DS1343_1112 Datasheet, PDF (5/20 Pages) Maxim Integrated Products – Low-Current SPI/3-Wire RTCs

Low-Current SPI/3-Wire RTCs
CE
tCC
SCLK*
SDI
tCDH
tDC
R/W = 1
tCL
A6
tF
tCH
tR
SPI Write Timing
tCWH
tCCH
tCDH
A0
D7
D0
WRITE ADDRESS BYTE
*SCLK CAN BE EITHER POLARITY. TIMING SHOWN FOR CPOL = 1.
SERMODE = VCC.
WRITE DATA BYTE
CE
t_CC
SCLK*
SDI
t_CDH
tDC
R/W = 0
tCL
A6
tCH
A0
SDO
WRITE ADDRESS BYTE
*SCLK CAN BE EITHER POLARITY. TIMING SHOWN FOR CPOL = 1.
SERMODE = VCC.
SPI Read Timing
tCWH
tCDD
tCDZ
D7
D0
READ DATA BYTE
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