DS1302 Trickle-Charge Timekeeping Chip
Figure 7. Timing Diagram: Read Data Transfer
CE
tCC
t R
t F
SCLK
tCCZ
tCDZ
tCL
tCH
t CDH
tCDD
tDC
I/O
R/W
D0
D7
1
A0
WRITE COMMAND BYTE
READ DATA BYTE
Figure 8. Timing Diagram: Write Data Transfer
t CWH
CE
tCCH
tCC
tR
tF
SCLK
I/O
tCL
tCH
t CDH
tDC
1
D0
D7
0
A0
WRITE COMMAND BYTE
WRITE DATA BYTE
CHIP INFORMATION
TRANSISTOR COUNT: 11,500
THERMAL INFORMATION
THETA-JA
PACKAGE
THETA-JC
(°C/W)
(°C/W)
8 DIP
110
170
113
105
40
40
31
22
8 SO (150 mils)
8 SO (208 mils)
16 SO (300 mils)
12 of 16