PCF2129AT/1,512 NXP Semiconductors, PCF2129AT/1,512 Datasheet - Page 44

• Manufacturer Part Number: PCF2129AT/1,512
• Description: IC REAL TIME CLK/CALENDAR 20SOIC
• Manufacturer: NXP Semiconductors
• Type: Clock/Calendar/Alarmr

Specifications of PCF2129AT/1,512

• Package / Case: 20-SOIC (7.5mm Width)
• Date Format: YY-MM-DD-dd
• Time Format: HH:MM:SS (12/24 hr)
• Interface: I²C, SPI
• Voltage - Supply: 1.8 V ~ 4.2 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Function: Clock, Alarm, Watchdog, Timestamp
• Supply Voltage (max): 4.2 V
• Supply Voltage (min): 1.8 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: I2C, SPI
• Supply Current: 800 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-4960-5; 935288599512

NXP Semiconductors
PCF2129A_2
Product data sheet
Fig 24. STOP bit functional diagram
OSC
32768 Hz
Fig 25. STOP bit release timing
F
0
16384 Hz
LOWER PRESCALER
F
All information provided in this document is subject to legal disclaimers.
1
8192 Hz
stop released
64 Hz
Rev. 02 — 7 May 2010
F
2
4096 Hz
128 Hz
F
8
0 ms - 15.625 ms
64 Hz
Integrated RTC, TCXO and quartz crystal
RES
F
9
UPPER PRESCALER
RES
F
10
001aaj343
PCF2129A
RES
F
13
© NXP B.V. 2010. All rights reserved.
RES
F
14
001aaj342
1 Hz tick
stop
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