Datasheet

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PCF8523 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved. Product data sheet Rev. 6 — 17 September 2013 69 of 78 NXP Semiconductors
PCF8523
Real-Time Clock (RTC) and calendar
[1] In development.
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 57. 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