PCF2123TS/1,118 NXP Semiconductors, PCF2123TS/1,118 Datasheet - Page 7

• Manufacturer Part Number: PCF2123TS/1,118
• Description: IC SPI RTC/CALENDAR 14TSSOP
• Manufacturer: NXP Semiconductors
• Type: Clock/Calendar/Alarmr

Specifications of PCF2123TS/1,118

• 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 (3-Wire, SPI)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-4534-2; 935286384118; PCF2123TS/1-T

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
7 of 61