S-35399A03-J8T2G Seiko Instruments, S-35399A03-J8T2G Datasheet - Page 37

• Manufacturer Part Number: S-35399A03-J8T2G
• Description: Real Time Clock 2-wire Real Time Clock
• Manufacturer: Seiko Instruments

Specifications of S-35399A03-J8T2G

• Supply Voltage (max): 3 V
• Supply Voltage (min): 1.3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial
• Supply Current: 0.34 uA
• Package / Case: SOP-8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Rev.2.0
(5) Clock-correction register access
(6) Free register 1 access
(7) Up counter access
Access to the up counter is Read-only. Users cannot Write in this counter with Write operation.
*1. Set NO_ACK = 1 in Read.
*1. Set NO_ACK = 1 in Read.
_00
SDA
SCL
I/O mode switching
0
Code + command
1
1
1
SDA
SCL
SCL
SDA
1
I/O mode switching
I/O mode switching
0
Figure 44 Clock-Correction Register Access
0
0
1
0
Figure 45 Free Register 1 Access
0
Figure 46 Up Counter Access
1
1
command
command
1
1
Read only
9
Code +
Code +
1
B7
1
0
Seiko Instruments Inc.
0
Count data
1
1
1
1
0
1
R/W
R/W
9
I/O mode switching
Clock
correction data
9
B7
B7
Free register
data
B0
18
I/O mode switching
B0
B0
I/O mode switching
18
18
27
B7
2-WIRE REAL-TIME CLOCK
Count data
B0
36
S-35399A03
37