PCA9538DGVR ,Remote 8-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Config Registers 16-TVSOP -40 to 85Maximum Ratingsover operating free-air temperature range (unless otherwise noted)MIN MAX UNITV Supp ..
PCA9538DWR ,Remote 8-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Config Registers 16-SOIC -40 to 85Sample & Support &Product Tools &TechnicalCommunityBuyFolder Documents SoftwarePCA9538SCPS126F–SEPT ..
PCA9538PW ,8-bit I虏C-bus and SMBus low power I/O port with interrupt and resetBlock Diagram... 143 Revision History........ 28.2 Device Functional Modes.... 164 Description (Con ..
PCA9538PW ,8-bit I虏C-bus and SMBus low power I/O port with interrupt and resetFeatures and benefits2 8-bit I C-bus GPIO with interrupt and reset Operating power supply voltage ..
PCA9538PW ,8-bit I虏C-bus and SMBus low power I/O port with interrupt and resetFeatures and benefits2 8-bit I C-bus GPIO with interrupt and reset Operating power supply voltage ..
PCA9538PWR ,Remote 8-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Config Registers 16-TSSOP -40 to 85Electrical Characteristics....... 5211.1 Trademarks..... 276.5 I C Interface Timing Requirements 61 ..
PEMH1 ,NPN/NPN resistor-equipped transistors; R1 = 22 k惟, R2 = 22 k惟Features and benefits 100 mA output current capability Reduces component count Built-in bias re ..
PEMH10 ,R1 = 2.2 kOhm, R2 = 47 kOhmLIMITING VALUESIn accordance with the Absolute Maximum Rating System (IEC 60134).SYMBOL PARAMETER C ..
PEMH11 ,R1 = 10 kOhm, R2 = 10 kOhmapplications1.4 Quick reference data Table 2. Quick reference dataSymbol Parameter Conditions Min T ..
PEMH13 ,R1 = 4.7 kOhm, R2 = 47 kOhmLIMITING VALUESIn accordance with the Absolute Maximum Rating System (IEC 60134).SYMBOL PARAMETER C ..
PEMH14 ,NPN/NPN resistor-equipped transistors; R1 = 47 kOhm, R2 = openLimiting valuesIn accordance with the Absolute Maximum Rating System (IEC 60134).Symbol Parameter C ..
PEMH14 ,NPN/NPN resistor-equipped transistors; R1 = 47 kOhm, R2 = openapplications1.4 Quick reference data Table 2. Quick reference dataSymbol Parameter Conditions Min T ..
PCA9538DB-PCA9538DBR-PCA9538DGVR-PCA9538DWR-PCA9538PW-PCA9538PWR
Remote 8-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Config Registers 16-SSOP -40 to 85
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PCA9538interface [serial clock (SCL), serial• Active-Low Reset Input Operating Power-Supply Voltage Rangeof 2.3V The PCA9538 consists of one 5.5V (inputor output selection), Input Port, Output Port,
and Polarity Inversion (active high low)• 5-V Tolerant I/O Ports registers. At power on, the I/Os as• 400-kHz FastI2C Bus inputs. However, the system master enable the• Two Hardware Address Pins Allowupto Four I/Os as either inputsor outputsbyto the I/O
Deviceson theI2 C/SMBus configuration bits. The data for each outputis
keptin the corresponding Input Port Port• Input/Output Configuration Register register. The polarityof the Input Port can be• Polarity Inversion Register inverted with the Polarity Inversion All• Power-Up WithAll Channels Configuredas Inputs registers canbe readby the system No Glitchon Power Up The system master can reset thein the• Noise Filteron SCL/SDA Inputs eventofa timeout or other improper by
assertinga lowin the RESET input. power-on• Latched Outputs With High-Current Drive reset puts the registersin their state andMaximum Capabilityfor Directly Driving LEDs initializes theI2 C/SMBus state machine. RESET• Latch-Up Performance Exceeds 100 mA Per pin causes the same reset/initialization to occurJESD 78, ClassII without powering down the part. ESD Protection Exceeds JESD22 The PCA9538 open-drain interrupt outputis– 2000-V Human-Body Model (A114-A) activated when any input state from its
corresponding Input Port register stateis usedto– 200-V Machine Model (A115-A)
indicateto the system master that state has– 1000-V Charged-Device Model (C101) changed.
(1) Forall available packages, see the orderable addendumat
the endofthe datasheet.
