DS1394U-33+T&R Maxim Integrated Products, DS1394U-33+T&R Datasheet - Page 26
![IC RTC SPI 3WIRE W/CHRGR 10-MSOP](/photos/6/57/65724/175-10-umax_sml.jpg)
DS1394U-33+T&R
Manufacturer Part Number
DS1394U-33+T&R
Description
IC RTC SPI 3WIRE W/CHRGR 10-MSOP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/Trickle-Chargerr
Datasheet
1.DS1390U-3.pdf
(26 pages)
Specifications of DS1394U-33+T&R
Time Format
HH:MM:SS:hh (12/24 hr)
Date Format
YY-MM-DD-dd
Interface
SPI, 3-Wire Serial
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-MSOP, Micro10™, 10-uMAX, 10-uSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
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
CHANGED
PAGES
11, 12
8, 10
3, 5
All
15
—
1
4
1