MM74C949N vs MM74C948N 对比
详细并排对比 MM74C949N 出自 Texas Instruments 和 MM74C948N 出自 Texas Instruments。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Texas Instruments
MM74C948N - 8-Bit ADC w/ 16-Ch MUX | Texas Instruments | DIP-40
MM74C948N Obsolete规格对比
| 参数 | MM74C949N | MM74C948N |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | Obsolete | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $3.65 | $7.05 |
| 分辨率 | 8 bits | 8 bit |
| Number of Input Channels | 8 (single-ended, multiplexed) | — |
| Conversion Architecture | Successive Approximation (SAR) | — |
| Conversion Time | 116 microseconds (typical) | — |
| 电源电压 | 5 V (single supply) | 5 V (single supply) |
| Analog Input Type | Single-ended, 8-channel MUX | — |
| Digital Interface | 8-bit microprocessor-compatible, tri-state outputs | — |
| 封装 | 28-PDIP (Plastic DIP, 28-pin) | PDIP-40 (N) |
| 工作温度范围 | -40 C to +85 C | — |
| Output Code | Binary (unipolar) | — |
| Technology | CMOS | CMOS |
| Sample-and-Hold | Internal | — |
| Reference | Internal (external reference option [DATA_NEEDED: pin details]) | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status - legacy part predates RoHS directive; check distributor listings] | [DATA_NEEDED: RoHS status - datasheet predates RoHS era] |
| 引脚数量 | 28 | — |
| 安装类型 | Through-Hole (DIP) | Through-Hole |
| 生命周期状态 | Obsolete / End of Life (per GlobalSpec listing) | — |
| Architecture | — | Successive Approximation (SAR) |
| Number of Analog Input Channels | — | 16 (single-ended, multiplexed) |
| Maximum Conversion Time | — | 116 us |
| 接口 | — | Microprocessor-compatible parallel |
| 工作温度 | — | -40C to +85C |
| Temperature Grade | — | Industrial |
| Terminal Form | — | Through-Hole |
| Package Code | — | DIP |
| Number of Terminals | — | 40 |
| Package Shape | — | Rectangular |