DS1390-DS1393 MAXIM [Maxim Integrated Products], DS1390-DS1393 Datasheet - Page 6

• Manufacturer Part Number: DS1390-DS1393
• Description: Low-Voltage SPI/3-Wire RTCs with Trickle Charger
• Manufacturer: MAXIM [Maxim Integrated Products]

Low-Voltage SPI/3-Wire RTCs with
Trickle Charger
Figure 3. Timing Diagram—3-Wire Read Transfer
Figure 4. Timing Diagram—3-Wire Write Transfer
6
SCLK
SCLK
I/O
I/O
CE
CE
_____________________________________________________________________
t
t
DC
DC
t
CC
A0
A0
t
t
CDH
CDH
t
CC
t
CL
WRITE ADDRESS BYTE
t
R
WRITE ADDRESS BYTE
t
CL
A1
A1
t
R
t
CH
t
CH
t
t
F
F
R/W
R/W
D0
t
CDD
WRITE DATA BYTE
READ DATA BYTE
D0
D7
t
CCH
t
CWH
t
D7
CDZ