PCF2127AT/1,518 NXP Semiconductors, PCF2127AT/1,518 Datasheet - Page 66

• Manufacturer Part Number: PCF2127AT/1,518
• Description: IC RTC/CALENDAR TCXO QTZ 20SOIC
• Manufacturer: NXP Semiconductors
• Type: Clock/Calendar/Alarmr

Specifications of PCF2127AT/1,518

• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Time Format: HH:MM:SS (12/24 hr)
• Memory Size: 512B
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1.8 V ~ 4.2 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Function: Serial Clock, Timestamp, Timekeeper, Watchdog, Alarm, Calendar, Timer, Timer Interrupt
• Rtc Memory Size: 512 bytes
• Supply Voltage (max): 4.2 V
• Supply Voltage (min): 1.8 V
• Mounting Style: SMD/SMT
• Rtc Bus Interface: I2C
• Supply Current: 2600 nA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
PCF2127A_2
Product data sheet
12.1 Current consumption characteristics, typical
Fig 47. I
Fig 48. I
(μA)
I
DD
2.0
1.6
1.2
0.8
0.4
Typical value; V
CLKOUT disabled; PWRMNG[2:0] = 111; TSOFF = 1; TS input floating.
OL
DD
0
−40
on pin SDA/CE
as a function of temperature
All information provided in this document is subject to legal disclaimers.
−20
(mA)
I
OL
OL
22
18
14
10
Rev. 02 — 7 May 2010
= 0.4 V.
6
1.5
0
2.5
20
Integrated RTC, TCXO and quartz crystal
40
3.5
V
DD
001aal763
(V)
60
4.5
Temperature (°C)
PCF2127A
80
V
V
DD
DD
© NXP B.V. 2010. All rights reserved.
001aaj432
= 3 V
= 2 V
100
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