74VHC373TTR vs SN74AHC373PWR 对比
详细并排对比 74VHC373TTR 出自 STMicroelectronics 和 SN74AHC373PWR 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。
STMicroelectronics
74VHC373TTR - Octal D-Type Latch, 3-State, TSSOP-20 | STMicroelectronics
74VHC373TTR ✓ 量产中Texas Instruments
SN74AHC373PWR - Octal Transparent D-Type Latch | TI | 20-TSSOP
SN74AHC373PWR ✓ 量产中规格对比
| 参数 | 74VHC373TTR | SN74AHC373PWR |
|---|---|---|
| 品牌 | STMicroelectronics | 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） | $0.16 | $0.17 |
| Logic Type | Octal D-Type Transparent Latch | — |
| Number of Bits | 8 | 8 |
| 输出类型 | 3-State (Non-Inverting) | Tri-State (3-state) |
| Logic Family | VHC (High-Speed CMOS, advanced) | AHC (Advanced High-speed CMOS) |
| Propagation Delay (tPD) | 5.0 ns (typ.) at VCC = 5 V | — |
| Operating Voltage Range (VCC) | 2.0 V to 5.5 V | — |
| Quiescent Supply Current (ICC) | 4 µA (max.) at TA = 25 °C | — |
| Output Drive Current (IOH/IOL) | ±8 mA (min.) | — |
| Input Noise Immunity (VNIH/VNIL) | 28% VCC (min.) | — |
| Balanced Propagation Delays | tPLH ≈ tPHL | — |
| Power-Down Protection | Yes (on inputs) | — |
| Output Voltage Noise (VOLP) | 0.9 V (max.) | — |
| 工作温度范围 | [DATA_NEEDED: operating temperature range] | — |
| 封装 | TSSOP-20 | TSSOP-20 (PW) |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (suffix "TR") | — |
| Pin/Function Compatibility | 74 series 373 (bipolar/HC/HCT) | — |
| Latch-Up Immunity | Improved (vs HC series) | — |
| RoHS 状态 | Compliant | Compliant |
| 功能 | — | Octal Transparent D-Type Latch |
| Number of Channels | — | 1 (8:8) |
| Input Type | — | Standard CMOS |
| VCC Supply Voltage | — | 2 V to 5.5 V |
| Output Current (IOL/IOH) | — | +/-8 mA at 5V |
| Propagation Delay (tpd) | — | 8.5 ns typical at 5V |
| Quiescent Current (ICC) | — | 4 uA typical |
| 工作温度 | — | -40 C to +85 C |
| ESD Protection (HBM) | — | 2000 V per JESD 22 |
| ESD Protection (MM) | — | 200 V per JESD 22 |
| Latch-up Performance | — | Exceeds 250 mA per JESD 17 |