DS1390U-33+ Dallas Semiconductor, DS1390U-33+ Datasheet - Page 22

• Manufacturer Part Number: DS1390U-33+
• Description: SERIAL RTC 3.3V USOP
• Manufacturer: Dallas Semiconductor

Specifications of DS1390U-33+

• Lead Free Status / Rohs Status: RoHS Compliant part

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
I/O
I/O
CE
CE
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
DATA
D4
D4
D5
D5
D6
D6
D7
D7