DS1302 Trickle-Charge Timekeeping Chip
Figure 7. Timing Diagram: Read Data Transfer
CE
t
CC
t
R
t
F
SCLK
t
CDH
t
DC
I/O
t
CL
t
CH
t
CDD
t
CCZ
t
CDZ
1
A0
R/
W
D0
D7
W RITE COM M AND BYTE
READ DATA BYTE
Figure 8. Timing Diagram: Write Data Transfer
t
CW H
CE
t
CC
t
R
t
F
t
CCH
SCLK
t
CDH
I/O
t
CL
t
CH
t
DC
0
A0
1
D0
D7
W RITE COM MAND BYTE
W RITE DATA BYTE
CHIP INFORMATION
TRANSISTOR COUNT: 11,500
THERMAL INFORMATION
PACKAGE
8 DIP
8 SO (150 mils)
8 SO (208 mils)
16 SO (300 mils)
THETA-JA
(°C/W)
110
170
113
105
THETA-JC
(°C/W)
40
40
31
22
12 of 16