PCF2129AT/1,512 NXP Semiconductors, PCF2129AT/1,512 Datasheet - Page 61

• 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

PCF2129A
NXP Semiconductors
Integrated RTC, TCXO and quartz crystal
START
BIT 7
BIT 6
BIT 0
ACKNOWLEDGE
STOP
PROTOCOL
CONDITION
MSB
(A6)
LSB
(A)
CONDITION
(S)
(A7)
(R/W)
(P)
t
t
t
SU;STA
LOW
HIGH
1 / f
SCL
SCL
t
t
t
BUF
r
f
SDA
t
t
t
t
t
HD;STA
SU;DAT
HD;DAT
VD;DAT
SU;STO
mbd820
2
Fig 43. I
C-bus timing diagram; rise and fall times refer to 30 % and 70 %
14. Application information
For information about application configuration see
Ref. 3
“AN10857”.
PCF2129A_2
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 02 — 7 May 2010
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