DS1391U-33/T&R Maxim Integrated Products, DS1391U-33/T&R Datasheet - Page 21

• Manufacturer Part Number: DS1391U-33/T&R
• Description: Real Time Clock
• Manufacturer: Maxim Integrated Products

Specifications of DS1391U-33/T&R

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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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