參數(shù)資料
型號(hào)： RTC-62421AS
廠商： EPSON TOYOCOM CORP
元件分類： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： REAL TIME CLOCK, PDIP18
封裝： DIP-18
文件頁數(shù)： 1/2頁
文件大?。?/td> 298K
代理商： RTC-62421AS
73
4-bit REAL TIME CLOCK MODULE
RTC - 62421 / 62423
Product number (please contact us)
RTC-62421
: Q42624211xxxx00
RTC-62423
: 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.
Refer to application manual for details.
■ Block diagram
■ Specifications (characteristics)
■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
15
30
-
Input voltage
VI/O
Ta=+25 °C
GND-0.3
VDD+0.3
V
Current consumption
IDD2
CS1= 0 V
VDD=2 V
-
1
1.8
A
-
RTC-62421
-55
+85
“H” input voltage (1)
VIH1
2.2
-
Storage
temperature *
TSTG
RTC-62423
-55
+125
°C
“L” input voltage (1)
VIL1
-
0.8
V
All inputs other than
CS1
*Stored as bare product after unpacking
“L” output voltage (1) VOL1
IOL=2.5 mA
-
0.4
■Operating range
“H” output voltage
VOH
IOH=-400 A
2.4
-
D0 to D3
Item
Symbol
Condition
Min.
Max.
Unit
“L” 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
Input capacity
C1
Input frequency 1 MHz
-
5
pF
Input Pins
Operating
temperature
TOPR
Stored as bare product
after unpacking
-40
+85
°C
“H” input voltage (2)
VIH2
4/5 VDD
-
■Frequency characteristics
“L” input voltage (2)
VIL2
VDD=2.0 V to 5.5 V
-
1/5 VDD
V
CS1
Item
Symbol
Condition
Range
Unit
Input leak current (1) ILK1
1/-1
Input other than
D0 to D3
62421A
±10
Input leak current (2) ILK2
V1=VDD/0 V
-
10/-10
A
D0 to D3
62421B
±50
62423A
±20
Frequency
precision
f /f
Ta=+25 °C
VDD=5.0 V
62423
±50
×10
-6
-10 °C to +70 °C (+25 °C)
+10 / -120
Frequency
temperature
characteristics
TOP
-40 °C to +85 °C(+25 °C)
+10 / -220
Frequency voltage
characteristics
f/V
Ta=+25 °C,VDD=4.5 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
■ Terminal connection/External dimensions
(Unit:mm)
Real time clock module
OSC
RESET
bit
STO P
bit
30 sec AD J
bit
C ounter
HO LD
bit
BU SY
bit
D
WR
RD
A
CS0
ALE
CS1
S1
S10
M I1
MI10
H 1
H10
W
D1
D 10
M O1 MO 10
Y1
Y10
64 H z
1 Second carry
1 M inute carry
S1 to C F
CD
CE
CF
Gate
Latch
D ecoder
24/12
bit
STD .P
O utput
Selector
VDD
3
D2
D1
D0
3
A2
A1
A0
1 H our carry
Metal may be exposed on the top or bottom of this product. This will not affect any quality, reliability or electrical spec.
RTC-62421 (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
RTC62421 A
EPSON
1234A
RTC-62423 (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
1
2.2
M
ax
.
RTC62423
EPSON 1234A
#12
#1
16.3 Max.
#24
#13
7.
9
1
2.2
M
ax
.
RTC62423
EPSON 1234A
No.
Pin
terminal
No.
Pin
terminal
1
STD.P
18
VDD
2
/CS0
17
(VDD)
3
ALE
16
(VDD)
4
A0
15
CS1
5
A1
14
C0
6
A2
13
D1
7
A3
12
D2
8
/RD
11
D3
9
GND
10
/WR
No.
Pin
terminal
No.
Pin
terminal
1
STD.P
24
VDD
2
/CS0
23
(VDD)
3
N.C.
22
(VDD)
4
ALE
21
N.C.
5
A0
20
CS1
6
N.C.
19
D0
7
A1
18
N.C.
8
N.C.
17
N.C.
9
A2
16
D1
10
A3
15
D2
11
/RD
14
D3
12
GND
13
/WR
Actual size
RTC-62421
RTC-62423
http://www.epsondevice.com
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RTC62421-SERIES 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC
RTC62422 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
RTC62423 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
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