TEXAS INSTRUMENTS SN74LVTH16543DGGR 收发器, 寄存器, 3态, 2.7V至3.6V, TSSOP-56
The "LVTH16543 devices are 16-bit registered transceivers designed for low-voltage 3.3-V VCC operation, but with the capability to provide a TTL interface to a 5-V system environment. These devices can be used as two 8-bit transceivers or one 16-bit transceiver. Separate latch-enable LEAB\ or LEBA\\\\ and output-enable OEAB\ or OEBA\\\\ inputs are provided for each register to permit independent control in either direction of data flow.
The A-to-B enable CEAB\\\\ input must be low to enter data from A or to output data from B. If CEAB\ is low and LEAB\ is low, the A-to-B latches are transparent; a subsequent low-to-high transition of LEAB\ puts the A latches in the storage mode. With CEAB\ and OEAB\ both low, the 3-state B outputs are active and reflect the data present at the output of the A latches. Data flow from B to A is similar but requires using the CEBA\, LEBA\, and OEBA\ inputs.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
When VCC is between 0 and 1.5 V, the devices are in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 1.5 V, 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.
These devices are fully specified for hot-insertion applications using Ioff and power-up 3-state. The Ioff circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down. The power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down, which prevents driver conflict.
The SN54LVTH16543 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74LVTH16543 is characterized for operation from -40°C to 85°C.
电源电压DC 2.70V min
电路数 2
通道数 16
针脚数 56
位数 16
电压波节 3.30 V, 2.70 V
输出电流驱动 -500 µA
工作温度Max 85 ℃
工作温度Min -40 ℃
电源电压 2.7V ~ 3.6V
电源电压Max 3.6 V
电源电压Min 2.7 V
安装方式 Surface Mount
引脚数 56
封装 TSSOP-56
长度 14 mm
宽度 6.1 mm
高度 1.15 mm
封装 TSSOP-56
工作温度 -40℃ ~ 85℃
产品生命周期 Active
包装方式 Tape & Reel TR
RoHS标准 RoHS Compliant
含铅标准 Lead Free
REACH SVHC标准 No SVHC
REACH SVHC版本 2015/06/15
ECCN代码 EAR99
型号/品牌 | 代替类型 | 替代型号对比 |
---|---|---|
SN74LVTH16543DGGR TI 德州仪器 | 当前型号 | 当前型号 |
74LVTH16543DGGRE4 德州仪器 | 完全替代 | SN74LVTH16543DGGR和74LVTH16543DGGRE4的区别 |
SN74LVT16543DGGR 德州仪器 | 类似代替 | SN74LVTH16543DGGR和SN74LVT16543DGGR的区别 |
74LVTH16543DGGRG4 德州仪器 | 类似代替 | SN74LVTH16543DGGR和74LVTH16543DGGRG4的区别 |