PCF2129AT/2,518 NXP Semiconductors, PCF2129AT/2,518 Datasheet - Page 59

• Manufacturer Part Number: PCF2129AT/2,518
• Description: Real Time Clock
• Manufacturer: NXP Semiconductors
• Series: PCF2129r

Specifications of PCF2129AT/2,518

• Rohs: yes
• Function: Clock, Calendar, Alarm, Watchdog, Timestamp
• Rtc Bus Interface: I2C, SPI
• Date Format: Binary
• Time Format: Binary
• Supply Voltage - Max: 4.2 V
• Supply Voltage - Min: 1.2 V
• Maximum Operating Temperature: + 60 C
• Minimum Operating Temperature: - 15 C
• Mounting Style: SMD/SMT
• Package / Case: SOP-20
• Battery Backup Switching: Yes
• Factory Pack Quantity: 2000

NXP Semiconductors
PCF2129AT
Product data sheet
Fig 42. SPI-bus timing
WRITE
READ
SDO
SDO
SCL
SDI
SDI
CE
t
su(CE_N)
t
su
R/W
high-Z
high-Z
b7
t
h
SA2
b6
All information provided in this document is subject to legal disclaimers.
20%
t
Rev. 5 — 12 February 2013
r
t
80%
t(SDI-SDO)
t
f
RA0
b0
t
w(CE_N)
b7
t
d(R)SDO
b7
Integrated RTC, TCXO and quartz crystal
b6
b6
t
clk(H)
t
clk(SCL)
t
clk(L)
PCF2129AT
t
h(CE_N)
b0
b0
© NXP B.V. 2013. All rights reserved.
013aaa152
t
dis(SDO)
t
rec(CE_N)
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