PCF2123BS/1,512 NXP Semiconductors, PCF2123BS/1,512 Datasheet - Page 7

• Manufacturer Part Number: PCF2123BS/1,512
• Description: IC CLOCK HVQFN16
• Manufacturer: NXP Semiconductors
• Type: Clock/Calendar/Alarmr

Specifications of PCF2123BS/1,512

• Package / Case: 16-VQFN Exposed Pad, 16-HVQFN, 16-SQFN, 16-DHVQFN
• 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, Alarm, Watchdog
• 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: SPI
• Supply Current: 250 uA
• 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: 568-5051-5; 935286382512

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
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