SN74CBTLV3257PWR vs 74CB3Q3257BQX 对比
详细并排对比 SN74CBTLV3257PWR 出自 Texas Instruments 和 74CB3Q3257BQX 出自 Nexperia。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。
规格对比
| 参数 | SN74CBTLV3257PWR | 74CB3Q3257BQX |
|---|---|---|
| 品牌 | Texas Instruments | Nexperia |
| 分类 | Logic ICs | Logic ICs |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.27 | $0.47 |
| 功能 | 4-Bit 1-of-2 FET Multiplexer/Demultiplexer | FET bus switch / multiplexer-demultiplexer |
| 通道数 | 4 x 2:1 (SPDT) | — |
| ON-State Resistance | 5 ohm (typical) | — |
| Supply Voltage Range | 2.3 V to 3.6 V | — |
| I/O Voltage Tolerance | 5 V (over-voltage tolerant) | — |
| Propagation Delay | 0.25 ns (typical) | — |
| Partial Power-Down Mode | Yes (I/Os high-impedance at VCC = 0 V) | — |
| Output Enable | Yes (OE, active-high) | — |
| Select Input | Yes (S pin) | — |
| Architecture | Pass-gate FET, bidirectional | — |
| 工作温度 | -40C to +85C | -40 C to +85 C |
| 封装 | 16-TSSOP (PW), 5 mm x 6.4 mm | 16-DHVQFN (2.5 x 3.5 mm), SOT763 |
| Package Pitch | 0.65 mm | — |
| 安装类型 | Surface Mount | — |
| RoHS 状态 | Compliant | Compliant |
| 生命周期状态 | Active | — |
| Configuration | — | 4 x 2:1 (SPDT), 4 channels |
| On-Resistance (Ron) | — | 4 ohm typical |
| Ron Flatness | — | Improved (charge-pump biased) |
| Bandwidth | — | [DATA_NEEDED: bandwidth MHz] |
| Supply Voltage (VCC) | — | 2.3 V to 3.6 V |
| Signal Pass Voltage | — | Up to 5 V (when VCC = 3.3 V) |
| Input Type | — | CMOS control, TTL-compatible threshold |
| Select Input (S) | — | 1 (shared across 4 channels) |
| Output Enable (OE) | — | 1, active-HIGH disables all channels |
| Ioff / Partial Power Down | — | Supported |
| ESD Protection | — | [DATA_NEEDED: ESD rating kV] |
| Lead-Free | — | Yes |
| 湿敏等级（MSL） | — | 1 (per JEDEC J-STD-020) |