- 制造厂商：TI
- 产品类别：逻辑和电压转换
- 技术类目：缓冲器、驱动器和收发器 - 同相缓冲器和驱动器
- 功能描述：具有总线保持、TTL 兼容型 CMOS 输入和三态电路的增强型产品 4 通道、2.7V 至 3.6V 缓冲器
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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 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.
- Controlled Baseline
- One Assembly/Test Site, One Fabrication Site
- Extended Temperature Performance of -40°C to 125°C
- Enhanced Diminishing Manufacturing Sources (DMS) Support
- Enhanced Product-Change Notification
- Qualification Pedigree(1)
- 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
Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range. This includes, but is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST, electromigration, bond intermetallic life, and mold compound life. Such qualification testing should not be viewed as justifying use of this component beyond specified performance and environmental limits.
- Technology Family
- LVT
- Supply voltage (Min) (V)
- 2.7
- Supply voltage (Max) (V)
- 3.6
- Number of channels (#)
- 4
- IOL (Max) (mA)
- 32
- ICC (Max) (uA)
- 7000
- IOH (Max) (mA)
- -32
- Input type
- TTL-Compatible CMOS
- Output type
- 3-State
- Features
- Balanced outputs, Ultra high speed (tpd <5ns), Partial power down (Ioff), Over-voltage tolerant inputs, Bus-hold
- Rating
- HiRel Enhanced Product
SN74LVT125-EP的完整型号有：SN74LVT125QPWREP、V62/04705-01XE，以下是这些产品的关键参数及官网采购报价：
SN74LVT125QPWREP，工作温度：-40 to 125，封装：TSSOP (PW)-14，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74LVT125QPWREP的批量USD价格：1.571（1000+）
V62/04705-01XE，工作温度：-40 to 125，封装：TSSOP (PW)-14，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网V62/04705-01XE的批量USD价格：1.571（1000+）
SN74LVT125QPWREP，工作温度：-40 to 125，封装：TSSOP (PW)-14，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74LVT125QPWREP的批量USD价格：1.571（1000+）
V62/04705-01XE，工作温度：-40 to 125，封装：TSSOP (PW)-14，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网V62/04705-01XE的批量USD价格：1.571（1000+）
