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参数资料
| 型号： | RTC-62423B-0 |
| 厂商： | EPSON TOYOCOM CORP |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | REAL TIME CLOCK, PDSO24 |
| 封装： | SOP-24 |
| 文件页数： | 21/24页 |
| 文件大小： | 195K |
| 代理商： | RTC-62423B-0 |
RTC - 62421 / 62423
Page - 3
MQ152-05
! Characteristics
1. Absolute maximum ratings
Item
Symbol
Condition
Specifications
Unit
Supply voltage
VDD
Ta=+25
°C
-0.3 to 7.0
Input voltage
VI
Ta=+25
°C
GND-0.3 to VDD+0.3
Output voltage
VO
Ta=+25
°C
GND-0.3 to VDD+0.3
V
RTC-62421
-55 to +85
Storage temperature
TSTG
RTC-62423
-55 to +125
°C
RTC-62421
No higher than +260
°C for no more than 10 seconds
on the leads
(no higher than +150
°C within the package)
Soldering conditions
TSOL
RTC-62423
No higher than +260
°C twice for no more than 10
seconds, or no higher than +230
°C for no more than
3 minutes
2. Operating conditions
Item
Symbol
Condition
Specifications
Unit
Supply voltage
VDD
4.5 to 5.5
V
Operating temperature
TOPR
No condensation
-40 to +85
°C
Data hold voltage
VDH
2.0 to 5.5
V
CS1 data hold time
TCDR
Operation recovery time
tr
See the section on data
hold timing (page 17)
2.0 Min.
s
3. Frequency characteristics and current consumption characteristics
Item
Symbol
Condition
Specifications
Unit
RTC-62421A
± 10
RTC-62421B
± 50
RTC-62423A
± 20
Frequency tolerance
f/f0
Ta=+25
°C
VDD=5.0 V
RTC-62423
± 50
-10
°C to +70 °C (reference 25°C)
+10 /
120
Frequency temperature
characteristics
-40
°C to +85 °C (reference 25°C)
+10 /
220
x 10
-6
Frequency voltage
characteristics
Ta=+25
°C
VDD=4.5 V to 5.5 V
± 5 Max.
x 10
-6 / V
Aging
fa
VDD=5.0 V, Ta=+25
°C
± 5 Max.
x 10
-6 / year
Shock resistance
S.R.
Drop test of 3 times on a hard board from 750 mm
height, or 29400 m/s
2 x 0.3 ms x 1/2sine wave x 3
directions
± 10 Max.
x10
-6
IDD1
VDD=5.0 V
15 Typ.
30 Max.
Current consumption
IDD2
Ta=+25
°C,CS1=0 V
I/O currents excluded
VDD=2.0 V
1 Typ.
1.8 Max.
A
4. Electrical characteristics (DC characteristics)
Item
Signal
Condition
Applicable pins
Min.
Typ.
Max.
Unit
High input voltage 1
VIH1
2.2
Low input voltage 1
VIL1
All input pins except for CS1
0.8
V
Input leakage current 1
ILK1
Input pins except for D0 to D3
1 /-1
Input leakage current 2
ILK2
VI=VDD /0 V
10 /-10
A
Low output voltage 1
VOL1
IOL=2.5 mA
0.4
High output voltage
VOH
IOH=-400
A
2.4
V
Low output current 1
IOL1
VOL1=0.4 V
2.5
mA
High output current
IOH
VOH=2.4 V
D0 to D3
-400
A
Low output voltage 2
VOL2
IOL=2.5 mA
0.4
V
Low output current 2
IOL2
VOL2=0.4 V
2.5
mA
Off-state leakage current
IOFFLK
VI=VDD /0 V
STD.P
10 /-10
A
Input capacitance
CI
Input frequency
1 MHz
Input pins
5
pF
High input voltage 2
VIH2
4/5VDD
Low input voltage 2
VIL2
VDD=2.0 V to 5.5 V
CS1
1/5VDD
V
Oscillation start time
tOSC
See note 1
1
s
Note 1: When Ta = +25
°C, measured from the time at which VDD goes to 4.5 V; the STD.P pin output is 64 Hz.
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