PCA9545A 具有中断逻辑和复位功能的 4 通道 I2C 和 SMBus 多路复用器
| PCA9545A | |
| tpd max(ns) | 1 |
| Interrupt Output | Yes |
| fSCLK(Max)(MHz) | 400 |
| VCC(Min)(V) | 2.3 |
| VCC(Max)(V) | 5.5 |
| Pin/Package | 20SOIC, 20TSSOP, 20TVSOP, 20BGA MICROSTAR JUNIOR, 20VQFN |
| Operating Temperature Range(°C) | -40 to 85 |
| Max Frequency(kHz) | 400 |
| I2C Address | 1110 0xx |
| Vcc range(V) | 2.3 to 5.5 |
| Channel Width | 4 |
| Reset Input | Yes |
| Simultaneously Active Channels | 1 to 4 |
| 5V Tolerant I/O | Yes |
| Open–Drain I/O Type | Yes |
PCA9545A 特性
- 1-of-4 Bidirectional Translating Switches
- I2C Bus and SMBus Compatible
- Four Active-Low Interrupt Inputs
- Active-Low Interrupt Output
- Active-Low Reset Input
- Two Address Pins, Allowing up to Four Devices on the I2C Bus
- Channel Selection Via I2C Bus, In Any Combination
- Power Up With All Switch Channels Deselected
- Low RON Switches
- Allows Voltage-Level Translation Between 1.8-V, 2.5-V, 3.3-V, and 5-V Buses
- No Glitch on Power Up
- Supports Hot Insertion
- Low Standby Current
- Operating Power-Supply Voltage Range of 2.3 V to 5.5 V
- 5.5-V Tolerant Inputs
- 0 to 400-kHz Clock Frequency
- Latch-Up Performance Exceeds 100 mA Per JESD 78
- ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
PCA9545A 芯片订购指南
| 器件 | 状态 | 温度 | 价格 | 封装 | 引脚 | 封装数量 | 封装载体 | 丝印标记 |
| PCA9545ADGVR | ACTIVE | -40 to 85 | 0.95 | 1ku | TVSOP (DGV) | 20 | 2000 | LARGE T&R | |
| PCA9545ADGVRG4 | ACTIVE | -40 to 85 | 0.95 | 1ku | TVSOP (DGV) | 20 | 2000 | LARGE T&R | |
| PCA9545ADW | ACTIVE | -40 to 85 | 1.15 | 1ku | SOIC (DW) | 20 | 25 | TUBE | |
| PCA9545ADWG4 | ACTIVE | -40 to 85 | 1.15 | 1ku | SOIC (DW) | 20 | 25 | TUBE | |
| PCA9545ADWR | ACTIVE | -40 to 85 | 0.95 | 1ku | SOIC (DW) | 20 | 2000 | LARGE T&R | |
| PCA9545ADWRG4 | ACTIVE | -40 to 85 | 0.95 | 1ku | SOIC (DW) | 20 | 2000 | LARGE T&R | |
| PCA9545AGQNR | NRND | -40 to 85 | 2.00 | 1ku | BGA MICROSTAR JUNIOR (GQN) | 20 | 1000 | LARGE T&R | |
| PCA9545APW | ACTIVE | -40 to 85 | 1.15 | 1ku | TSSOP (PW) | 20 | 70 | TUBE | |
| PCA9545APWE4 | ACTIVE | -40 to 85 | 1.15 | 1ku | TSSOP (PW) | 20 | 70 | TUBE | |
| PCA9545APWG4 | ACTIVE | -40 to 85 | 1.15 | 1ku | TSSOP (PW) | 20 | 70 | TUBE | |
| PCA9545APWR | ACTIVE | -40 to 85 | 0.95 | 1ku | TSSOP (PW) | 20 | 2000 | LARGE T&R | |
| PCA9545APWRE4 | ACTIVE | -40 to 85 | 0.95 | 1ku | TSSOP (PW) | 20 | 2000 | LARGE T&R | |
| PCA9545APWRG4 | ACTIVE | -40 to 85 | 0.95 | 1ku | TSSOP (PW) | 20 | 2000 | LARGE T&R | |
| PCA9545APWT | ACTIVE | -40 to 85 | 1.10 | 1ku | TSSOP (PW) | 20 | 250 | SMALL T&R | |
| PCA9545APWTE4 | ACTIVE | -40 to 85 | 1.10 | 1ku | TSSOP (PW) | 20 | 250 | SMALL T&R | |
| PCA9545APWTG4 | ACTIVE | -40 to 85 | 1.10 | 1ku | TSSOP (PW) | 20 | 250 | SMALL T&R | |
| PCA9545ARGYR | ACTIVE | -40 to 85 | 0.95 | 1ku | VQFN (RGY) | 20 | 3000 | LARGE T&R | |
| PCA9545ARGYRG4 | ACTIVE | -40 to 85 | 0.95 | 1ku | VQFN (RGY) | 20 | 3000 | LARGE T&R | |
| PCA9545AZQNR | ACTIVE | -40 to 85 | 0.95 | 1ku | BGA MICROSTAR JUNIOR (GQN) | 20 | 1000 | LARGE T&R |
PCA9545A 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 |
| PCA9545ADGVR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | PCA9545ADGVR | PCA9545ADGVR |
| PCA9545ADGVRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | PCA9545ADGVRG4 | PCA9545ADGVRG4 |
| PCA9545ADW | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | PCA9545ADW | PCA9545ADW |
| PCA9545ADWG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | PCA9545ADWG4 | PCA9545ADWG4 |
| PCA9545ADWR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | PCA9545ADWR | PCA9545ADWR |
| PCA9545ADWRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | PCA9545ADWRG4 | PCA9545ADWRG4 |
| PCA9545AGQNR | TBD | SNPB | Level-1-240C-UNLIM | PCA9545AGQNR | PCA9545AGQNR |
| PCA9545APW | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | PCA9545APW | PCA9545APW |
| PCA9545APWE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | PCA9545APWE4 | PCA9545APWE4 |
| PCA9545APWG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | PCA9545APWG4 | PCA9545APWG4 |
| PCA9545APWR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | PCA9545APWR | PCA9545APWR |
| PCA9545APWRE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | PCA9545APWRE4 | PCA9545APWRE4 |
| PCA9545APWRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | PCA9545APWRG4 | PCA9545APWRG4 |
| PCA9545APWT | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | PCA9545APWT | PCA9545APWT |
| PCA9545APWTE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | PCA9545APWTE4 | PCA9545APWTE4 |
| PCA9545APWTG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | PCA9545APWTG4 | PCA9545APWTG4 |
| PCA9545ARGYR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | PCA9545ARGYR | PCA9545ARGYR |
| PCA9545ARGYRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | PCA9545ARGYRG4 | PCA9545ARGYRG4 |
| PCA9545AZQNR | Green (RoHS & no Sb/Br) | SNAGCU | Level-1-260C-UNLIM | PCA9545AZQNR | PCA9545AZQNR |
PCA9545A 应用技术支持与电子电路设计开发资源下载
- PCA9545A 数据资料 dataSheet 下载.PDF
- TI 德州仪器I2C 逻辑器件产品选型与价格 . xls
- Logic Guide 2009 (PDF 4263 KB)
- Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
- Understanding and Interpreting Standard-Logic Data Sheets (PDF 857 KB)
- TI IBIS File Creation, Validation, and Distribution Processes (PDF 380 KB)
- Implications of Slow or Floating CMOS Inputs (PDF 101 KB)
- CMOS Power Consumption and CPD Calculation (PDF 89 KB)
- Designing With Logic (PDF 186 KB)
- Live Insertion (PDF 150 KB)
- Input and Output Characteristics of Digital Integrated Circuits (PDF 1708 KB)
- Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc (PDF 43 KB)
- HiRel Unitrode Power Management Brochure (PDF 206 KB)
- LOGIC Pocket Data Book (PDF 6001 KB)
- HiRel Unitrode Power Management Brochure (PDF 206 KB)
- Logic Cross-Reference (PDF 2938 KB)
