SN74LVCZ245A_TI 具有三态输出的八路总线收发器

SN74LVCZ245A的基本参数

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
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SN74LVCZ245A的产品详情：

This octal bus transceiver is designed for 2.7-V to 3.6-V V_CC operation.

The SN74LVCZ245A is designed for asynchronous communication between data buses. The device transmits data 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 the buses are effectively isolated.

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of this device as a translator in a mixed 3.3-V/5-V system environment.

When V_CC is between 0 and 1.5 V, the device is 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 V_CC 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 hot-insertion applications using I_off and power-up 3-state. The I_off circuitry disables the outputs, preventing damaging current backflow through the device when it is 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.

SN74LVCZ245A的优势和特性：

Operate From 2.7 V to 3.6 V
Inputs Accept Voltages to 5.5 V
Max tpd of 6.3 ns at 3.3 V
Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA= 25°C
Typical VOHV (Output VOH Undershoot) >2 V at VCC = 3.3 V, TA = 25°C
Ioff and Power-Up 3-State Support Hot Insertion
Support Mixed-Mode Signal Operation on All Ports (5-V Input/Output Voltage With 3.3-V VCC)
Latch-Up Performance Exceeds 100mA Per JESC 78, Class II

SN74LVCZ245A的参数（英文）：

IOL (Max) (mA)
24
IOH (Max) (mA)
-24
Technology Family
LVC
Rating
Catalog
Operating temperature range (C)
-40 to 85

SN74LVCZ245A具体的完整产品型号参数及价格（美元）：

SN74LVCZ245A的完整型号有：SN74LVCZ245ADBR、SN74LVCZ245ADWR、SN74LVCZ245ANSR、SN74LVCZ245APW、SN74LVCZ245APWR、SN74LVCZ245APWT，以下是这些产品的关键参数及官网采购报价：

SN74LVCZ245ADBR，工作温度：-40 to 85，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SN74LVCZ245ADBR的批量USD价格：.63（1000+）

SN74LVCZ245ADWR，工作温度：-40 to 85，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SN74LVCZ245ADWR的批量USD价格：.572（1000+）

SN74LVCZ245ANSR，工作温度：-40 to 85，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SN74LVCZ245ANSR的批量USD价格：.63（1000+）

SN74LVCZ245APW，工作温度：-40 to 85，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SN74LVCZ245APW的批量USD价格：.687（1000+）

SN74LVCZ245APWR，工作温度：-40 to 85，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SN74LVCZ245APWR的批量USD价格：.572（1000+）

SN74LVCZ245APWT，工作温度：-40 to 85，封装：TSSOP (PW)-20，包装数量MPQ：250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SN74LVCZ245APWT的批量USD价格：.687（1000+）

SN74LVCZ245A的评估套件：

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。

SN74LVCZ245A的电路图解：

SN74LVCZ245A的评估套件：