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

• Low Standby Current Consumption of 1 uA Max
• I2C to Parallel Port Expander
• Operating Power-Supply Voltage Range of 2.3 V to 5.5 V
• 5-V Tolerant I/O Ports
• 400-kHz Fast I2C Bus
• Three Hardware Address Pins Allow for Use of up to Eight Devices on I2C/SMBus
• Lower-Voltage Higher-Performance Migration Path for PCA9556
• Input/Output Configuration Register
• Polarity Inversion Register
• Active-Low Reset Input
• Internal Power-On Reset
• High-Impedance Open Drain on P0
• Power Up With All Channels Configured as Inputs
• No Glitch on Power Up
• Noise Filter on SCL/SDA Inputs
• Latched Outputs With High Current Drive Maximum Capability for Directly Driving LEDs
• Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
• ESD Protection Exceeds JESD 22
  • 2000-V Human-Body Model (A114-A)
  • 200-V Machine Model (A115-A)

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)