DS1391U-3 Maxim Integrated Products, DS1391U-3 Datasheet - Page 22
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DS1391U-3
Manufacturer Part Number
DS1391U-3
Description
Real Time Clock Low-Voltage SPI RTC with Trickle Charger
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1390U-3.pdf
(26 pages)
Specifications of DS1391U-3
Function
Clock, Calendar, Alarm, Trickle Charger
Supply Voltage (max)
3.3 V
Supply Voltage (min)
2.7 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Rtc Bus Interface
Serial
Package / Case
uSOP
Time Format
HH:MM:SS:hh
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Company
Part Number
Manufacturer
Quantity
Price
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Company:
Part Number:
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Manufacturer:
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Quantity:
8 200
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
22
____________________________________________________________________
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