S-35390A-T8T1G Seiko Instruments, S-35390A-T8T1G Datasheet - Page 32
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S-35390A-T8T1G
Manufacturer Part Number
S-35390A-T8T1G
Description
IC RTC I2C 2-WIRE 8-TSSOP
Manufacturer
Seiko Instruments
Type
Clock/Calendarr
Datasheet
1.S-35390A-J8T1G.pdf
(56 pages)
Specifications of S-35390A-T8T1G
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Interface
I²C, 2-Wire Serial
Voltage - Supply
1.3 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-TSSOP
Function
Clock/Calendar/Alarm/Battery Backup/Interrupt
Supply Voltage (max)
5.5 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 (2-Wire, I2C)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
728-1007-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
S-35390A-T8T1G
Manufacturer:
SEIKO
Quantity:
18 700
Part Number:
S-35390A-T8T1G
Manufacturer:
SEIKO
Quantity:
20 000
32
2-WIRE REAL-TIME CLOCK
S-35390A
4. Data access
(1) Real-time data 1 access
(2) Real-time data 2 access
(3) Status register 1 access and status register 2 access
*1. Set NO_ACK = 1 in Read.
*2. Transmit ACK = 0 from the master device to the S-35390A in Read.
*1. Set NO_ACK = 1 in Read.
*2. Transmit ACK = 0 from the master device to the S-35390A in Read.
*1. 0 : Status register 1 selected, 1 : Status register 2 selected
*2. Set NO_ACK = 1 for reading.
SDA
SCL
SDA
SCL
I/O mode switching
Figure 40 Status Register 1 Access and Status Register 2 Access
I/O mode switching
0
Device code +
1
1
SDA
0
SCL
command
Device code +
1
1
1
command
I/O mode switching
0
1
0
0
1
0
0
1
Figure 38 Real-Time Data 1 Access
Figure 39 Real-Time Data 2 Access
1
0
R/W
Device code +
1
1
9
command
B7
R/W
1
9
Year data
B7
0
Seiko Instruments Inc.
*1
0
Hour data
0
B0
I/O mode switching
B0
R/W
9
B7
I/O mode switching
18
Status data
18
B7
Minute data
B0
I/O mode switching
18
B0
27
B7
Second data
63
B7
Second data
B0
B0
36
72
Rev.3.0
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