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参数资料
| 型号： | RX-8025NBAA-0 |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | REAL TIME CLOCK, PDSO22 |
| 封装： | SON-22 |
| 文件页数： | 1/3页 |
| 文件大小： | 270K |
| 代理商： | RX-8025NBAA-0 |
87
Real time clock module
88
Real time clock module
I2C-BUS INTERFACE REAL TIME CLOCK MODULE
RX-8025SA / NB
Product number (please refer to page 5)
Q 4 1 8 0 2 5 5 x x x x x 0 0
Built-in frequency adjusted 32.768 kHz crystal unit.
Compliant with I2 C high-speed bus specifications. (400 kHz)
Dual Alarm and Timer IRQ function are Available.
32.768 kHz clock frequency output. (FOE, FOUT)
Low backup current : 0.48 A / 3 V (Typ.)
Wide operating voltage range : 1.7 V to 5.5 V
CPU interrupt generation function (cycle time range : 1 month to 0.5
seconds,includes interrupt flags and interrupt stop function)
Oscillation stop detection function (used to determine presence of internal data)
Power supply voltage monitoring function (with selectable detection threshold)
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
+6.5
V
Input voltage
VI
SCL, SDA, FOE pins GND -0.3
+6.5
Output voltage
VO1
SDA, I
____
NT, I
______
NTB pins GND -0.3
+6.5
VO2
FOUT pin
GND -0.5 VDD +0.3
Storage temperature Range
TSTG
Stored as bare product
after unpacking
-55
+125
°C
Operating range
GND = 0V
Item
Symbol
Condition
Min.
Max.
Unit
Power voltage
VDD
–
1.7
5.5
V
Clock voltage
VCLK
–
1.15
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
AA : 5 ±5 1 x 10-6
Oscillation start-up time
tSTA
Ta = +25 °C, VDD = 2.0 V
1 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
±1 Max.
x 10-6
Aging
fa
Ta = +25 °C, VDD = 3.0 V, first year ±5 Max. x 10-6 / year
1 Equivalent to 15 seconds of monthly deviation (excluding offset.)
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
Standby current
IDD2
fSCL = 0 Hz, FOE = GND
I
_____
NTA, I
_____
NTB = VDD
FOUT ; output off (“L” level)
VDD = 3 V
0.48
1.20 A
“H” input voltage
VIH
SCL, SDA, FOE pins
0.8 VDD
5.5
V
“L” input voltage
VIL
GND -0.3
0.2 VDD
“H” output current
IOH FOUT pins, VOH = VDD -0.5 V
-0.5
mA
“L” output current
IOL1
FOUT pins, VOL = 0.4 V
0.5
IOL2 I
_______
NTA, I
_______
NTB pins, VOL = 0.4 V
1.0
IOL3
SDA pin, VOL = 0.4 V
4.0
Terminal connection
#1
#7
#14
#8
No.
1
2
3
4
5
6
7
Pin terminal
N.C
SCL
FOUT
N.C
TEST
VDD
FOE
No.
14
13
12
11
10
9
8
Pin terminal
N.C
SDA
INTB
GND
INTA
N.C
#1
#11
#14
#22
No.
1
2
3
4
5
6
7
8
9
10
11
Pin terminal
FOE
VDD
(GND)
TEST
FOUT
SCL
SDA
INTB
GND
INTA
N.C
No.
22
21
20
19
18
17
16
15
14
13
12
Pin terminal
N.C
—
External dimensions
(Unit: mm)
(SOP 14-pin)
(SON 22-pin)
7.4
±0.2
3.2
±0.1
5.0
3.1
10.1
±0.2
0.15
1.27
0.35
0.05 Min.
0
° to
10
°
6.3 Max.
4.8
5.0
±0.2
1.3
0.5
0.2
±0.1
0.6
The I2C-Bus is a trademark of Philips Electronics N.V.
Actual size
RX-8025NB
RX-8025SA
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相关代理商/技术参数 |
参数描述 |
|---|---|
| RX-8025SA | 制造商:Epson Toyocom Corporation 功能描述:32.768kHz 0.48uA@3V(Typ.) 1.7 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 Stability,SOP14 |
| RX-8025SA AA | 制造商:Epson Electronics America Inc 功能描述:Real Time Clock Serial 14-Pin SOP Bulk |
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