RTC-7301DG:BS [SEIKO]
REAL TIME CLOCK, PDIP18, DIP-18;
| 型号： | RTC-7301DG:BS |
| 厂家： | 
SEIKO EPSON CORPORATION |
| 描述： | REAL TIME CLOCK, PDIP18, DIP-18 时钟 光电二极管 外围集成电路 |
| 文件： | 总2页 (文件大小：262K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Real time clock module
Product Number (Please contact us)
RTC-7301SF : Q42730182000200
RTC-7301DG : Q42730112000200
REAL TIME CLOCK MODULE (4-bit)
RTC-7301SF DG
/
Built-in crystal unit 32.768 kHz with frequency adjusted
Frequency selectable clock output (32.768 kHz to 1/30 Hz)
Built-in 30 second adjustment function, digital pace adjustment function
(Max. adjustment: 192 10-6)
Built-in alarm and timer interrupt functions.
Built-in semiconductor temperature sensor
(Voltage output: -7.8 mV / C, RTC-7301SF)
Operating voltage range:2.4 V to 5.5 V,
Actual size
time keeping voltage range: 1.6 V to 5.5 V
Low current consumption (0.6 A / 3 V Typ.)
RTC-7301SF
RTC-7301DG
High speed parallel interface compatible with SRAM
Block diagram
32.768 kHz
Control Line
This is a block diagram for RTC-7301SF.
Digital Trimming
REGISTER
DIVIDER
OSC
1
Be aware that RTC-7301DG differs according to the following 2 points.
Temperature
Sensor
CLOCK
and
VTEMP
CALENDAR
1
FOUT
1) The VTEMP output is not connected to an external pin.
2) The FCON input pin is not connected to an external pin,
but is fixed at "H" internally.
TIMER
REGISTER
2
7301SF
7301DG
FOUT
CONTROLLER
FCON
/ IRQ
ALARM
REGISTER
INTERRUPTS
CONTROLLER
A0 A3
CONTROL
REGISTER
and
SYSTEM
CONTROLLER
D0 D3
BUS
INTERFACE
CIRCUIT
/ W R
/ RD
/ CS0
CS1
External dimensions/Terminal connection
(Unit:mm)
RTC-7301SF (SSOP 24-pin)
RTC-7301DG (DIP 18-pin)
No.
Pin
terminal
/CS0
FOUT
/IRQ
A0
A1
A2
A3
/RD
GND
No.
Pin
terminal
No.
Pin
terminal
No.
Pin
terminal
10.2
0.3
23.1 Max.
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
VDD
(VDD)
(VDD)
CS1
D0
D1
D2
D3
/WR
1
2
3
4
5
6
7
8
9
/CS0
FCON
FOUT
VTEMP
(VDD)
/IRQ
A0
A1
A2
A3
/RD
GND
24
23
22
21
20
19
18
17
16
15
14
13
VDD
(VDD)
(VDD)
(VDD)
(VDD)
(VDD)
CS1
D0
D1
D2
D3
/WR
#24
#13
#18
#10
RTC7301
R7301
E 123 4A
E
123 4A
5.4
#1
#9
10
11
12
#1
#12
7.62
0.2
Min.
4.2
0.15
2.0 Max.
Min.
Max.
1.52
0.46
2.54
Min.
0
0 - 10
0.5
0.8
0.36
2.54
0.25
0 -15
The metal case inside of the molding compound may be exposed on the top or bottom of this product.
This purely cosmetic and does not have any effect on quality, reliability or electrical specs.
Specifications (characteristics)
*Refer to application manual for details.
■Absolute Max. rating
GND=0 V
Unit
■DC characteristics
(GND=0 V,VDD=1.6 V to 5.5 V,Ta=-40 C to +85 C)
Item
Symbol
VDD
Conditions
VDD to GND
Input terminal,
D0 to D3 pins
/IRQ pin
Min.
-0.3
Max.
+7.0
Item
Symbol
Conditions
Min.
Typ. Max.
Unit
Supply voltage
/CS0,/RD,/WR=VDD
A0-A3,CS1=GND
D0-D3,/IRQ=Hi-z
FOUT=Hi-z(OFF)
VTEMP=Hi-z(OFF)
Current consumption
(When non-accessed)
FOUT =Output OFF
VTEMP=Output OFF
IDD1
VDD=5 V
VDD=3 V
1.0
0.6
2.0
1.0
Input voltage
VIN
VDD+0.3
V
A
GND-0.3
-55
Output voltage(1) VOUT1
Output voltage(2) VOUT2
+8.0
IDD2
FOUT,D0-D3,VTEMP pin
VDD+0.3
Storage
temperature
Note)There is no VTEMP pin on the RTC-7301DG so standards for
the VTEMP pin within the conditions described above do not apply.
TSTG
Stored as bare product.
+125
C
■Operating range
GND = 0 V
■Temperature sensor characteristics
GND=0 V,Ta=-40 C to +85 C
Item
Symbol
VDD
Conditions
Min.
2.4
1.6
Max.
5.5
Unit
V
Item
Symbol
Conditions
Min.
Typ. Max.
Unit
Power voltage
Clock voltage
Operating
Temperature
output voltage
Ta=+25 C,GND based output voltage
VTEMP pins,VDD=2.7 V to 5.5 V
VTEMP
-
1.470
-
-
V
VCLK
TOPR
No condensation
-40
+85
Output precision
TACR
VSE
Ta=+25 °C,VDD=2.7 V to 5.5 V
-
C
5.0
-8.3
C
temperature
Temperature
sensitivity
Linearity
Temperature
detection range
-7.3
-
-7.8
-40 CTa+85 C,VDD=2.7 V to 5.5 V
-40 CTa+85 C,VDD=2.7 V to 5.5 V
NL ±2.0 %,VDD=2.7 V to 5.5 V
mV/ C
%
■Frequency characteristics
-
-
Item
Frequency
Symbol
Conditions
Range
Unit
10-6
NL
2.0
1)
*
TSOP
-40
+85
f /f
Ta=+25 C,VDD=3.0 V
Ta=+25 C,VDD=2.4 V
B:523 (
C
precision
Oscillation
Start up time
Frequency
temperature
characteristics
Frequency
3.0 Max.
s
Ta=25 C,VTEMP pins,VDD=2.7 V to 5.5 V
t
STA
Output resistance
Load condition
Response time
R0
-
1.0
3.0
k
GND standard and VDD standard
Ta=-10 C to +70 C
VDD=3.0 V ,+25 C
10-6
TOP
+10 / -120
CL
RL
VDD=2.7 V to 5.5 V
VDD=2.7 V to 5.5 V
-
-
-
100
-
pF
Ta=+25 C,
VDD=1.6 V to 5.5 V
Ta=+25 C,
10-6/V
k
f/V
fa
500
2.0 Max.
5.0 Max.
voltage characteristics
10-6/year
VDD=3.3 V
CL=50 pF, RL=500 k, Max. 1 °C
Aging
VDD=3.0 V First year
-
-
200
s
t
RSP
(*1) Please ask tighter tolerance
Note)There is no temperature sensor function on the RTC-7301DG.
PROMOTION OF ENVIRONMENTAL MANAGEMENT SYSTEM
CONFORMING TO INTERNATIONAL STANDARDS
At Seiko Epson, all environmental initiatives operate under the
Plan-Do-Check-Action (PDCA) cycle designed to achieve continuous
ISO 14000 is an international standard for environmental
improvements. The environmental management system (EMS)
operates under the ISO 14001 environmental management standard.
All of our major manufacturing and non-manufacturing sites, in
Japan and overseas, completed the acquisition of ISO 14001
certification.
management that was established by the International
Standards Organization in 1996 against the background of
growing concern regarding global warming, destruction of
the ozone layer, and global deforestation.
WORKING FOR HIGH QUALITY
In order provide high quality and reliable products and services
than meet customer needs,
ISO/TS16949 is the international standard that added the
sector-specific supplemental requirements for automotive
industry based on ISO9001.
Seiko Epson made early efforts towards obtaining ISO9000 series
certification and has acquired ISO9001 for all business
establishments in Japan and abroad. We have also acquired ISO/TS
16949 certification that is requested strongly by major automotive
manufacturers as standard.
►Explanation of the mark that are using it for the catalog
►Pb free.
►Complies with EU RoHS directive.
*About the products without the Pb-free mark.
Contains Pb in products exempted by EU RoHS directive.
(Contains Pb in sealing glass, high melting temperature type solder or other.)
►Designed for automotive applications such as Car Multimedia, Body Electronics, Remote Keyless Entry etc.
►Designed for automotive applications related to driving safety (Engine Control Unit, Air Bag, ESC etc ).
Notice
This material is subject to change without notice.
Any part of this material may not be reproduced or duplicated in any form or any means without the written permission of Seiko Epson.
The information about applied circuitry, software, usage, etc. written in this material is intended for reference only. Seiko Epson does
not assume any liability for the occurrence of infringing on any patent or copyright of a third party. This material does not authorize the
licensing for any patent or intellectual copyrights.
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regulations and follow the procedures required by such laws and regulations.
You are requested not to use the products (and any technical information furnished, if any) for the development and/or manufacture of
weapon of mass destruction or for other military purposes. You are also requested that you would not make the products available to
any third party who may use the products for such prohibited purposes.
These products are intended for general use in electronic equipment. When using them in specific applications that require extremely
high reliability, such as the applications stated below, you must obtain permission from Seiko Epson in advance.
/ Space equipment (artificial satellites, rockets, etc.) / Transportation vehicles and related (automobiles, aircraft, trains,
vessels, etc.) / Medical instruments to sustain life / Submarine transmitters / Power stations and related / Fire work equipment
and security equipment / traffic control equipment / and others requiring equivalent reliability.
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Seiko Epson Corporation
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