DS1392U-33+ Maxim Integrated Products, DS1392U-33+ Datasheet - Page 26

• Manufacturer Part Number: DS1392U-33+
• Description: IC RTC W/CHARGER 10-USOP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/Trickle-Chargerr

Specifications of DS1392U-33+

• Time Format: HH:MM:SS:hh (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.97 V ~ 3.63 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Function: Clock/Calendar/Alarm/Trickle Charger
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.97 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial (3-Wire)
• Supply Current: 2 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
26 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2009 Maxim Integrated Products
Low-Voltage SPI/3-Wire RTCs with
Trickle Charger
REVISION
NUMBER
0
1
2
3
REVISION
DATE
7/04
1/07
8/08
8/09
Initial release.
Added text to the General Description section to indicate that the bus interface is
disabled when the part switches to V
lead-free packages.
Added 0MHz (min) spec for SCLK frequency for SPI, 3-wire AC timing.
Added the “High Impedance” label for DOUT to Figure 1 and added DOUT trace to
Figure 2.
Changed all references of V
Replaced the Operation section with the Power Control section and added new Table 1.
Added the DS1394.
In the Address Map section, added the description on how to avoid misreads of the
time registers.
Added DS1390U-33/V+ to the Ordering Information table.
BAT
to V
BACKUP
DESCRIPTION
BACKUP
Maxim is a registered trademark of Maxim Integrated Products, Inc.
.
; replaced Ordering Information table with
Revision History
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PAGES
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