DS1391U-33 Maxim Integrated Products, DS1391U-33 Datasheet - Page 4
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DS1391U-33
Manufacturer Part Number
DS1391U-33
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-33
Function
Clock, Calendar, Alarm, Trickle Charger
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.97 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DS1391U-33
Manufacturer:
MAXIM/美信
Quantity:
20 000
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Part Number:
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Manufacturer:
Maxim
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Part Number:
DS1391U-33+
Manufacturer:
LT
Quantity:
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Part Number:
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Manufacturer:
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Part Number:
DS1391U-33+T
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
DS1391U-33+T&R
Manufacturer:
MAXIM
Quantity:
8 200
Low-Voltage SPI/3-Wire RTCs with
Trickle Charger
Figure 1a. Timing Diagram—SPI Read Transfer (Mode 3)
Figure 1b. Timing Diagram—SPI Read Transfer (Mode 0)
4
CPHA = 1
CPHA = 0
DOUT
SCLK
SCLK
DOUT
_____________________________________________________________________
NOTE: SCLK CAN BE EITHER POLARITY SHOWN FOR CPOL = 1.
NOTE: SCLK CAN BE EITHER POLARITY SHOWN FOR CPOL = 0.
DIN
CS
DIN
CS
t
DC
t
CC
t
CC
t
DC
W/R
W/R
t
CDH
t
CDH
t
t
CL
R
t
t
R
CL
WRITE ADDRESS BYTE
HIGH IMPEDANCE
WRITE ADDRESS BYTE
HIGH IMPEDANCE
A6
t
A6
CH
t
CH
t
F
t
F
A0
A0
t
CDD
t
CDD
D7
D7
READ DATA BYTE
READ DATA BYTE
D0
D0
t
t
CDZ
CDZ