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参数资料
| 型号： | RTC-4574NBB-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, PDSO22 |
| 封装： | SON-22 |
| 文件页数： | 1/3页 |
| 文件大小： | 273K |
| 代理商： | RTC-4574NBB-3 |
83
Real time clock module
84
Real time clock module
The details are mentioned in the application manual.
Actual size
RTC-4574JE
RTC-4574SA
SERIAL REAL TIME CLOCK MODULE
RTC-4574SA / JE / NB
Product number (please refer to page 5)
Q 4 1 4 5 7 4 5 x 0 0 0 2 0 0
Q 4 1 4 5 7 4 7 x 0 0 0 1 0 0
Q 4 1 4 5 7 4 9 x x x x x 0 0
Built-in crystal unit allows adjustment-free efficient operation.
Serial interface which can be controlled by three signal lines.
Alarm interrupt function for day of week, day, hour, and minute.
Timer interrupt function which can be set up between 1/4096 second and 255 minutes .
Dedicated interrupt output of the two systems (alarm and regular cycle) which allows software masking.
Ability to detect stopping of oscillation and time update.
Wide range of interface voltage and clock voltage between 1.6 V and 5.5 V.
Low power consumption at 0.5 A / 3 V. (Typ.)
Available for lead (Pb) - free soldering.
Available for lead (Pb) - free terminal.
Specifications (characteristics)
Absolute Max. rating
Item
Symbol
Condition
Min.
Max.
Unit
Supply voltage
VDD
VDD to GND
-0.3
+7.0
V
Input voltage
VIN
Input Pin
GND -0.3
VDD +0.3
Output voltage
VOUT1
T
_______
IRQ, A
_______
IRQ
+8.0
VOUT2
FOUT, DATA
VDD +0.3
Storage temperature
TSTG
Stored as bare product
after unpacking
-55
+125
°C
Operating range
Item
Symbol
Condition
Min.
Max.
Unit
Power voltage
VDD
1.6
5.5
V
Clock voltage
VCLK
Operating temperature
TOPR
No condensation
-40
+85
°C
Frequency characteristics
Item
Symbol
Condition
Range
Unit
Frequency tolerance
Δf/f
Ta = +25 °C, VDD = 3 V
B: 5 ±23 x 10-6
Oscillation start up time
tSTA
Ta = +25 °C, VDD = 1.6 V
3 Max.
s
Frequency temperature
characteristics
Top
Ta = -20 °C to +70 °C
Reference at +25 °C
+10
-120
x 10-6
Frequency voltage characteristics
f/V
Ta = +25 °C, VDD = 1.6 V to 5.5 V
±2
x 10-6 / V
Aging
fa
Ta = +25 °C, VDD = 3 V
±5
x 10-6 / year
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
Standby current 1
IDD2
VDD = 5 V
CE0,CE1= GND
DATA ,A
____
IRQ, T
_____
IRQ VDD
–
1.0
2.0
A
Standby current 2
IDD2
VDD = 3 V
0.5
1.0
Input voltage
VIH
CE0, CE1, CLK,
DATA, FCON pins
0.8 VDD
–
VDD
V
VIL
0
0.2 VDD
Output voltage 1
VOH1
VDD = 5 V
IOH = -1 mA
DATA, FOUT pins
4.5
–
5.0
V
VOH2
VDD = 3 V
2.0
3.0
VOH3
IOH = -100 A
DATA, FOUT pins
2.9
Output voltage 2
VOL1
VDD = 5 V
IOL = 1 mA
DATA, FOUT pins
GND
GND +0.5
VOL2
VDD = 3 V
GND +0.8
VOL3
IOL = 100 A
DATA, FOUT pins
GND +0.1
VOL4
VDD = 5 V
IOL = 1 mA
A
______
IRQ, T
______
IRQ pins
GND +0.25
VOL5
VDD = 3 V
GND +0.4
External dimensions / Terminal connection (Unit: mm)
No.
1
2
3
4
5
6
7
Pin terminal
GND
FOUT
N.C
VDD
No.
14
13
12
11
10
9
8
Pin terminal
FCON
CE1
DATA
CLK
TIRQ
AIRQ
CE0
No.
1
2
3
4
5
6
7
8
9
10
Pin terminal
VDD
FOUT
CE0
AIRQ
TIRQ
CLK
DATA
CE1
FCON
GND
No.
20
19
18
17
16
15
14
13
12
11
Pin terminal
N.C
#1
#7
#20
#11
#1
#10
#22
#14
#1
#11
#8
#14
(SOP 14-pin)
(VSOJ 20-pin)
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°
Metal may be exposed on the top or bottom of this product. This won't affect any quality, reliability or electrical spec.
1.5
Max.
5.4
1.3
(0.75)
7.0
±0.3
6.0
±0.2
0.65
0.22 0 Min.
No.
1
2
3
4
5
6
7
8
9
10
11
Pin terminal
GND
FCON
N.C
CE1
DATA
CLK
TIRQ
AIRQ
CE0
FOUT
VDD
No.
22
21
20
19
18
17
16
15
14
(13)
(12)
Pin terminal
N.C
-
(SON 22-pin)
6.3 Max.
4.8
5.0
±0.2
1.3
0.5
0.2
±0.1
RTC-4574NB
相关PDF资料 |
PDF描述 |
|---|---|
| RTC-4574JEB-0 | REAL TIME CLOCK, PDSO20 |
| RTC-4701JEB-3 | REAL TIME CLOCK, PDSO20 |
| RTC-4701JE | 0 TIMER(S), REAL TIME CLOCK, PDSO20 |
| RTC-4701NB | 0 TIMER(S), REAL TIME CLOCK, DSO22 |
| RTC-4701NB | 0 TIMER(S), REAL TIME CLOCK, PDSO22 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| RTC-4574SA | 制造商:Epson Toyocom Corporation 功能描述:32.768kHz 0.5uA@3ViTyp.j 10.1~5.0~3.2mm +85 -40 5}23ppm@+25/3.0V 10.1mm 5mm 3.2mm Cut Tape 制造商:Epson Toyocom 功能描述:RTC module,3Wire Serial,Alarm,SOP14 |
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