NXP Semiconductors PCF2127T/2Y Real Time Clocks
IC RTC CLK/CAL I2C/SPI 16-SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
PCF2127T/2Y
Detailed Description
IC RTC CLK/CAL I2C/SPI 16-SOIC
Package
16-SOIC (0.295", 7.50mm Width)
Key Features
Package / Case: 16-SOIC (0.295", 7.50mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
PCF2127T/2Y Datasheet
Quick Jump:
Technical Specifications
NXP Semiconductors PCF2127T/2Y Real Time Clocks technical specifications.
General
Interface
I²C, 2-Wire Serial
Memory Size
512B
RoHS
Yes
Package / Case
16-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
1.8V ~ 4.2V
Lifecycle Status
Active
Features
Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer
Type
Clock/Calendar
Related Parts Comparison (PCF2127T/2Y vs PCF8598C-2T/02,118 vs PCF85116-3T/01,118 vs PCF85116-3T/01,112)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 16-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.8V ~ 4.2V | 2.5V ~ 6.0V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Memory Size | 512B | 8Kb (1K x 8) | 16Kb (2K x 8) | 16Kb (2K x 8) |
| RoHS | Yes | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Lifecycle Status | Active | Obsolete | Obsolete | Obsolete |
| Package | SOP-16 | Tape & Reel (TR) | Tape & Reel (TR) | -- |
| Clock Frequency | -- | 100 kHz | 400 kHz | 400 kHz |
| Max Frequency | -- | 100 kHz | 400 kHz | 400 kHz |
| Memory Format | -- | EEPROM | EEPROM | EEPROM |
| Memory Interface | -- | I²C | I²C | I²C |
| Action |
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