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参数资料
| 型号： | RX-8581JEB-3 |
| 厂商： | EPSON TOYOCOM CORP |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | REAL TIME CLOCK, PDSO20 |
| 封装： | VSOJ-20 |
| 文件页数： | 1/3页 |
| 文件大小： | 275K |
| 代理商： | RX-8581JEB-3 |
89
Real time clock module
90
Real time clock module
I2C-BUS INTERFACE REAL TIME CLOCK MODULE
RX-8581SA / JE / NB
Product number (please refer to page 5)
Q 4 1 8 5 8 1 5 x x x x x 0 0
Q 4 1 8 5 8 1 7 x x x x x 0 0
Q 4 1 8 5 8 1 9 x 0 0 0 2 0 0
Built-in frequency adjusted 32.768 kHz crystal unit.
Compliant with I2 C high-speed bus specifications. (400 kHz)
Alarm and Timer IRQ function are Available.
32.768 kHz clock frequency output. (Duty 50 ± 5%)
Low backup current : 0.5 A / 3 V (Typ.)
Wide operating voltage range : 1.8 V to 5.5 V
Wide timekeeper voltage range : 1.6 V to 5.5 V
Available as small package. (SON 22-pin)
Available for lead (Pb) - free soldering.
Available for lead (Pb) - free terminal.
The details are mentioned in the application manual.
Specifications (characteristics)
Absolute Max. rating
GND = 0V
Item
Symbol
Condition
Min.
Max.
Unit
Supply voltage
VDD
VDD to GND
-0.3
+7.0
V
Input voltage 1
VIN1
FOE pin
GND -0.3
VDD +0.3
V
Input voltage 2
VIN2
SCL, SDA pins
+8.0
Output voltage 1
VOUT1
FOUT pin
VDD +0.3
Output voltage 2
VOUT1
SDA, I
_____
NT pins
+8.0
Storage temperature
TSTG
Stored as bare product
after unpacking
-55
+125
°C
Operating range
GND = 0V
Item
Symbol
Condition
Min.
Max.
Unit
Power voltage
VDD
–
1.8
5.5
V
Clock voltage
VCLK
–
1.6
Operating temperature
TOPR
No condensation
-40
+85
°C
Frequency characteristics
GND = 0V
Item
Symbol
Condition
Range
Unit
Frequency tolerance
Δf/f
Ta = +25 °C, VDD = 3.0 V
B: 5 ±23
x 10-6
Oscillation start-up time
tSTA
Ta = +25 °C, VDD = 3.0 V
3 Max.
s
Frequency temperature
characteristics
Top
Ta = -10 °C to +70 °C,
VDD = 3.0 V ; Reference at +25 °C
+10
-120
x 10-6
Frequency voltage
characteristics
f/V
Ta = +25 °C,
VDD = 2.0 V to 5.5 V
±2 Max. x 10-6 / V
Aging
fa
Ta = +25 °C, VDD = 3.0 V
±5 Max. x 10-6 / year
1 Equivalent to 1 minute of monthly deviation (excluding offset.)
2 Please ask tighter tolerance
DC characteristics
(GND = 0 V,VDD = 1.8 V to 5.5 V,Ta = -40 °C to +85 °C)
Item
Symbol
Condition
Min. Typ. Max. Unit
Power current 1
IDD1 fSCL = 0 Hz
I
____
NT = VDD, FOE = GND
FOUT ; output off (“L” level)
VDD = 5 V
0.65
1.2
A
Power current 2
IDD2
VDD = 3 V
0.45
0.8
Power current 3
IDD3 fSCL = 0 Hz
I
____
NT, FOE = VDD
FOUT ; 32.768 kHz output ON,CL = 0 pF
VDD = 5 V
3.0
7.5
Power current 4
IDD4
VDD = 3 V
1.7
4.5
Power current 5
IDD5 fSCL = 0 Hz
I
____
NT, FOE = VDD
FOUT ; 32.768 kHz output ON,CL = 30 pF
VDD = 5 V
8.0
20.0
Power current 6
IDD6
VDD = 3 V
5.0
12.0
“H” input voltage
VIH1
FOE pin
0.7 VDD
VDD+0.3
V
VIH2
SCL, SDA pins
0.7 VDD
6.0
“L” input voltage
VIL
Input pin
GND -0.3
0.3 VDD
“H” output current
VOH1
FOUT pin
VDD = 5 V, IOH = -1mA 4.5
5.0
VOH2
VDD = 3 V, IOH = -1mA 2.2
3.0
VOH3
VDD = 3 V, IOH = -100 A 2.9
3.0
“L” output current
VOL1
FOUT pin
VDD = 5 V, IOL = 1mA GND
GND +0.5
VOL2
VDD = 3 V, IOL = 1mA GND
GND +0.8
VOL3
VDD = 3 V, IOL = 100 A GND
GND +0.1
VOL4
I
_____
NT pin
VDD = 5 V, IOL = 1mA GND
GND+0.25
VOL5
VDD = 3 V, IOL = 1mA GND
GND +0.4
VOL6 SDA pin VDD > 2 V, IOL = 3mA GND
GND +0.4
External dimensions / Terminal connection
(Unit: mm)
Metal may be exposed on the top or bottom of this product. This won't affect any quality, reliability or electrical spec.
(SON 22-pin)
6.3 Max.
4.8
5.0
±0.2
1.3
0.5
0.2
No.
1
2
3
4
5
6
7
8
9
10
11
Pin terminal
INT
GND
(VDD)
N.C
SDA
SCL
FOUT
VDD
FOE
N.C
No.
22
21
20
19
18
17
16
15
14
13
12
Pin terminal
N.C
±0.1
#22
#1
#11
#14
(VSOJ 20-pin)
No.
1
2
3
4
5
6
7
8
9
10
Pin terminal
N.C
FOE
VDD
FOUT
SCL
SDAT
(VDD)
GND
INT
No.
20
19
18
17
16
15
14
13
12
11
Pin terminal
N.C
#20
#11
#1
#10
1.5
Max.
5.4
1.3
(0.75)
7.0
±0.3
6.0
±0.2
0.65
0.22 0 Min.
(SOP 14-pin)
No.
1
2
3
4
5
6
7
Pin terminal
N.C
SCL
SDA
N.C
GND
N.C
INT
No.
14
13
12
11
10
9
8
Pin terminal
FOUT
N.C
VDD
FOE
N.C
#1
#7
#8
#14
7.4
±0.2
3.2
±0.1
1.2
1.27
0.35
5.0
3.1
10.1
±0.2
0.15
0.6
0.05 Min.
0
° to 10°
The I2C-Bus is a trademark of Philips Electronics N.V.
Actual size
RTC-8581JE
RTC-8581SA
RTC-8581NB
1
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| RX-8581JEB5+/-23PPM | 制造商:Epson Electronics America Inc 功能描述:I2C-Bus Interface RTC Module VSOJ 20pin |
| RX-8581SA | 制造商:Epson Toyocom Corporation 功能描述:32.768kHz 0.45uA@3V(Typ.) 1.8 to 5.5V 10.1~5.0~3.2mm +85 -40 5}23ppm@+25/3.0V I2C-BusVAC^[tFCX 10.1mm 5mm 3.2mm 制造商:Epson Toyocom 功能描述:RTC module,I2C Bus,High quality,SOP14 |
| RX-8581SA B3 | 制造商:Epson Electronics America Inc 功能描述:Real Time Clock Serial 14-Pin SOP T/R 制造商:Epson 功能描述:Real Time Clock Serial 14-Pin SOP T/R |
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