SN74F543 具有三态输出的八路寄存收发器
SN74F543 描述
The SN74F543 octal transceiver contains two sets of D-type latches for temporary storage of data flowing in either direction. 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 outputs are characterized to sink 24 mA while the B outputs are characterized to sink 64 mA.
The A-to-B enable (
) input must be low in order to enter data from A or to output data from B. Having low and low makes the A-to-B latches transparent; a subsequent low-to-high transition of puts the A latches in the storage mode. With and both low, the 3-state B outputs are active and reflect the data present at the output of the A latches.
| SN74F543 | |
| Voltage Nodes(V) | 5 |
| Vcc range(V) | 4.5 to 5.5 |
| Input Level | TTL |
| Output Level | TTL |
| Output Drive(mA) | -15/64 |
| No. of Outputs | 8 |
| Logic | True |
| Static Current | 112.5 |
| th(ns) | 3.5 |
| tpd max(ns) | 8.5 |
| tsu(ns) | 3.5 |
| Technology Family | F |
| Rating | Catalog |
SN74F543 特性
- 3-State True Outputs
- Back-to-Back Registers for Storage
- Package Options Include Plastic Small-Outline and Shrink Small-Outline Packages and Standard Plastic 300-mil DIPs
SN74F543 芯片订购指南
| 器件 | 状态 | 温度 | 价格（美元） | 封装 | 引脚 | 封装数量 | 封装载体 | 丝印标记 |
| SN74F543DW | ACTIVE | 0 to 70 | 9.25 | 1ku | SOIC (DW) | 24 | 25 | TUBE | |
| SN74F543DWE4 | ACTIVE | 0 to 70 | 9.25 | 1ku | SOIC (DW) | 24 | 25 | TUBE | |
| SN74F543DWG4 | ACTIVE | 0 to 70 | 9.25 | 1ku | SOIC (DW) | 24 | 25 | TUBE |
SN74F543 质量与无铅数据
| 器件 | 环保计划* | 铅/焊球涂层 | MSL 等级/回流焊峰 | 环保信息与无铅 (Pb-free) | DPPM / MTBF / FIT 率 |
| SN74F543DW | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74F543DW | SN74F543DW |
| SN74F543DWE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74F543DWE4 | SN74F543DWE4 |
| SN74F543DWG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74F543DWG4 | SN74F543DWG4 |
SN74F543 应用技术支持与电子电路设计开发资源下载
- SN74F543 数据资料 dataSheet 下载.PDF
- TI 德州仪器缓冲器、驱动器/收发器产品选型与价格 . xls
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