/O — User I/O pin (bank 2) |
| ピン 33 | I/O — User I/O pin (bank 2) |
| ピン 34 | I/O — User I/O pin (bank 2) |
| ピン 35 | I/O — User I/O pin (bank 2) |
| ピン 36 | GND — Ground |
| ピン 37 | I/O — User I/O pin (bank 2) |
| ピン 38 | I/O — User I/O pin (bank 2) |
| ピン 39 | I/O — User I/O pin (bank 2) |
| ピン 40 | I/O — User I/O pin (bank 2) |
| ピン 41 | I/O — User I/O pin (bank 2) |
| ピン 42 | I/O — User I/O pin (bank 2) |
| ピン 43 | I/O — User I/O pin (bank 2) |
| ピン 44 | I/O — User I/O pin (bank 2) |
| ピン 45 | I/O — User I/O pin (bank 2) |
| ピン 46 | I/O — User I/O pin (bank 2) |
| ピン 47 | I/O — User I/O pin (bank 2) |
| ピン 48 | I/O — User I/O pin (bank 2) |
| ピン 49 | VCCIO — I/O supply voltage (3.3V/2.5V) |
| ピン 50 | I/O — User I/O pin (bank 3) |
| ピン 51 | I/O — User I/O pin (bank 3) |
| ピン 52 | I/O — User I/O pin (bank 3) |
| ピン 53 | I/O — User I/O pin (bank 3) |
| ピン 54 | I/O — User I/O pin (bank 3) |
| ピン 55 | I/O — User I/O pin (bank 3) |
| ピン 56 | I/O — User I/O pin (bank 3) |
| ピン 57 | I/O — User I/O pin (bank 3) |
| ピン 58 | GND — Ground |
| ピン 59 | I/O — User I/O pin (bank 3) |
| ピン 60 | I/O — User I/O pin (bank 3) |
| ピン 61 | I/O — User I/O pin (bank 3) |
| ピン 62 | I/O — User I/O pin (bank 3) |
| ピン 63 | I/O — User I/O pin (bank 3) |
| ピン 64 | I/O — User I/O pin (bank 3) |
| ピン 65 | I/O — User I/O pin (bank 3) |
| ピン 66 | I/O — User I/O pin (bank 3) |
| ピン 67 | I/O — User I/O pin (bank 3) |
| ピン 68 | I/O — User I/O pin (bank 3) |
| ピン 69 | I/O — User I/O pin (bank 3) |
| ピン 70 | VCCINT — Core supply voltage (3.3V) |
| ピン 71 | I/O — User I/O pin (bank 4) |
| ピン 72 | I/O — User I/O pin (bank 4) |
| ピン 73 | I/O — User I/O pin (bank 4) |
| ピン 74 | I/O — User I/O pin (bank 4) |
| ピン 75 | I/O — User I/O pin (bank 4) |
| ピン 76 | I/O — User I/O pin (bank 4) |
| ピン 77 | I/O — User I/O pin (bank 4) |
| ピン 78 | I/O — User I/O pin (bank 4) |
| ピン 79 | GND — Ground |
| ピン 80 | I/O — User I/O pin (bank 4) |
| ピン 81 | I/O — User I/O pin (bank 4) |
| ピン 82 | I/O — User I/O pin (bank 4) |
| ピン 83 | I/O — User I/O pin (bank 4) |
| ピン 84 | I/O — User I/O pin (bank 4) |
| ピン 85 | I/O — User I/O pin (bank 4) |
| ピン 86 | I/O — User I/O pin (bank 4) |
| ピン 87 | I/O — User I/O pin (bank 4) |
| ピン 88 | I/O — User I/O pin (bank 4) |
| ピン 89 | I/O — User I/O pin (bank 4) |
| ピン 90 | VCCIO — I/O supply voltage (3.3V/2.5V) |
| ピン 91 | TDI — JTAG Test Data In |
| ピン 92 | TMS — JTAG Test Mode Select |
| ピン 93 | TCK — JTAG Test Clock |
| ピン 94 | nSTATUS — Programming status output (active-low) |
| ピン 95 | CONF_DONE — Configuration done output |
| ピン 96 | I/O — User I/O pin (bank 4) |
| ピン 97 | I/O — User I/O pin (bank 4) |
| ピン 98 | I/O — User I/O pin (bank 4) |
| ピン 99 | I/O — User I/O pin (bank 4) |
| ピン 100 | I/O — User I/O pin (bank 4) |
| ピン 101 | GND — Ground |
| ピン 102 | I/O — User I/O pin (bank 4) |
| ピン 103 | I/O — User I/O pin (bank 4) |
| ピン 104 | I/O — User I/O pin (bank 4) |
| ピン 105 | I/O — User I/O pin (bank 4) |
| ピン 106 | I/O — User I/O pin (bank 4) |
| ピン 107 | I/O — User I/O pin (bank 4) |
| ピン 108 | I/O — User I/O pin (bank 4) |
| ピン 109 | I/O — User I/O pin (bank 4) |
| ピン 110 | I/O — User I/O pin (bank 4) |
| ピン 111 | I/O — User I/O pin (bank 4) |
| ピン 112 | VCCINT — Core supply voltage (3.3V) |
| ピン 113 | I/O — User I/O pin (bank 3) |
| ピン 114 | I/O — User I/O pin (bank 3) |
| ピン 115 | I/O — User I/O pin (bank 3) |
| ピン 116 | I/O — User I/O pin (bank 3) |
| ピン 117 | I/O — User I/O pin (bank 3) |
| ピン 118 | I/O — User I/O pin (bank 3) |
| ピン 119 | I/O — User I/O pin (bank 3) |
| ピン 120 | GND — Ground |
| ピン 121 | I/O — User I/O pin (bank 3) |
| ピン 122 | I/O — User I/O pin (bank 3) |
| ピン 123 | I/O — User I/O pin (bank 3) |
| ピン 124 | I/O — User I/O pin (bank 3) |
| ピン 125 | I/O — User I/O pin (bank 3) |
| ピン 126 | I/O — User I/O pin (bank 3) |
| ピン 127 | I/O — User I/O pin (bank 3) |
| ピン 128 | I/O — User I/O pin (bank 3) |
| ピン 129 | I/O — User I/O pin (bank 3) |
| ピン 130 | VCCIO — I/O supply voltage (3.3V/2.5V) |
| ピン 131 | I/O — User I/O pin (bank 2) |
| ピン 132 | I/O — User I/O pin (bank 2) |
| ピン 133 | I/O — User I/O pin (bank 2) |
| ピン 134 | I/O — User I/O pin (bank 2) |
| ピン 135 | I/O — User I/O pin (bank 2) |
| ピン 136 | I/O — User I/O pin (bank 2) |
| ピン 137 | I/O — User I/O pin (bank 2) |
| ピン 138 | GND — Ground |
| ピン 139 | I/O — User I/O pin (bank 2) |
| ピン 140 | I/O — User I/O pin (bank 2) |
| ピン 141 | TDO — JTAG Test Data Out |
| ピン 142 | I/O — User I/O pin (bank 1) |
| ピン 143 | I/O — User I/O pin (bank 1) |
| ピン 144 | I/O — User I/O pin (bank 1) |
主な用途
EPM3256AT1144-10S の用途: 6 件s: Industrial Controller Glue Logic, Telecom Line-Card Interface Bridging, Point-of-Sale Terminal I/O Expansion, Test & Measurement Front-End Logic, Legacy 5V Peripheral Interfacing, State-Machine Controller.
Industrial Controller Glue Logic
The EPM3256AT1144-10S consolidates address decoding, bus arbitration, and peripheral-chip-enable generation into a single non-volatile device in industrial PLC and motor-controller boards. Its 256 macrocells comfortably absorb dozens of decoded selects, watchdog timers, and PWM synchronizers that would otherwise require multiple 74-series logic gates. The 10 ns tPD is sufficient for 16-bit ISA-style buses at 33 MHz, and the 3.3V core plus 5V-tolerant I/O let it bridge between legacy 5V sensors and modern 3.3V microcontrollers on the same board.
おすすめ
Telecom Line-Card Interface Bridging
In telecom line cards the EPM3256AT1144-10S bridges between backplane buses (e.g., H.110 or CompactPCI) and per-channel framer/serializer ASICs, providing bus-width conversion, parity generation, and interrupt steering. Its 212 available user I/Os in the TQFP-144 package handle 32-bit wide datapaths plus side-band control signals. EEPROM-based instant-on configuration eliminates the boot delay of SRAM-based FPGAs, making the device attractive for line cards that must respond to backplane polling within milliseconds of power-up.
おすすめ
Point-of-Sale Terminal I/O Expansion
POS terminals integrate keypads, magnetic-stripe readers, thermal printers, displays, and Ethernet controllers - each with different bus widths and timing requirements. The EPM3256AT1144-10S acts as a multi-protocol bus arbiter and I/O expander, replacing 4-6 discrete PAL/GAL devices with a single 256-macrocell CPLD. The instant-on EEPROM configuration avoids the configuration-time delay of an SRAM FPGA at power-up, ensuring the terminal is ready for first-card insertion within milliseconds.
おすすめ
Test & Measurement Front-End Logic
Bench-top oscilloscopes, logic analyzers, and data-acquisition front-ends use the EPM3256AT1144-10S to implement trigger-pattern matching, channel-to-channel skew correction, and front-panel knob/switch multiplexing. The deterministic 10 ns pin-to-pin delay simplifies timing-budget calculations across the analog front end. The MultiVolt I/O allows the same CPLD to interface with 5V analog ASICs and 3.3V FPGAs in the same signal chain, removing external level shifters.
おすすめ
Legacy 5V Peripheral Interfacing
Modern 1.8V or 3.3V ASICs and microcontrollers often need to drive 5V legacy peripherals (industrial sensors, vacuum-fluorescent displays, older parallel-port chips). The EPM3256AT1144-10S's 5V-tolerant MultiVolt I/O provides a level-shifting bridge without external buffers, while its 3.3V core keeps power dissipation reasonable. This application exploits the unique 5V-tolerant I/O of the MAX 3000A family, a feature not available on most newer CPLD families.
おすすめ
State-Machine Controller
The EPM3256AT1144-10S implements complex registered state machines in a single device - up to 16 LABs each containing 16 macrocells can encode deeply nested FSMs that would otherwise require multiple PLDs. Product-term borrowing across LABs allows wide fan-in states (16-20 inputs) for protocol encoders, sequencers, and multi-stage controllers. The non-volatile EEPROM configuration preserves state-machine logic through power cycles without external boot memory.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: EPM3256AT1144-10S — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | EPM3256ATC144-10N | EPM3256ATI144-10N | EPM3128ATC144-10N | EPM3128ATI144-10 |
|---|---|---|---|---|---|
| Brand | Intel | Intel | Intel | Intel | Intel |
| Package | TQFP-144 | TQFP-144 (same) | TQFP-144 (same) | TQFP-144 (same) | TQFP-144 (same) |
| Macrocells | 256 | 256 | 256 | 128 (-50%) | 128 (-50%) |
| Pin-to-Pin Delay (tPD) | 10 ns | 10 ns | 10 ns | 10 ns | 10 ns |
| Operating Temperature | 0C to +85C | 0C to +85C (commercial) | -40C to +85C (industrial) | 0C to +85C (commercial) | -40C to +85C (industrial) |
| Core Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| 5V-Tolerant I/O | Yes | Yes | Yes | Yes | Yes |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND |
主な差別化要因
- Highest user I/O count in the MAX 3000A TQFP-144 family （vs EPM3128ATC144-10N)
- 256 macrocells in a single TQFP-144 device （vs EPM3128ATC144-10N)
- 5V-tolerant MultiVolt I/O with 3.3V core （vs MAX II family (EPM240T100C5N))
設計ノート
The TQFP-144 package has a 0.5 mm pitch with thermal/exposed-pad requirements that demand careful PCB layout. Use at least 4-layer stack-up with a solid ground plane directly beneath the device to provide low-inductance return paths for the 212 high-speed I/O signals. JTAG traces (TDI, TDO, TMS, TCK, nSTATUS, CONF_DONE) should be kept short and length-matched for reliable in-system programming at higher TCK frequencies. Decoupling: place one 100 nF ceramic capacitor per VCCINT and VCCIO pin pair within 2 mm of the package, plus a 10 µF bulk capacitor near the device for low-frequency decoupling.
Although the MAX 3000A is not an SRAM-based FPGA and does not require special boot sequencing, simultaneous-switching output (SSO) noise can still corrupt adjacent analog signals when many I/O pins toggle together. Limit SSO count to 16-20 outputs per bank at full drive strength, or use the Quartus II slow-slew-rate option to reduce di/dt. For 5V-interfacing pins, observe the maximum source-current spec (per-pin and per-bank) from the datasheet; exceeding these limits can cause permanent device damage. Series-termination resistors (22-33 ohm) on clock outputs help control overshoot on long traces.
A common mistake is using Quartus Prime without installing the legacy MAX 3000A device support package - synthesis will fail with "device not supported" errors. Engineers should also note that the EPM3256AT1144-10S uses a non-volatile EEPROM configuration, so any logic change requires a JTAG re-programming cycle (typically 1-3 seconds with ByteBlasterMV or USB-Blaster cables). Mixing industrial-temperature and commercial-temperature MAX 3000A parts on the same JTAG chain is permitted only when the chain software is configured to match the lowest-temperature part in the chain.
コンプライアンス情報
RoHS/REACH compliance status depends on specific date code; request CoC from authorized distributor. MAX 3000A is a commercial/industrial product line not AEC-Q100 qualified for automotive applications.
