SN74LVT125-Q1 具有三态输出的汽车类 3.3V ABT 四路总线缓冲器
SN74LVT125-Q1 描述
This bus buffer is designed specifically for low-voltage (3.3-V) VCC operation, but with the capability to provide a TTL interface to a 5-V system environment.
The SN74LVT125-Q1 features independent line drivers with 3-state outputs. Each output is in the high-impedance state when the associated output-enable (OE) input is high.
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver
| SN74LVT125-Q1 | |
| Voltage Nodes(V) | 3.3, 2.7 |
| Vcc range(V) | 2.7 to 3.6 |
| Logic | True |
| Input Level | TTL/CMOS |
| Output Level | LVTTL |
| Output Drive(mA) | -32/32 |
| No. of Outputs | 4 |
| tpd max(ns) | 4.2 |
| Static Current | 7 |
| Rating | Automotive |
| Technology Family | LVT |
SN74LVT125-Q1 特性
- Qualified for Automotive Applications
- ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
- Supports Mixed-Mode Signal Operation (5-V Input and Output Voltages With 3.3-V VCC)
- Supports Unregulated Battery Operation Down to 2.7 V
- Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C
- Ioff Supports Partial-Power-Down Mode Operation
- Bus-Hold Data Inputs Eliminate the Need for External Pullup Resistors
SN74LVT125-Q1 芯片订购指南
| 器件 | 状态 | 温度 | 价格（美元） | 封装 | 引脚 | 封装数量 | 封装载体 | 丝印标记 |
| SN74LVT125QDRG4Q1 | ACTIVE | -40 to 125 | 1.15 | 1ku | SOIC (D) | 14 | 2500 | LVT125Q |
| SN74LVT125QDRQ1 | ACTIVE | -40 to 125 | 1.15 | 1ku | SOIC (D) | 14 | 2500 | LVT125Q |
SN74LVT125-Q1 质量与无铅数据
| 器件 | 环保计划* | 铅/焊球涂层 | MSL 等级/回流焊峰 | 环保信息与无铅 (Pb-free) | DPPM / MTBF / FIT 率 |
| SN74LVT125QDRG4Q1 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74LVT125QDRG4Q1 | SN74LVT125QDRG4Q1 |
| SN74LVT125QDRQ1 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74LVT125QDRQ1 | SN74LVT125QDRQ1 |
SN74LVT125-Q1 应用技术支持与电子电路设计开发资源下载
- SN74LVT125-Q1 数据资料 dataSheet 下载.PDF
- TI 德州仪器缓冲器、驱动器/收发器产品选型与价格 . xls
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