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Details for TCA9555PWR by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Driver & Interface ICs
I/O EXPANDER 16BIT 400KHZ TSSOP-24
TCA9555PWR image

TCA9555PWR by Texas Instruments

I/O EXPANDER 16BIT 400KHZ TSSOP-24
Features
400-kHz Fast I2 C Bus
5-V Tolerant I/O Ports
Compatible With Most Microcontrollers
Configurable Slave Address with 3 Address Pins
ESD Protection Exceeds JESD 22
I2 C to Parallel Port Expander
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
Latched Outputs With High-Current Drive Capability for Directly Driving LEDs
Low Standby-Current Consumption of 3.5 u03bcA Maximum
Open-Drain Active-Low Interrupt Output
Polarity Inversion Register
Part Information
TCA9555PWR image
RoHS Compliant
Description
This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 1.65-V to 5.5-V VCC operation. It provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface. The TCA9555 consists of two 8-bit Configuration (input or output selection), Input Port, Output Port, and Polarity Inversion (active high or active low operation) registers. At power on, the I/Os are configured as inputs. The system master can enable the I/Os as either inputs or outputs by writing to the I/O configuration bits. The data for each input or output is kept in the corresponding Input or Output register. The polarity of the Input Port register can be inverted with the Polarity Inversion register.
Specifications
Chip Configuration:
16bit
Bus Frequency:
400kHz
IC Interface Type:
I2C SMBus
Supply Voltage Min:
1.65V
Supply Voltage Max:
5.5V
Interface Case Style:
TSSOP
No. of Pins:
24Pins
No. of I/O's:
16I/O's
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
I/O EXPANDER, 16BIT, 400KHZ, TSSOP-24; Chip Configuration:16bit; Bus Frequency:400kHz; IC Interface Type:I2C, SMBus; Supply Voltage Min:1.65V; Supply Voltage Max:5.5V; Interface Case Style:TSSOP; No. of Pins:24Pins; No. of RoHS Compliant: Yes Newark Electronics
I2C and SMBus I/O Expander 24-Pin TSSOP T/R Avnet America
I2C and SMBus I/O Expander 24-Pin TSSOP T/R Avnet Europe