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RTC-62423B0ROHS PDF预览

RTC-62423B0ROHS

更新时间: 2024-09-25 14:44:31
品牌 Logo 应用领域
精工 - SEIKO 双倍数据速率光电二极管外围集成电路
页数 文件大小 规格书
2页 298K
描述
REAL TIME CLOCK, PDSO24, ROHS COMPLIANT, SOP-24

RTC-62423B0ROHS 数据手册

 浏览型号RTC-62423B0ROHS的Datasheet PDF文件第2页 
Real time clock module  
4-bit REAL TIME CLOCK MODULE  
RTC-62421 62423  
/
Product number (please contact us)  
RTC-62421  
RTC-62423  
: Q42624211xxxx00  
: Q42624231xxxx00  
Built-in crystal unit allows adjustment-free efficient operation.  
24 h /12 h changeable and leap year automatically adjustable  
(Gregorian calendar).  
Pins and functions are compatible with the MSM6242 series.  
Complies with EU RoHS directive.  
RTC-62421  
RTC-62423  
Actual size  
Refer to application manual for details.  
http://www.epsondevice.com  
Block diagram  
OSC  
Counter  
D
D3  
BUSY  
bit  
RESET  
bit  
STOP  
bit  
HOLD  
bit  
D2  
Gate  
Gate  
24/12  
bit  
D1  
0
30 sec ADJ  
bit  
W
S1  
S10  
D10  
MI1 MI10  
H1  
Y1  
H10  
WR  
RD  
S1 to CF  
A3  
A
A2  
MO10  
MO1  
D1  
Y10  
Latch  
A1  
0
CS0  
Decoder  
Output  
DD  
V
Selector  
ALE  
CS1  
STD.P  
64 Hz  
1
1
1
Second carry  
Minute carry  
Hour carry  
CD  
CE  
CF  
Specifications (characteristics)  
Absolute Max. rating  
DC characteristics  
Item  
Symbol  
V
Condition  
Min.  
-0.3  
Max.  
Unit  
Item  
Symbol  
Condition  
Min. Typ.  
Max.  
30  
Unit Applicable terminal  
µA  
Supply voltage  
Input voltage  
Storage  
T
=+25 °C  
+7.0  
DD+0.3  
+85  
I
V
=5 V  
15  
VDI/OD  
Ta  
a=+25 °C  
GND-0.3  
-55  
V
IDDDD21  
VDDDD=2 V  
1
1.8  
Current consumption  
V
CS  
1
= 0 V  
RTC-62421  
RTC-62423  
“H” input voltage (1)  
“L” input voltage (1)  
“L” output voltage (1)  
V
IH1  
IL1  
2.2  
All inputs other than  
V
TSTG  
°C  
temperature *  
CS  
1
-55  
+125  
V
0.8  
0.4  
*Stored as bare product after unpacking  
V
OL1  
I
OL=2.5 mA  
OH=-400 µA  
OL=2.5 mA  
=VDD/0 V  
Input frequency 1 MHz  
D0 to D3  
V
“H” output voltage  
V
OH  
I
2.4  
Operating range  
Item  
Symbol  
Condition  
Min.  
4.5  
Max.  
5.5  
Unit  
V
“L” output voltage (2)  
OFF leak current  
Input capacity  
V
OL2  
I
0.4  
STD.P  
Power voltage  
Clock voltage  
Operating  
V
DD  
I
OFFLK  
V
1
10/-10 µA  
pF  
V
CLK  
2.0  
5.5  
C
1
5
Input Pins  
Stored as bare product  
after unpacking  
TOPR  
-40  
+85  
°C  
“H” input voltage (2)  
V
IH2  
4/5 VDD  
temperature  
V
DD=2.0 V to 5.5 V  
V
CS1  
“L” input voltage (2)  
V
IL2  
1/5 VDD  
Frequency characteristics  
Input other than  
Item  
Symbol  
Condition  
Range  
Unit  
Input leak current (1)  
Input leak current (2)  
I
LK1  
1/-1  
µA  
10/-10  
V1=VDD/0 V  
D
to D  
62421A  
±10  
±50  
±20  
±50  
ILK2  
D0  
0
to D3  
3
62421B  
62423A  
62423  
Frequency  
precision  
T =+25 °C  
VaDD=5.0 V  
f /f  
×10-6  
Frequency  
temperature  
characteristics  
-10 °C to +70 °C (+25 °C)  
-40 °C to +85 °C(+25 °C)  
=+25 °C,VDD=4.5 V to 5.5 V  
+10 / -120  
+10 / -220  
±5.0 Max.  
TOP  
Frequency voltage  
characteristics  
f/V  
fa  
T
a
×10-6/V  
Aging  
Ta  
=+25 °C,VDD=5.0 V,First year  
±5.0 Max. ×10-6/year  
Terminal connection/External dimensions  
(Unit:mm)  
RTC-62421 (DIP 18-pin)  
RTC-62423 (SOP 24-pin)  
No.  
Pin  
terminal  
No.  
Pin  
No.  
Pin  
No.  
Pin  
terminal  
terminal  
terminal  
23.1 Max.  
116.3 MMaaxx..  
1
2
STD.P  
/CS0  
N.C.  
ALE  
A0  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
VDD  
1
2
3
4
5
6
7
8
9
STD.P  
/CS0  
ALE  
A0  
18  
17  
16  
15  
14  
13  
12  
11  
10  
VDD  
(VDD  
(VDD  
CS1  
C0  
(VDD  
(VDD  
N.C.  
CS1  
)
)
#18  
#10  
#
2
4
#113  
)
)
3
RTC62421 A  
4
5
A1  
RTC62423  
EPSON 1234A  
EPSON 1234A  
6
N.C.  
A1  
D
0
A
2
A3  
D
1
7
N.C.  
#1  
#9  
D2  
8
N.C.  
N.C.  
/RD  
GND  
D3  
9
A
2
A3  
D
1
D2  
/WR  
10  
11  
12  
#
1
#112  
/RD  
GND  
D3  
/WR  
7.62  
0.2  
4.2  
00.2  
Min.  
Max.  
2.8 MMaaxx..  
1.52  
0.46  
3.3  
0
.
1
M
°
°°  
10  
0
-
Min.  
1.0  
0.35  
2.54  
1.27  
0.25  
°
°
0
-15  
Metal may be exposed on the top or bottom of this product. This will not affect any quality, reliability or electrical spec.  
73  

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