Datasheet
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PCF2129 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 7 — 19 December 2014 76 of 86
NXP Semiconductors
PCF2129
Accurate RTC with integrated quartz crystal for industrial applications
PCF2127A X 1 I
2
C and
SPI
500 X X - temperature
compensated, quartz built
in, calibrated, 512 Byte
RAM
SO20
PCF2129 X 1 I
2
C and
SPI
500 X X - temperature
compensated, quartz built
in, calibrated
SO16
PCF2129A X 1 I
2
C and
SPI
500 X X - temperature
compensated, quartz built
in, calibrated
SO20
PCA2129 X 1 I
2
C and
SPI
500 X X grade 3 temperature
compensated, quartz built
in, calibrated
SO16
PCA21125 X 1 SPI 820 - - grade 1 high robustness,
T
amb
40 C to 125 C
TSSOP14
Table 83. Selection of Real-Time Clocks
…continued
Type name Alarm, Timer,
Watchdog
Interrupt
output
Interface I
DD
,
typical (nA)
Battery
backup
Timestamp,
tamper input
AEC-Q100
compliant
Special features Packages