XC2C32A-4VQ44C - 32-Macrocell 1.8V CPLD | AMD | TQFP-44
料号： XC2C32A-4VQ44C ✗ 停产XC2C32A-4VQ44C 概述
A CPLD is a user-programmable semiconductor that belongs to the programmable-logic hierarchy alongside FPGAs. Unlike a fixed combinational or sequential logic circuit, a CPLD allows logic assignments to be changed through programming. The CoolRunner-II architecture combines programmable logic with I/O resources, making the XC2C32A useful where deterministic short propagation delays, compact implementation, and nonvolatile configuration are important.
Key features include 32 macrocells, 750 equivalent gates, 33 user I/O pins, 3.0 ns pin-to-pin logic delays, and low quiescent current as low as 12 uA. The -4 speed designation identifies the manufacturer's speed grade, while the C suffix identifies the stated commercial operating-temperature variant. The device uses 0.18 um CMOS technology and is optimized for 1.8 V systems.
The XC2C32A architecture is intended for designs requiring moderate logic density rather than FPGA-scale processing. Its macrocell-based structure can support control logic, state machines, bus decoding, address decoding, and protocol interface glue. Available operating specifications include a 6 x 6 mm package body, 0.50 mm pitch, and 44 pins, although the complete physical package drawing is identified by conflicting secondary listings.
Typical applications include industrial control and automation, embedded system support logic, communication-interface glue, legacy peripheral interconnection, and compact programmable control modules. The 33 user I/Os allow the device to connect external sensors, memory interfaces, status indicators, and peripheral control signals while keeping the design compact.
Designers should verify the exact pinout, I/O standards, power requirements, configuration interface, and timing constraints in AMD document DS310 before layout. Because secondary sources disagree on whether the physical package is a 44-pin TQFP or a 56-contact CSP representation, the manufacturer pinout drawing is the controlling reference. Do not substitute a similarly named XC2C32A speed grade without reviewing its timing grade and temperature suffix.
This page combines verified manufacturer and distributor information with price references as of 2026-10-28, same-family drop-in candidates, comparison parameters, and practical selection guidance. It also distinguishes directly supported facts from specification fields that require confirmation from the manufacturer datasheet.
直接替换替代料： XC2C32A-4VQ44C ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： XC2C32A-4VQ44C （相同外形与封装尺寸） ——差异在于 Device Type, Package Type, Process Technology, Quiescent Current.
XC2C32A-4VQG44C
✅ 直接替换📋 参考替代料（不在目录中）
XC2C32A-3VQ44C
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
XC2C32A-5VQ44C
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
XC2C32A-6VQG44C
✅ 直接替换📋 参考替代料（不在目录中）
XC2C32A-7VQ44C
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
XC2C32A-4VQ44C 最大额定值与电气特性
| Device Type | CoolRunner-II complex programmable logic device (CPLD) |
| Macrocell Count | 32 macrocells |
| Equivalent Logic Gates | 750 gates |
| User I/O Count | 33 pins |
| Internal Frequency | 450 MHz |
| Listed Propagation Delay | 4 ns |
| Fastest Pin-to-Pin Logic Delay | 3.0 ns |
| 静态电流 | 12 uA minimum |
| 电源电压 | 1.8 V |
| Process Technology | 0.18 um CMOS |
| Logic Family | CMOS |
| Package Pins | 44 pins |
| Package Body | 6 x 6 mm |
| Package Pitch | 0.50 mm |
| Package Type | TQFP-44 |
| 安装类型 | Surface mount |
| RoHS 状态 | RoHS non-compliant |
XC2C32A-4VQ44C tqfp-44 引脚配置指南
XC2C32A-4VQ44C（tqfp-44 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： XC2C32A-4VQ44C.
请参阅 数据手册 以查看完整引脚配置。
典型应用
XC2C32A-4VQ44C 适用于 6 应用s: Industrial Control and Automation, Embedded Interface Glue, Communication Protocol Conditioning, Legacy Peripheral Interconnection, Status and Alarm Logic, Data Acquisition Support Logic.
Industrial Control and Automation
The XC2C32A-4VQ44C fits compact industrial control logic where 32 macrocells, 33 user I/Os, and a listed 4 ns propagation delay provide enough resources for sequencing and interface decisions without an FPGA. It can implement state machines, actuator interlocks, sensor decoding, and alarm logic. Its 1.8 V supply suits modern 1.8 V control electronics. Before release, engineers should verify I/O voltage tolerances, configuration security, and timing margins against AMD document DS310.
推荐
Embedded Interface Glue
The XC2C32A-4VQ44C is useful for bridging dissimilar embedded interfaces when the design requires 33 user I/Os and modest logic depth rather than processor-level programmable logic. The 32-macrocell device can handle address decoding, command framing, interrupt qualification, and bus arbitration around a host microcontroller. Its 1.8 V operation and 3.0 ns fastest listed pin-to-pin delay can help minimize interface overhead. Confirm every external signal's voltage domain in DS310 before connecting legacy 5 V peripherals.
推荐
Communication Protocol Conditioning
The XC2C32A-4VQ44C can condition communication traffic by implementing framing, CRC checks, command validation, and peripheral chip-select logic around a communications controller. Its 32 macrocells and 750 equivalent gates are appropriate for moderate protocol adapters, while the listed 450 MHz internal frequency supports timing-intensive state-machine operation. The 4 ns listed propagation delay is useful for registered protocol paths. Validate setup and hold times, clock-domain assumptions, and I/O standards directly from DS310.
推荐
Legacy Peripheral Interconnection
The XC2C32A-4VQ44C can add programmable control between a modern controller and otherwise incompatible legacy peripherals. Its 33 user I/Os provide parallel connections for chip selects, resets, data qualifiers, and status flags, while 32 macrocells can hold compact decoding and sequencing logic. The 1.8 V core and 44-pin surface-mount package support compact retrofit boards. Designers must verify output drive, input thresholds, and absolute maximum ratings before adapting older interfaces.
推荐
Status and Alarm Logic
The XC2C32A-4VQ44C is well suited to centralized status, alarm, and interlock logic because 32 macrocells can implement multiple parallel decision paths while 33 user I/Os connect sensors, indicators, and system controls. The listed 3.0 ns fastest pin-to-pin delay supports deterministic combinational qualification, and the 1.8 V supply simplifies integration with low-voltage digital systems. For safety-related designs, confirm operating-temperature limits and failure-mode behavior; the supplied data does not provide the target's complete temperature range.
推荐
Data Acquisition Support Logic
The XC2C32A-4VQ44C can provide data-acquisition support functions such as sensor-channel selection, sample sequencing, comparator-output qualification, and control-signal generation. The 33 user I/Os are useful for coordinating multiple acquisition channels, while the 32-macrocell capacity is sufficient for moderate control rather than complex DSP. Its 1.8 V operation fits modern mixed-signal interfaces, but analog thresholds and timing must be validated against the specific sensors and acquisition ICs used in the design.
推荐
推荐产品汇总
工程参考数据： XC2C32A-4VQ44C ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | XC2C32A-4VQG44C | XC2C32A-3VQ44C | XC2C32A-5VQ44C | XC2C32A-6VQG44C | XC2C32A-7VQ44C |
|---|---|---|---|---|---|---|
| Package | TQFP-44 | TQFP-44 - same package | TQFP-44 - same package | TQFP-44 - same package | TQFP-44 - same package | TQFP-44 - same package |
| Brand | AMD | AMD | AMD | AMD | AMD | AMD |
| Macrocell Count | 32 macrocells | 32 macrocells | 32 macrocells | 32 macrocells | 32 macrocells | 32 macrocells |
| User I/O Count | 33 pins | 33 pins | 33 pins | 33 pins | 33 pins | 33 pins |
| Supply Voltage | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| Speed Grade | -4 | -4 | -3 | -5 | -6 | -7 |
关键差异点
- Balanced logic density and I/O availability （对比 XC2C32A-3VQ44C)
- Direct same-speed-orderable family option （对比 XC2C32A-4VQG44C)
- Timing-qualified speed-grade selection （对比 XC2C32A-6VQG44C)
设计说明
Do not select a replacement from the XC2C32A family solely by matching the 44-pin package. The verified results include XC2C32A-4VQG44C and XC2C32A-6VQG44C, while speed-grade changes can materially alter timing. Compare the exact speed grade, temperature suffix, pinout, electrical limits, and configuration compatibility in AMD document DS310 before approving a substitution.
Use the manufacturer package drawing as the authority because one secondary listing describes a 56-contact CSP representation even though the target orderable code and other results identify 44 pins. Verify land geometry, pin-1 orientation, exposed-pad requirements if any, and solder-mask clearance against the exact ordering code. A same-named device with a different package suffix may not be PCB-compatible.
Design the 1.8 V rail with appropriate local decoupling and verify all I/O voltage domains separately from the core supply. The device is optimized for 1.8 V systems, but the supplied evidence does not state every input threshold, output drive level, or mixed-voltage tolerance. Consult DS310 for those limits and avoid assuming that a 1.8 V core permits unrestricted 5 V signaling.
Use registered outputs for high-speed interface paths and account for the target's listed 4 ns propagation delay when establishing setup and hold margins. The fastest stated pin-to-pin delay is 3.0 ns, so the exact tested path and loading condition matter. Run static timing analysis against the selected implementation rather than treating either headline delay as a universal timing guarantee.
合规信息
The supplied GlobalSpec result explicitly identifies RoHS status as non-compliant. No verified data establishes REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification status for this legacy programmable-logic device.