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參數(shù)資料
| 型號(hào)： | RTC-72423 |
| 元件分類： | 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO24 |
| 封裝： | SOP-24 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 393K |
| 代理商： | RTC-72423 |
Actual size
http://www.epsontoyocom.co.jp
Real time clock module
Epson Toyocom
Block diagram
Terminal connection/External dimensions
(Unit:mm)
Specifications (characteristics)
*Refer to application manual for details.
Absolute Max. rating
DC characteristics
Item
Symbol
Condition
Min.
Max.
Unit
Item
Symbol
Condition
Min.
Typ.
Max.
Unit Applicable terminal
Supply voltage
VDD
Ta=+25
°C
-0.3
+7.0
IDD1
VDD=5 V
1
10
-
Input voltage
VI/O
Ta=+25
°C
GND-0.3
VDD+0.3
V
Current consumption
IDD2
CS1= 0 V
Exclude input/
output current V
DD
=2 V
-
0.9
5
A
-
RTC-72421
-55
+85
HIGH input voltage (1)
VIH1
2.2
-
Storage
temperature *
TSTG
RTC-72423
-55
+125
°C
LOW input voltage (1)
VIL1
-
0.8
V
All inputs other than
CS1
*Stored as bare product after unpacking
LOW output voltage (1)
VOL1
IOL=2.5 mA
-
0.4
Operating range
HIGH output voltage
VOH
IOH=-400 A
2.4
-
D0 to D3
Item
Symbol
Condition
Min.
Max.
Unit
LOW output voltage (2)
VOL2
IOL=2.5 mA
0.4
V
Power voltage
VDD
-
4.5
5.5
OFF leak current
IOFFLK
V1=VDD/0 V
-
10/-10
A
STD.P
Clock voltage
VCLK
-
2.0
5.5
V
10
Input other than
D0 to D3
RTC-72421
-10
+70
Input capacity
C1
Input frequency
1 MHz
-
20
pF
D0 to D3, STD.P
Operating
temperature
TOPR
RTC-72423
-40
+85
°C
HIGH input voltage (2)
VIH2
4/5 VDD
-
Stored as bare produc after unpacking
LOW input voltage (2)
VIL2
VDD=2.0 V to 5.5 V
-
1/5 VDD
V
CS1
Frequency characteristics
Input leak current (1)
ILK1
1/-1
A
Input other than
D0 to D3
Item
Symbol
Condition
Range
Unit
Input leak current (2)
ILK2
V1=VDD/0 V
-
10/-10
D0 to D3
72421A
±10
72421B
±50
72423A
±20
Frequency
precision
f /f T
a
=+25 °C
VDD=5.0 V
72423
±50
-10
°C to +70 °C (+25 °C)
+10 / -120
Frequency
temperature
characteristics
TOP
-40
°C to +85 °C(+25 °C)
+10 / -220
×10-6
Frequency voltage
characteristics
f/V
Ta=+25
°C,VDD=2.0 V to 5.5 V ±5.0 Max. ×10-6/V
Aging
fa
Ta=+25
°C,VDD=5.0 V,First year ±5.0 Max. ×10-6/year
OS C
RE SE T
bit
STO P
bit
30 sec A DJ
bit
Cou nter
HOL D
bit
BU SY
bit
D3
D2
D1
D0
WR
RD
A3
A2
A1
A0
CS 0
AL E
CS 1
S1
S10
M I1
M I1 0
H1
H 10
W
D1
D 10
M O1 MO 10
Y1
Y10
64 Hz
1 S ec o nd ca rry
1 M inute c arry
1 H ou r c arry
S1 to
CF
C D
CE
CF
Ga te
La tc h
Decoder
24 /1 2
bit
RTC -7 2421/7 2423
STD.P
Outp ut
Se lec to r
RTC-72421
RTC-72423
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).
Metal may be exposed on the top or bottom of this product. This will not affect any quality, reliability or electrical spec.
RTC-72421 (DIP 18-pin)
7.62
0
° -15°
0.25
0.46
4.2
Max.
3.3
Min.
0.2
Min.
2.54
1.52
23.1 Max.
6.
3
#1
#18
#10
#9
RTC72421 A
EPSON
1234A
No.
Pin
te rmin al
No.
Pin
terminal
1
STD.P
18
V DD
2
/C S0
17
(VDD)
3
ALE
16
(VDD)
4
A0
15
C S1
5
A1
14
C 0
6
A2
13
D 1
7
A3
12
D 2
8
/R D
11
D 3
9
GN D
10
/W R
RTC-72423 (SOP 24-pin)
1.0
0.2
0
° - 10°
0.2
0
° - 10°
1.27
0.35
2.8 Max.
0.1 Min.
2.8 Max.
0.1 Min.
#12
#1
16.3 Max.
#24
#13
7.
9
12.
2
M
a
x
.
RTC 62423
EPSON 1234A
#12
#1
16.3 Max.
#24
#13
7.
9
12.
2
M
a
x
.
RTC 72423
EPSON 1234A
No .
Pin
terminal
No.
Pin
terminal
1
STD.P
24
VDD
2
/CS0
23
(VDD)
3
N.C.
22
(VDD)
4
A LE
21
N.C.
5
A 0
20
CS 1
6
N.C.
19
D0
7
A 1
18
N.C.
8
N.C.
17
N.C.
9
A 2
16
D1
10
A 3
15
D2
11
/RD
14
D3
12
GND
13
/WR
Product Number (Please contact us)
RTC-72421 : Q42724211xxxx00
RTC-72423 : Q42724231xxxx00
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| RTC-7301SFB-0 | REAL TIME CLOCK, PDSO24 |
| RTC-8564JEB-0 | REAL TIME CLOCK, PDSO20 |
| RTC-8564JE | 0 TIMER(S), REAL TIME CLOCK, PDSO20 |
| RTC-8564JE | 0 TIMER(S), REAL TIME CLOCK, PDSO20 |
| RTC-8564JE | REAL TIME CLOCK, PDSO20 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RTC-72423 A | 制造商:Epson Toyocom Corporation 功能描述:32.768kHz 1.0uA@5ViTyp.j -3.0V to +7.0V 16.3~12.2~2.8mm +85 -40 }20ppm@+25/5.0V 16.3mm 12.2mm 2.8mm |
| RTC-72423 B | 制造商:Epson Toyocom Corporation 功能描述:32.768kHz 1.0uA@5ViTyp.j -3.0V to +7.0V 16.3~12.2~2.8mm +85 -40 }50ppm@+25/5.0V 16.3mm 12.2mm 2.8mm Bulk |
| RTC-72423(F)A | 制造商:Epson Toyocom Corporation 功能描述:Cut Tape |
| RTC-72423(F)B | 制造商:Epson Toyocom Corporation 功能描述:Cut Tape |
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