PCA9557 具有复位和配置寄存器的远程 8 位 I2C 和 SMBus 低功率 I/O 扩展器

PCA9557
No. of Outputs 2  
Interrupt Output Yes  
fSCLK(Max)(MHz) 400  
VCC(Min)(V) 2.3  
VCC(Max)(V) 5.5  
Pin/Package 24SOIC, 24SSOP, 24SSOP/QSOP, 24TVSOP, 24VQFN
Operating Temperature Range(°C) -40 to 85  
Max Frequency(kHz) 400  
I2C Address 0100 xxx  
# of I/Os 16  
Vcc range(V) 2.3 to 5.5  
Configuration Registers Yes  
5V Tolerant I/O Yes  
Push–Pull I/O Type Yes
PCA9557 特性
PCA9557 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
PCA9557D ACTIVE -40 to 85 1.10 | 1ku SOIC (D) | 16 40 | TUBE  
PCA9557DB ACTIVE -40 to 85 1.10 | 1ku SSOP (DB) | 16 80 | TUBE  
PCA9557DBG4 ACTIVE -40 to 85 1.10 | 1ku SSOP (DB) | 16 80 | TUBE  
PCA9557DBR ACTIVE -40 to 85 0.90 | 1ku SSOP (DB) | 16 2000 | LARGE T&R  
PCA9557DBRG4 ACTIVE -40 to 85 0.90 | 1ku SSOP (DB) | 16 2000 | LARGE T&R  
PCA9557DG4 ACTIVE -40 to 85 1.10 | 1ku SOIC (D) | 16 40 | TUBE  
PCA9557DGVR ACTIVE -40 to 85 0.90 | 1ku TVSOP (DGV) | 16 2000 | LARGE T&R  
PCA9557DGVRG4G4 ACTIVE -40 to 85 0.90 | 1ku TVSOP (DGV) | 16 2000 | LARGE T&R  
PCA9557DR ACTIVE -40 to 85 0.90 | 1ku SOIC (D) | 16 2500 | LARGE T&R  
PCA9557DRG4 ACTIVE -40 to 85 0.90 | 1ku SOIC (D) | 16 2500 | LARGE T&R  
PCA9557DT ACTIVE -40 to 85 1.05 | 1ku SOIC (D) | 16 250 | SMALL T&R  
PCA9557DTG4 ACTIVE -40 to 85 1.05 | 1ku SOIC (D) | 16 250 | SMALL T&R  
PCA9557PW ACTIVE -40 to 85 1.10 | 1ku TSSOP (PW) | 16 90 | TUBE  
PCA9557PWG4 ACTIVE -40 to 85 1.10 | 1ku TSSOP (PW) | 16 90 | TUBE  
PCA9557PWR ACTIVE -40 to 85 0.90 | 1ku TSSOP (PW) | 16 2000 | LARGE T&R  
PCA9557PWRG4 ACTIVE -40 to 85 0.90 | 1ku TSSOP (PW) | 16 2000 | LARGE T&R  
PCA9557PWT ACTIVE -40 to 85 1.05 | 1ku TSSOP (PW) | 16 250 | SMALL T&R  
PCA9557PWTG4 ACTIVE -40 to 85 1.05 | 1ku TSSOP (PW) | 16 250 | SMALL T&R  
PCA9557RGVR ACTIVE -40 to 85 0.90 | 1ku VQFN (RGV) | 16 2500 | LARGE T&R  
PCA9557RGVRG4 ACTIVE -40 to 85 0.90 | 1ku VQFN (RGV) | 16 2500 | LARGE T&R  
PCA9557RGYR ACTIVE -40 to 85 0.90 | 1ku VQFN (RGY) | 16 3000 | LARGE T&R  
PCA9557RGYRG4 ACTIVE -40 to 85 0.90 | 1ku VQFN (RGY) | 16 3000 | LARGE T&R  
PCA9557 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
PCA9557D Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557D PCA9557D
PCA9557DB Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557DB PCA9557DB
PCA9557DBG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557DBG4 PCA9557DBG4
PCA9557DBR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557DBR PCA9557DBR
PCA9557DBRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557DBRG4 PCA9557DBRG4
PCA9557DG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557DG4 PCA9557DG4
PCA9557DGVR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557DGVR PCA9557DGVR
PCA9557DGVRG4G4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557DGVRG4G4 PCA9557DGVRG4G4
PCA9557DR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557DR PCA9557DR
PCA9557DRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557DRG4 PCA9557DRG4
PCA9557DT Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557DT PCA9557DT
PCA9557DTG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557DTG4 PCA9557DTG4
PCA9557PW Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557PW PCA9557PW
PCA9557PWG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557PWG4 PCA9557PWG4
PCA9557PWR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557PWR PCA9557PWR
PCA9557PWRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557PWRG4 PCA9557PWRG4
PCA9557PWT Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557PWT PCA9557PWT
PCA9557PWTG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM PCA9557PWTG4 PCA9557PWTG4
PCA9557RGVR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR PCA9557RGVR PCA9557RGVR
PCA9557RGVRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR PCA9557RGVRG4 PCA9557RGVRG4
PCA9557RGYR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR PCA9557RGYR PCA9557RGYR
PCA9557RGYRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR PCA9557RGYRG4 PCA9557RGYRG4
PCA9557 应用技术支持与电子电路设计开发资源下载
  1. PCA9557 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器I2C 逻辑器件产品选型与价格 . xls
  3. Logic Guide 2009 (PDF 4263 KB)
  4. Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
  5. Understanding and Interpreting Standard-Logic Data Sheets (PDF 857 KB)
  6. TI IBIS File Creation, Validation, and Distribution Processes (PDF 380 KB)
  7. Implications of Slow or Floating CMOS Inputs (PDF 101 KB)
  8. CMOS Power Consumption and CPD Calculation (PDF 89 KB)
  9. Designing With Logic (PDF 186 KB)
  10. Live Insertion (PDF 150 KB)
  11. Input and Output Characteristics of Digital Integrated Circuits (PDF 1708 KB)
  12. Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc (PDF 43 KB)
  13. HiRel Unitrode Power Management Brochure (PDF 206 KB)
  14. LOGIC Pocket Data Book (PDF 6001 KB)
  15. HiRel Unitrode Power Management Brochure (PDF 206 KB)
  16. Logic Cross-Reference (PDF 2938 KB)