DS1391U-3+ Maxim Integrated Products, DS1391U-3+ Datasheet - Page 7

• Manufacturer Part Number: DS1391U-3+
• Description: IC RTC W/CHARGER 10-USOP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/Trickle-Chargerr

Specifications of DS1391U-3+

• Time Format: HH:MM:SS:hh (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 3.3 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
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