DS1394U-33+ Maxim Integrated Products, DS1394U-33+ Datasheet - Page 7
![IC RTC SPI 3WIRE W/CHRGR 10-MSOP](/photos/6/57/65724/175-10-umax_sml.jpg)
DS1394U-33+
Manufacturer Part Number
DS1394U-33+
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+
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
-
Figure 3. Timing Diagram—3-Wire Read Transfer
Figure 4. Timing Diagram—3-Wire Write Transfer
SCLK
SCLK
I/O
I/O
CE
CE
t
t
DC
DC
t
CC
A0
A0
t
t
CDH
CDH
t
CC
t
CL
WRITE ADDRESS BYTE
t
R
WRITE ADDRESS BYTE
t
CL
Low-Voltage SPI/3-Wire RTCs with
A1
A1
t
R
t
_____________________________________________________________________
CH
t
CH
t
t
F
F
R/W
R/W
D0
t
CDD
WRITE DATA BYTE
READ DATA BYTE
Trickle Charger
D0
D7
t
CCH
t
CWH
t
CDZ
D7
7