DS1391U-3+ Maxim Integrated Products, DS1391U-3+ Datasheet - Page 21

• 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 10. SPI Single-Byte Write
Figure 11. SPI Single-Byte Read
(MODE 0)
(MODE 0)
(MODE 1)
(MODE 1)
DOUT
DOUT
SCLK
SCLK
SCLK
SCLK
DIN
DIN
CS
CS
W/R
W/R
A6
A6
A5
A5
HIGH IMPEDANCE
Low-Voltage SPI/3-Wire RTCs with
A4
A4
____________________________________________________________________
A3
A3
A2
A2
A1
A1
HIGH IMPEDANCE
A0
A0
D7
D7
D6
D6
D5
D5
Trickle Charger
D4
D4
D3
D3
D2
D2
D1
D1
D0
D0
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