The 'ACT16543 are 16-bit registered transceivers that contain two sets of D-type latches for temporary storage of data flowing in either direction. The 'ACT16543 can be used as two 8-bit transceivers or one 16-bit transceiver. Separate latch enable ( or ) and output-enable ( or ) inputs are provided for each register to permit independent control in either direction of data flow.

The A-to-B enable () and inputs must be low to enter data from A or to output data to B. Having CEAB\ low and LEAB\ low makes the A-to-B latches transparent; a subsequent low-to-high transition at puts the A latches in the storage mode. Data flow from B to A is similar, but requires using the , , and inputs.

The 74ACT16543 is packaged in TI's shrink small-outline package, which provides twice the functionality of standard small-outline packages in the same printed-circuit-board area.

The 54ACT16543 is characterized for operation over the full military temperature range of -55°C to 125°C. The 74ACT16543 is characterized for operation from -40°C to 85°C.

• Members of the Texas Instruments WidebusTM Family
• Inputs Are TTL-Voltage Compatible
• 3-State True Outputs
• Flow-Through Architecture Optimizes PCB Layout
• Distributed VCC and GND Pin Configurations Minimize High-Speed Switching Noise
• EPICTM (Enhanced-Performance Implanted CMOS) 1-m Process
• 500-mA Typical Latch-Up Immunity at 125°C
• Package Options Include Plastic Thin Shrink Small-Outline (DGG) and 300-mil Shrink Small-Outline (DL) Packages Using 25-mil Center-to-Center Pin Spacings, and 380-mil Fine-Pitch Ceramic Flat (WD) Packages Using 25-mil Center-to-Center Pin Spacings

EPIC and Widebus are trademarks of Texas Instruments Incorporated.

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

74ACT16543的完整型号有：74ACT16543DGGR、74ACT16543DL、74ACT16543DLR，以下是这些产品的关键参数及官网采购报价：

74ACT16543DGGR，工作温度：-40 to 85，封装：TSSOP (DGG)-56，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74ACT16543DGGR的批量USD价格：.855（1000+）

74ACT16543DL，工作温度：-40 to 85，封装：SSOP (DL)-56，包装数量MPQ：20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74ACT16543DL的批量USD价格：1.01（1000+）

74ACT16543DLR，工作温度：-40 to 85，封装：SSOP (DL)-56，包装数量MPQ：1000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74ACT16543DLR的批量USD价格：.855（1000+）