PCF2123TS/1,112 NXP Semiconductors, PCF2123TS/1,112 Datasheet - Page 7
![IC SPI RTC/CALENDAR 14-TSSOP](/photos/6/58/65814/568-14-tssop_sot402-1_sml.jpg)
PCF2123TS/1,112
Manufacturer Part Number
PCF2123TS/1,112
Description
IC SPI RTC/CALENDAR 14-TSSOP
Manufacturer
NXP Semiconductors
Type
Clock/Calendar/Alarmr
Specifications of PCF2123TS/1,112
Package / Case
14-TSSOP
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Interface
SPI, 3-Wire Serial
Voltage - Supply
1.1 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Function
Clock, Calendar
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.1 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Rtc Bus Interface
Serial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
935286384112
PCF2123TS/1
PCF2123TS/1
PCF2123TS/1
PCF2123TS/1
NXP Semiconductors
PCF2123
Product data sheet
8.1.2 Power consumptions with respect to timer mode
Four source clocks are possible for the timer. The 4.096 kHz source clock will add the
greatest part to the power consumption. The selection of 64 Hz, 1 Hz or
almost indistinguishable and add very little.
Fig 5.
Fig 6.
(1) I
(2) Maximum value for R
(1) I
(2) Timer clock = 4 kHz.
(3) Timer clock = 64 Hz, 1 Hz,
I
I
DD
(nA)
DD
(nA)
250
210
170
130
400
300
200
100
(1)
(1)
90
50
Configuration: CLKOUT disabled, V
I
Configuration: CLKOUT disabled, quartz R
I
DD
DD
DD
DD
0
0
0
(nA) minimum power mode.
(nA) minimum power mode.
with respect to quartz R
with respect to timer clock selection
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 22 December 2010
20
S
is 100 k.
1
60
2
Hz.
S
40
DD
= 3 V, timer clock set to
(2)
(3)
S
= 15 k.
60
4
SPI Real time clock/calendar
1
60
Hz.
80
V
DD
(V)
Rs
(2)
PCF2123
© NXP B.V. 2010. All rights reserved.
001aai558
001aai559
(kΩ)
1
60
100
Hz will be
6
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