PCF85263ATT/AJ vs PCF8574PWR

This in-depth comparison of the PCF85263ATT/AJ and PCF8574PWR provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

ISO9001 Quality Control ISO45001 ISO14001 100% Genuine
Part A

PCF85263ATT/AJ

NXP USA Inc.

Lifecycle
Active
Stock
9950 PCS
Series
Clock-Timing - Real Time Clocks
+BOM RFQ
Part B

PCF8574PWR

Texas Instruments

Lifecycle
Active
Stock
7237 PCS
Package
TSSOP-20
Series
Interface - I-O Expanders
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification PCF85263ATT/AJ PCF8574PWR
Part Status Active Active
Digi Key Programmable Not Verified -
Type Clock/Calendar -
Features Alarm, Leap Year, Watchdog Timer POR
Time Format HH:MM:SS:hh (12/24 hr) -
Date Format YY-MM-DD-dd -
Interface I2C, 2-Wire Serial I²C
Voltage - Supply 0.9V ~ 5.5V 2.5V ~ 6V
Voltage - Supply, Battery 0.9V ~ 5.5V -
Current - Timekeeping (Max) 0.885µA @ 3.3V -
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount
Base Product Number PCF85263 -
Number of I/O - 8
Interrupt Output - Yes
Output Type - Push-Pull
Current - Output Source / Sink - 1mA, 25mA
Clock Frequency - 100 kHz
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