DS1391U-18+ Maxim Integrated Products, DS1391U-18+ Datasheet - Page 21
DS1391U-18+
Manufacturer Part Number
DS1391U-18+
Description
IC RTC W/CHARGER 10-USOP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/Trickle-Chargerr
Datasheet
1.DS1390U-33.pdf
(26 pages)
Specifications of DS1391U-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
-
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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