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參數(shù)資料
| 型號： | RX-8801SA:UB3 PURE SN |
| 廠商： | EPSON |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 0K |
| 描述： | IC REAL TIME CLOCK 14-SOP |
| 標準包裝： | 1 |
| 類型： | 時鐘/日歷 |
| 特點： | 警報器，閏年 |
| 時間格式： | HH:MM:SS（24 小時） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | I²C，2 線串口 |
| 電源電壓： | 1.6 V ~ 5.5 V |
| 電壓 - 電源，電池： | 1.6 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-SOIC（0.209"，5.30mm 寬） |
| 供應商設備封裝： | 14-SOP |
| 包裝： | 標準包裝 |
| 其它名稱： | SER3788DKR |
Actual size
http://www.epsontoyocom.co.jp
Real time clock module
Epson Toyocom
Block diagram
Overview
32kHz
DTCXO
32.768 kHz
CLOCK
and
CALENDAR
TIMER
REGISTER
ALARM
REGISTER
FOUT
CONTROLLER
CONTROL
REGISTER
and
SYSTEM
CONTROLLER
DIVIDER
INTERRUPT
CONTROLLER
INTERFACE
CIRCUIT
FOUT
FOE
/ INT
SCL
SDA
High Stability
UA
± 1.9 x 10
-6
/
0 C to +40 C
( Equivalent to 5 seconds of month deviation )
± 3.4 x 10
-6
/
-40 C to +85 C
( Equivalent to 9 seconds of month deviation )
UB
± 3.8 x 10
-6
/
0 C to +50 C
( Equivalent to 10 seconds of month deviation )
± 5.0 x 10
-6
/
-40 C to +85 C
( Equivalent to 13 seconds of month deviation )
32.768 kHz frequency output function
FOUT pin output (C-MOS output), CL=30 pF
Output selectable
< 32.768 kHz, 1024 Hz, 1 Hz >
The various interrupt
Timer Function can be set up between
1/ 4096 second and 255 minutes.
Alarm Function can be set to day of week,
day, hour, or minute.
Pin Function
Terminal connection / External dimensions
(Unit:mm)
Signal Name
Pin No.
I / O
Function
T1(CE)
1
input
* Use by the manufacture for testing.
( Do not connect externally.)
SCL
2
input
Serial clock input pin
FOUT
3
Output
The pin outputs the refarence clock signal.
( CMOS output )
TEST
5
input
* Use by the manufacture for testing.
( Do not connect externally.)
VDD
6
-
Connected to a positive power supply
FOE
7
input
The input pin for the FOUT output control.
/ INT
10
Output
Interrupt output
( N-ch open drain )
GND
11
-
Connected to a ground
T2(VPP)
12
-
* Use by the manufacture for testing.
( Do not connect externally.)
SDA
13
I / O
Data input and output pin
RX
8801 SA
1.
T1(CE)
14.
N.C.
2.
SCL
13.
SDA
3.
FOUT
12.
T2(VPP)
4.
N.C.
11.
GND
5.
TEST
10.
/ INT
6.
VDD
9.
N.C.
7.
FOE
10
.1
±
0.
2
5.0
7.4 ± 0.2
3.
2
±
0.
1
1.
27
8.
N.C.
SOP 14 pin
Metal may be exposed on the top or bottom of this product.
This w ill not affect any quality, reliability or electrical spec.
Specifications (characteristics)
Refer to application manual for details.
! Electrical Characteristics
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Interface voltage
VDD
Interface voltage
1.8
3.0
5.5
V
Temp. compensated
voltage
VTEM
Temp. compensated voltage
2.2
3.0
5.5
V
Clock voltage
VCLK
-
1.6
3.0
5.5
V
Operating temperatue
TOPR
-
40
+25
+85
°C
Ta = 0 C to +40 C
±1.9
1
UA
Ta = -40 C to +85 C
±3.4 2
Ta = 0 C to +50 C
±3.8
3
Stability
f / f
UB
Ta = -40 C to +85 C
±5.0
4
× 10 6
Current consumption
(1)
IBK1
VDD = 5 V
-
1.2
3.4
Current consumption
(2)
IBK2
Backup Mode
FOE = GND,
/INT = VDD
FOUT output : OFF VDD = 3 V
-
0.8
2.8
A
1 ) Equivalent to 5 seconds of month deviation. 2 )Equivalent to 9 seconds of month deviation.
3 ) Equivalent to 10 seconds of month deviation. 4 ) Equivalent to 13 seconds of month deviation.
Built-in 32.768 kHz-DTCXO, High Stability
I
2C-Bus INTERFACE REAL TIME CLOCK MODULE
RX - 8801 SA
Built in frequency adjusted 32.768 kHz crystal unit and DTCXO.
Interface Type
: I
2C-Bus Interface (400 kHz)
Interface voltage range
: 1.8 V to 5.5 V
Temp.compensated voltage range: 2.2 V to 5.5 V
Wide Timekeeper voltage range : 1.6 V to 5.5 V
32.768 kHz frequency output function : C-MOS output With Control Pin
The various functions include full calendar, alarm, timer.
* The I
2C-Bus is a trademark of NXP Semiconductors
!
! 32.768 kHz-DTCXO Frequency temperature characteristics (Example)
Frequency temperature characteristics
-30
-25
-20
-15
-10
-5
0
5
10
-45
-35
-25
-15
-5
5
15
25
35
45
55
65
75
85
Temperature (C)
F
re
que
nc
y
t
o
le
ra
n
c
e
(
×
1
0
-6
)
T uning fork X'tal
32.768 kHz DTCXO
Product Number (Please contact us)
RX-8801SA : X1B000011xxxx00
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