DS1390U-18+ Maxim Integrated Products, DS1390U-18+ Datasheet - Page 22

• Manufacturer Part Number: DS1390U-18+
• Description: IC RTC W/CHARGER 10-USOP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/Trickle-Chargerr

Specifications of DS1390U-18+

• Time Format: HH:MM:SS:hh (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 1.71 V ~ 1.89 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: -

Low-Voltage SPI/3-Wire RTCs with
Trickle Charger
Figure 12. SPI Multiple-Byte Burst Transfer
Figure 13. 3-Wire Single-Byte Read
Figure 14. 3-Wire Single-Byte Write
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____________________________________________________________________
WRITE
READ
SCLK
SCLK
CE
I/O
CE
I/O
SCLK
DOUT
DIN
DIN
CS
A0
A0
A1
A1
HIGH-IMPEDANCE
A2
A2
ADDRESS
ADDRESS
A3
A3
BYTE
BYTE
A4
A4
A5
A5
DATA BYTE 0
BYTE 0
DATA
A6
A6
W/R
W/R
DATA BYTE 1
D0
D0
BYTE 1
DATA
D1
D1
D2
D2
D3
D3
DATA BYTE N
BYTE N
D4
D4
DATA
D5
D5
D6
D6
D7
D7