SN74LVC244APWR vs SN74LVT244APWR 对比
详细并排对比 SN74LVC244APWR 出自 Texas Instruments 和 SN74LVT244APWR 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。
规格对比
| 参数 | SN74LVC244APWR | SN74LVT244APWR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 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） | $0.21 | $0.29 |
| 功能 | Octal buffer/driver with 3-state outputs | — |
| Output Polarity | Non-inverting | — |
| Configuration | 2 elements, 4 bit per element | — |
| Supply Voltage Range | 1.65 V to 3.6 V | 2.7 V to 3.6 V |
| Input Voltage Tolerance | Up to 5.5 V | — |
| Output Drive Current | +/-24 mA at 3.3 V | [DATA_NEEDED: IOL/IOH] |
| Propagation Delay | 4.3 ns typical at 3.3 V | [DATA_NEEDED: tpd typical] |
| 输出类型 | 3-state | 3-state, non-inverting |
| Output Enable | 2 active-low OE pins (one per nibble) | 2 separate active-low OE inputs |
| Ioff Partial Power Down | Yes | — |
| ESD Protection | 2000 V HBM (JESD 22 A114-A), 1000 V CDM | — |
| Latch-up Performance | Exceeds 100 mA (JESD 78 Class II) | — |
| 工作温度 | -40C to +125C | [DATA_NEEDED: operating temperature range] |
| 封装 | TSSOP (PW), 20 pins | 20-TSSOP (PW) |
| 安装类型 | Surface Mount | Surface Mount |
| Technology | LVC CMOS | — |
| RoHS 状态 | Compliant | Compliant |
| Logic Function | — | Octal buffer / line driver, non-inverting |
| Technology Family | — | LVT (ABT, 3.3V BiCMOS) |
| Input Type | — | TTL-compatible CMOS inputs |
| 通道数 | — | 8 (2 elements x 4 bit) |
| 特性 | — | Bus-hold capable family (per TI product page) |
| Supply Current (Static) | — | [DATA_NEEDED: ICC max] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| Pricing (1 pc) | — | See tiers; as of 2026-09-14 |