PCA9500PW vs PCA9555DB Comparison

Detailed side-by-side comparison of PCA9500PW by NXP Semiconductors and PCA9555DB by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

NXP Semiconductors
PCA9500PW PCA9500PW - 8-Bit I/O Expander with 2-kbit EEPROM | NXP

PCA9500PW - 8-Bit I/O Expander with 2-kbit EEPROM | NXP

PCA9500PW ✓ Active
NXP Semiconductors
PCA9555DB PCA9555DB - 16-Bit I2C GPIO Expander with Interrupt | NXP

PCA9555DB - 16-Bit I2C GPIO Expander with Interrupt | NXP

PCA9555DB ✓ Active

Specification Comparison

Parameter PCA9500PW PCA9555DB
Brand NXP Semiconductors NXP Semiconductors
Category Interface ICs Interface ICs
Lifecycle Status Active Active
Product Type 8-bit I2C-bus and SMBus I/O port expander with EEPROM —
Number of I/O Pins 8 pins —
I/O Direction Control Independent input or output configuration per pin —
I/O Port Type Quasi-bidirectional —
Integrated EEPROM Capacity 2 kbit —
Bus Interface I2C-bus and SMBus —
Maximum Bus Frequency 400 kHz —
Supply Voltage Range 2.5 V to 3.6 V —
Operating Temperature Range -40 °C to +85 °C [DATA_NEEDED: operating temperature range]
Hardware Address Inputs 3 address pins —
Maximum Devices on One Bus 8 devices —
Package 16-pin TSSOP —
Mounting Type Surface mount Surface mount
GPIO and EEPROM Addressing Two separate devices visible to the bus master —
Reference Interface PCF8574-compatible configuration method —
RoHS Compliance [DATA_NEEDED: verified RoHS status] —
REACH Compliance [DATA_NEEDED: verified REACH status] —
Automotive Qualification [DATA_NEEDED: AEC-Q100 qualification status] —
Device Type — 16-bit I2C/SMBus GPIO expander with interrupt
GPIO Count — 16 bits
Operating Voltage Range — 2.3 V to 5.5 V
I2C Maximum Frequency — 400 kHz
I2C/SMBus Interface — Two-wire serial interface
I/O Port Configuration — Input or output per bit
I/O Port Tolerance — 5 V tolerant
Interrupt Output — Active-low, open-drain
Standby Current — 1 uA maximum
Package Type — SSOP-24
Package Pitch — 1.0 mm
Device Pin Count — 24 pins
Serial Addressing — Seven-bit I2C address; [DATA_NEEDED: address table]
RoHS Status — unknown
REACH Status — unknown
AEC-Q100 Qualification — [DATA_NEEDED: automotive qualification status]

Datasheets & Resources

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