TCA9555DBR vs PCA9535DBR Comparison

Detailed side-by-side comparison of TCA9555DBR by Texas Instruments and PCA9535DBR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Texas Instruments
TCA9555DBR TCA9555DBR - 16-Bit I/O Expander | Texas Instruments

TCA9555DBR - 16-Bit I/O Expander | Texas Instruments

TCA9555DBR ✓ Active
Texas Instruments
PCA9535DBR PCA9535DBR - 16-Bit I2C I/O Expander | Texas Instruments

PCA9535DBR - 16-Bit I2C I/O Expander | Texas Instruments

PCA9535DBR ✗ End of Life

Specification Comparison

Parameter TCA9555DBR PCA9535DBR
Brand Texas Instruments Texas Instruments
Category Interface ICs Interface ICs
Lifecycle Status Active End of Life
I/O Port Count 16 bits —
Supply Voltage Range 1.65 V to 5.5 V 2.3 V to 5.5 V
Minimum Operating Supply 1.65 V —
Maximum Operating Supply 5.5 V —
Supported Serial Buses I2C and SMBus —
Maximum I2C Bus Speed 400 kHz —
Interrupt Output 1 output Yes
Weak Pull-Up Support Yes —
Configuration Registers Yes Yes
Operating Temperature Range -40°C to +85°C [DATA_NEEDED: operating temperature range]
Package 24-pin SSOP (DB) 24-SSOP (0.209 inch, 5.30 mm width)
Pin Count 24 pins —
Device Type I/O expander —
Port Configuration 16 configurable I/O bits —
Address Selection 3 hardware address inputs —
Device Function 16-bit bidirectional I/O expansion —
RoHS Status [DATA_NEEDED: RoHS status] —
REACH Status [DATA_NEEDED: REACH status] —
Number of I/O Lines — 16 lines
Interface — I2C and SMBus
Maximum Bus Clock Frequency — 400 kHz
Maximum Standby Current — 1 uA
Mounting Type — Surface mount
Packaging — Cut Tape
I/O Port Organization — Two 8-bit ports, 16 I/O total
Low-Power Operation — Low standby-current operation
Host GPIO Reduction — 16 host I/O lines
Output Current per Line — [DATA_NEEDED: output current per line]
Input and Output Port Current — [DATA_NEEDED: input and output port current]
I2C Address Configuration — [DATA_NEEDED: I2C address configuration details]
RoHS Compliance — [DATA_NEEDED: RoHS compliance status]

Datasheets & Resources

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