5秒后页面跳转
RTC-72423 PDF预览

RTC-72423

更新时间: 2024-09-25 06:08:55
品牌 Logo 应用领域
EPSONTOYOCOM 外围集成电路光电二极管ISM频段双倍数据速率时钟
页数 文件大小 规格书
2页 288K
描述
4-bit REAL TIME CLOCK MODULE

RTC-72423 数据手册

 浏览型号RTC-72423的Datasheet PDF文件第2页 
Real time clock module  
Epson Toyocom  
Product Number (Please contact us)  
RTC-72421 : Q42724211xxxx00  
RTC-72423 : Q42724231xxxx00  
4-bit REAL TIME CLOCK MODULE  
RTC-72421  
RTC-72423  
Built-in crystal unit allows adjustment-free efficient operation.  
24 h /12 h changeable and leap year automatically adjustable  
(Gregorian calendar).  
Actual size  
RTC-72421  
RTC-72423  
Block diagram  
RTC-72421/72423  
OS C  
Counter  
D3  
R ESET S TOP  
H OLD BU SY  
D2  
D1  
D0  
Gate  
Gate  
bit  
bit  
bit  
bit  
24/12  
bi t  
30 sec AD J  
bit  
S1  
S 10  
D 10  
MI1 M I10  
H 1  
Y1  
H 10  
Y10  
W
W R  
R D  
S1 to  
CF  
A3  
A2  
D1  
M O1 MO10  
Decoder  
A1  
Latch  
A0  
C S0  
O utput  
Selec tor  
ALE  
C S1  
STD.P  
64 Hz  
1 Second carry  
1 M inute carry  
C F  
1 H our carry  
C D  
CE  
Terminal connection/External dimensions  
(Unit:mm)  
RTC-72421 (DIP 18-pin)  
RTC-72423 (SOP 24-pin)  
No.  
Pin  
te rmina l  
No.  
Pin  
te rmina l  
DD  
V
No.  
Pin  
te rmina l  
STD.P  
No.  
Pin  
te rmina l  
DD  
V
16.3 Max.  
23.1 Max.  
#24  
#1 3  
#18  
#10  
1
2
3
4
5
6
7
8
9
STD.P  
18  
17  
16  
15  
14  
13  
12  
11  
10  
1
2
3
4
5
6
7
8
9
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
0
DD  
/CS  
(V  
)
)
0
DD  
/CS  
(V  
(V  
)
)
ALE  
(VDD  
DD  
RTC72421 A  
N.C.  
0
1
A
CS  
C0  
ALE  
N.C.  
RTC72423  
A1  
2
0
1
EPSON 1234A  
A
CS  
0
D
1
A
A
D
D
N.C.  
A1  
EPSON 1234A  
#1  
#9  
3
2
N.C.  
N.C.  
D1  
/RD  
GND  
D3  
N.C.  
A2  
/W R  
#1  
#12  
3
2
10  
11  
12  
A
D
D
3
/RD  
GND  
7.62  
/WR  
0.2  
Min.  
4.2  
0.2  
2.8 Max.  
0.1 Min.  
Max.  
1.52  
0.46  
3.3  
Min.  
° °  
- 10  
0
1.0  
0.35  
1.27  
2.54  
0.25  
°
°
-15  
0
Metal may be expo sed o n the top or bottom of th is pro duct. This will not affect any qu ality, re liability o r electrical spec.  
Specifications (characteristics)  
*Refer to application manual for details.  
Absolute Max. rating  
DC characteristics  
Item  
Symbol  
Condition  
=+25 °C  
=+25 °C  
Min.  
-0.3  
Ma x.  
+7.0  
Unit  
Item  
Symbol  
Condition  
1= 0 V  
Min.  
Typ.  
1
Ma x. Unit Applicable terminal  
10  
CS  
Supply voltage  
VDD  
T
a
I
DD1  
DD2  
IH1  
IL1  
OL1  
OH  
OL2  
OFFLK  
V
DD=5 V  
V
Current consumption  
Exclude input/  
output current  
µA  
Input voltage  
VI/O  
Ta  
GND-0.3  
V
DD+0.3  
I
V
DD=2 V  
0.9  
5
RTC-72421  
RTC-72423  
-55  
-55  
+85  
HIGH input voltage (1)  
LOW input voltage (1)  
LOW output voltage (1)  
V
2.2  
Storage  
temperature *  
All inputs other than  
V
TSTG  
°C  
CS1  
+125  
V
0.8  
0.4  
V
I
OL=2.5 mA  
OH=-400 µA  
OL=2.5 mA  
=VDD/0 V  
*Stored as bare product after unpacking  
D0 to D3  
HIGH output voltage  
V
I
2.4  
V
Operating range  
Item  
Power voltage  
LOW output voltage (2)  
OFF leak current  
V
I
0.4  
Symbol  
VDD  
Condition  
Min.  
4.5  
Ma x.  
5.5  
Unit  
V
STD.P  
I
V1  
10/-10 µA  
Input other than  
Clock voltage  
VCLK  
2.0  
5.5  
10  
20  
Input frequency  
1 MHz  
Input capacity  
C
1
pF  
D
0
to D  
3
RTC-72421  
RTC-72423  
-10  
-40  
+70  
+85  
D
0
to D , STD.P  
3
Operating  
temperature  
TOPR  
°C  
HIGH input voltage (2)  
LOW input voltage (2)  
V
IH2  
IL2  
LK1  
LK2  
4/5 VDD  
V
DD=2.0 V to 5.5 V  
V
CS  
1
V
1/5 VDD  
Stored as bare produc after unpacking  
Input other than  
Input leak current (1)  
Input leak current (2)  
I
1/-1  
µA  
Frequency characteristics  
D
D
0
0
to D  
to D  
3
3
V1=VDD/0 V  
I
10/-10  
Item  
Symbol  
Condition  
Range  
Unit  
72421A  
72421B  
72423A  
72423  
±10  
±50  
±20  
±50  
Frequency  
precision  
T
V
a
=+25 °C  
f /f  
DD=5.0 V  
×10-6  
Frequency  
temperature  
characteristics  
Frequency voltage  
characteristics  
-10 °C to +70 °C (+25 °C)  
+10 / -120  
+10 / -220  
TOP  
-40 °C to +85 °C(+25 °C)  
f/V  
fa  
T
a
=+25 °C,VDD=2.0 V to 5.5 V ±5.0 Max. ×10-6/V  
Ta  
=+25 °C,VDD=5.0 V,First year ±5.0 Max. ×10-6/year  
Aging  
http://www.epsontoyocom.co.jp  

与RTC-72423相关器件

型号 品牌 获取价格 描述 数据表
RTC-72423:A-0 SEIKO

获取价格

REAL TIME CLOCK
RTC-72423:A-3 SEIKO

获取价格

REAL TIME CLOCK
RTC-72423:B-0 SEIKO

获取价格

REAL TIME CLOCK
RTC-72423:B-3 SEIKO

获取价格

REAL TIME CLOCK
RTC72423A ETC

获取价格

Peripheral IC
RTC-72423A ETC

获取价格

Real-Time Clock
RTC-72423A:PURESN SEIKO

获取价格

REAL TIME CLOCK, PDSO24, ROHS COMPLIANT, SOP-24
RTC-72423A-0 SEIKO

获取价格

0 TIMER(S), REAL TIME CLOCK, PDSO24, SOP-24
RTC-72423A0:PURESN SEIKO

获取价格

REAL TIME CLOCK, PDSO24, ROHS COMPLIANT, SOP-24
RTC-72423A0:ROHS SEIKO

获取价格

REAL TIME CLOCK, PDSO24, ROHS COMPLIANT, SOP-24