NXP Semiconductors PCA21125T/Q900/1,1 Microcontrollers
IC RTC CLK/CALENDAR SPI 14TSSOP

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
PCA21125T/Q900/1,1
Detailed Description
IC RTC CLK/CALENDAR SPI 14TSSOP
Package
14-TSSOP (0.173", 4.40mm Width)
Lifecycle Status
Active
Datasheet
PCA21125T/Q900/1,1 Datasheet
Quick Jump:
Technical Specifications
NXP Semiconductors PCA21125T/Q900/1,1 Microcontrollers technical specifications.
General
Interface
SPI
Package / Case
14-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Supply Voltage
1.6V ~ 5.5V
Lifecycle Status
Active
Features
Alarm, Leap Year, Square Wave Output, Watchdog Timer
Type
Clock/Calendar
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Alternate Parts Comparison (PCA21125T/Q900/1,1 vs PCA24S08D/DG,118 vs PCA24S08ADP,118 vs PCA24S08AD,118)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 14-TSSOP | 8-SOIC | 8-TSSOP | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.6V ~ 5.5V | 2.5V ~ 3.6V | 2.5V ~ 3.6V | 2.5V ~ 3.6V |
| Interface | SPI | Serial-I2C | Serial-I2C | Serial-I2C |
| Memory Size | -- | 8Kb (1K x 8) | 8Kb (1K x 8) | 8Kb (1K x 8) |
| Number of Pins | -- | 8 | 8 | 8 |
| Lifecycle Status | Active | Obsolete | Obsolete | Obsolete |
| Automotive | -- | No | No | No |
| Data Retention | -- | 10(Min) | 10(Min) | 10(Min) |
| Hardware Data Protection | -- | Yes | Yes | Yes |
| Max Access Time Ns | -- | 600 | 600 | 600 |
| Action |
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.