- 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 - 通用收发器
- 功能描述:具有三态输出的八路总线收发器
- 点击这里打开及下载SN74LV245AT的技术文档资料
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This octal bus transceiver is designed for asynchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements.
The SN74LV245AT allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so that the buses are effectively isolated.
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.
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.
- Inputs Are TTL-Voltage Compatible
- 4.5-V to 5.5-V VCC Operation
- Typical tpd of 3.5 ns at 5 V
- Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 5 V, TA = 25°C
- Typical VOHV (Output VOH Undershoot) >2.3 V at VCC = 5 V, TA = 25°C
- Supports Mixed-Mode Voltage Operation on All Ports
- Ioff Supports Partial-Power-Down Mode Operation
- Latch-Up Performance Exceeds 250 mA Per JESD 17
- ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 1000-V Charged-Device Model (C101)
- IOL (Max) (mA)
- 16
- IOH (Max) (mA)
- -16
- Technology Family
- LV-AT
- Rating
- Catalog
- Operating temperature range (C)
- -40 to 125, -40 to 85
SN74LV245AT的完整型号有:SN74LV245ATDBR、SN74LV245ATDGVR、SN74LV245ATDW、SN74LV245ATDWR、SN74LV245ATNSR、SN74LV245ATPW、SN74LV245ATPWR、SN74LV245ATRGYR,以下是这些产品的关键参数及官网采购报价:
SN74LV245ATDBR,工作温度:-40 to 125,封装:SSOP (DB)-20,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SN74LV245ATDBR的批量USD价格:.198(1000+)
SN74LV245ATDGVR,工作温度:-40 to 125,封装:TVSOP (DGV)-20,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SN74LV245ATDGVR的批量USD价格:.198(1000+)
SN74LV245ATDW,工作温度:-40 to 125,封装:SOIC (DW)-20,包装数量MPQ:25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SN74LV245ATDW的批量USD价格:.398(1000+)
SN74LV245ATDWR,工作温度:-40 to 125,封装:SOIC (DW)-20,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SN74LV245ATDWR的批量USD价格:.198(1000+)
SN74LV245ATNSR,工作温度:-40 to 125,封装:SO (NS)-20,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SN74LV245ATNSR的批量USD价格:.198(1000+)
SN74LV245ATPW,工作温度:-40 to 125,封装:TSSOP (PW)-20,包装数量MPQ:70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SN74LV245ATPW的批量USD价格:.398(1000+)
SN74LV245ATPWR,工作温度:-40 to 125,封装:TSSOP (PW)-20,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SN74LV245ATPWR的批量USD价格:.198(1000+)
SN74LV245ATRGYR,工作温度:-40 to 85,封装:VQFN (RGY)-20,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网SN74LV245ATRGYR的批量USD价格:.208(1000+)
14-24-LOGIC-EVM — 支持 14 到 24 引脚 PW、DB、D、DW、NS、DYY 和 DGV 封装的通用逻辑 EVM
该 EVM 设计用于支持采用 14 至 24 引脚 D、DW、DB、NS、PW、DYY 或 DGV 封装的任何逻辑器件。
14-24-NL-LOGIC-EVM — Generic 14 through 24 pin non-leaded package evaluation module
Flexible EVM designed to support any logic or translation device that has a BQA, BQB, RGY (14-24 pin), RSV, RJW, or RHL package.