---
source: huluic.cn
data_as_of: 2026-10-13T18:28:00.000Z
max_staleness: 1h
cached: false
source_url: https://huluic.cn/product/stmicroelectronics/STMST3222ECPR/rXONebKq
---

# 元件详情：STMST3222ECPR

- **型号**: STMST3222ECPR
- **oneic 编号**: 390-STMST3222ECPR
- **厂商**: STMicroelectronics N.V.
- **描述**: Dual Transmitter/Receiver RS-232 20-Pin SSOP T/R
- **分类**: 集成电路 / 接口IC / 接口IC

## 规格参数

### 电气参数

| 参数 | 值 |
| --- | --- |
| 数据速率 | 0.25(Min) Mbps |
| 接口 | EIA/TIA-232\|RS-232 |
| 驱动类型 | 3-State |
| 信号类型 | Single-Ended |
| 数据速率（最大） | Point-to-Point |
| 供电电压 | 3.3\|5 V |

### 机械参数

| 参数 | 值 |
| --- | --- |
| 封装形式 | 20SSOP |

### 产品信息

| 参数 | 值 |
| --- | --- |
| 功能 | Line Transmitter/Receiver |
| 通信接口 | RS-232 |
| 发射器数量 | 2 |
| 发射器/接收器数量 | 1 |

## 数据手册

- [Datasheet](http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATASHEET/CD00002952.pdf)

## 实时报价

> 报价接口（需 API Key）：`https://r.huluic.cn/v2/offers/STMST3222ECPR`

> 现货购买：[huluic.cn 产品页](https://huluic.cn/product/stmicroelectronics/STMST3222ECPR/rXONebKq?utm_source=huluic&utm_medium=md&utm_campaign=geo)

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数据来源：[huluic.cn](https://huluic.cn)