Datasheet

6 Maxim Integrated
Low-Current SPI/3-Wire RTCs
DS1343/DS1344
3-Wire Write Timing
3-Wire Read Timing
CE
t
CC
t
CL
t
CDH
t
CH
t
DC
t
F
t
R
t
CCH
t
CWH
D0 D7A0 A1
WRITE DATA BYTEWRITE ADDRESS BYTE
*I/O IS SDI AND SDO CONNECTED TOGETHER.
SERMODE = GND.
R/W = 1
SCLK
I/O*
CE
t
CC
t
CL
t
CDH
t
CH
t
DC
t
CDD
t
CDZ
t
CWH
D0 D7A0 A1
READ DATA BYTEWRITE ADDRESS BYTE
*I/O IS SDI AND SDO CONNECTED TOGETHER.
SERMODE = GND.
R/W = 0
SCLK
I/O*