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参数资料
| 型号： | RX-4045SA-3 |
| 元件分类： | XO, clock |
| 英文描述： | REAL TIME CLOCK, PDSO14 |
| 封装： | SOP-14 |
| 文件页数： | 1/3页 |
| 文件大小： | 43K |
| 代理商： | RX-4045SA-3 |
New Product
Preliminary
2002.8 Ver.0.1
4-wire serial interface high-stability RTC module
RX –4045 SA
Preliminary
Product number:Q4140455xxxxx00
Built in frequency adjusted 32.768 kHz crystal unit.
Serial interface which can be controlled by 4 or 3 signal lines.
Dual Alarm and Timer IRQ function are Available.
32.768 kHz clock frequency output. (FOUT)
Low backup current : 0.48 A / 3 V ( Typ.)
Wide operating voltage range : 1.7 V to 5.5 V Wide timekeeper voltage range : 1.15 V to 5.5 V
Available as small package.( SOP-14pin )
s Block Diagram
OSC
Detect
/ INT
CLK
CE
FOUT
32 kHz
Output
Control
Divider
Correc
-tion
Div.
Interrupt Control
Shift Register
Time Counter
( Sec,Min,Hour,Week,Day,Month,Year )
Address
Decoder
Address
Register
Comparator_D
Comparator_W
Alarm_W Register
( Min,Hour,Week )
I/O
Control
Alarm_D Register
( Min,Hour )
Voltage
Detect
GND
VDD
DI
DO
s Pin Assignment
s Pin Descriptions
# 7
# 1
# 8
#14
1. N.C.
2. CLK
3. FOUT
4. N.C.
5. TEST
6. VDD
7. CE
14. N.C.
13. DO
12. DI
11. GND
10. /INT
9. N.C.
8. N.C.
Pin Assignment
5.0
10.1
3.2
7.4
0.35
1.27
RX - 4045 SA
Terminal
Pin No.
Descriptions
CLK
2
Serial clock input
FOUT
3
32.768 kHz output
(Nch open drain)
TEST
5
TEST terminal
VDD
6
VDD
CE
7
Chip enable
/INT
10
Interrupt output
(Nch open drain)
GND
11
GND
DI
12
Data input
DO
13
Data output
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