PCF2123TS PHILIPS [NXP Semiconductors], PCF2123TS Datasheet - Page 2

• Manufacturer Part Number: PCF2123TS
• Description: Save power with small, ultra-efficient RTCs
• Manufacturer: PHILIPS [NXP Semiconductors]

The calendar functions track year, month, weekday, and day
with built-in Leap Year correction. The programmable alarm and
timer function gives the option of generating a wake-up signal
on an interrupt pin.
PCF8523 block diagram
Selection guide
Ordering Information
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Characteristics
Interface
Temperature range
Supply voltage V
Supply current at V
Electronic tuning
Type
PCF8523T/1
PCF8523TS/1
PCF8523TK/1
PCF2123TS/1
PCF2123BS/1
PCF2123U/10AA/1
PCF2123U/12AA/1
PCF2123U/12HA/1
PCF8523U/12AA/1
Supply voltage V
DD
DD
clock
interface
DD
= 2 V
PCF8523
I
-40º to +85 °C
1.2 to 5.5 V
1.6 to 5.5 V
100 nA
yes
Package tape and reel
SO8, plastic small outline package; 8 leads; body width 3.9 mm
TSSOP14, plastic thin shrink small outline package; 14 leads; body width 4.4 mm
HVSON8, plastic thermal enhanced very thin small outline package; no leads; 8 terminals; 4 x
4 x 0.85 mm
TSSOP14, plastic thin shrink small outline package, 14 leads; body width 4.4 mm
HVQFN16, plastic thermal enhanced very thin quad flat package; no leads; 16 terminals; body
3 x 3 x 0.85 mm
Bare die, die thickness 200 µm
Bare die with gold bumps, die thickness 200 µm
Bare die with gold bumps, die thickness 150 µm
Bare die with gold bumps, die thickness 200 µm
2
C
PCF2123
SPI
-40º to +85 ºC
1.1 V to 5.5 V
1.6 V to 5.5 V
100 nA
yes
In the PCF2123, the Watchdog timer can be used to wake
a microcontroller from hibernation mode or monitor
microcontroller tasks independently.
PCF2123 block diagram
PCF85(1)63
I
-40 to +85 °C
1.0 to 5.5 V
1.8 to 5.5 V
270 nA
no
2
C
Date of release: March 2011
Document order number : 9397 750 17076
Printed in the Netherlands
PCA21125
SPI
-40 to +125 °C
1.3 to 5.5 V
1.6 to 5.5 V
640 nA
no
Type
SOT96-1
SOT402-1
SOT909-1
SOT402-1
SOT758-1
-
-
-
-
PCA8565
I
-40 to +125 °C
1.0 to 5.5 V
1.8 to 5.5 V
600 nA
no
2
C
Version
1
1
1
1
1
1
1
1
1