参数资料
型号: RTC-4543SB:B-0
元件分类: 时钟/数据恢复及定时提取
英文描述: REAL TIME CLOCK, PDSO18
封装: SOP-18
文件页数: 13/16页
文件大小: 224K
RTC - 4543 SA/SB
Page
3
ETM09E-02
5. Electrical Characteristics
5-1. Absolute Maximum Ratings
Item
Symbol
Conditions
Min.
Max.
Unit
Supply voltage
VDD
-0.3
7.0
V
Input voltage
VI
Ta=+25
°C
GND-0.3
VDD+0.3
V
Output voltage
VO
GND-0.3
VDD+0.3
V
Storage temperature
TSTG
-
-55
+125
°C
5-2. Operating Condition
Item
Symbol
Conditions
Min.
Max.
Unit
Operating supply
voltage
VDD
-
2.5
5.5
V
Data holding voltage
VCLK
-
1.4
5.5
V
Operating temperature
TOPR
No condensation
-40
+85
°C
5-3. Frequency Characteristics
Item
Symbol
Conditions
Max.
Unit
Frequency tolerance
Δf/fO
Ta=+25
°C , VDD=5.0 V
5
± 23 *
×10-6
Frequency temperature
characteristics
Top
-10to+70
°C +25 °C ref
+ 10 / - 120
×10-6
Frequency voltage
characteristics
f/V
Ta=+25
°C , VDD=2.0 to 5.5 V
± 2
×10-6/V
Oscillation start time
tSTA
Ta=+25
°C , VDD=2.5 V
3
s
Aging
fa
Ta=+25
°C , VDD=5 V , first year
± 5
×10-6
*
Monthly deviation: Approx. 1 min.
5-4. DC Characteristics
Unless specified otherwise: VDD = 5 V
± 10 %, Ta = - 40 to +85 °C
Item
Symbol
Conditions
Min.
Typ.
Max.
Unit
Current consumption(1)
IDD1
VDD=5.0 V
CE=L , FOE=L
1.5
3.0
μA
Current consumption(2)
IDD2
VDD=3.0 V
FSEL=H
1.0
2.0
μA
Current consumption(3)
IDD3
VDD=2.0 V
0.5
1.0
μA
Current consumption(4)
IDD4
VDD=5.0 V
CE=L , FOE=H
4.0
10.0
μA
Current consumption(5)
IDD5
VDD=3.0 V
FSEL=L
2.5
6.5
μA
Current consumption(6)
IDD6
VDD=2.0 V
No load on the
FOUT pin
1.5
4.0
μA
Input voltage
VIH
WR,DATA,CE,CLK,
0.8 VDD
V
VIL
FOE,FSEL pins
0.2 VDD
V
Input off/leak current
IOFF
WR,CE,CLK,FOE,FSEL pins
VIN = VDD or GND
0.5
μA
VOH(1)
VDD=5.0 V
IOH=-1.0 mA
4.5
V
Output voltage
VOH(2)
VDD=3.0 V
DATA , FOUT pins
2.0
V
VOL(1)
VDD=5.0 V
IOL= 1.0 mA
0.5
V
VOL(2)
VDD=3.0 V
DATA , FOUT pins
0.8
V
Output load condition
( fanout )
N / CL
FOUT pin
2 LSTTL / 30 pF Max.
Output leak current
IOZH
VOUT=5.5 V DATA , FOUT pins
-1.0
1.0
μA
IOZL
VOUT=0 V
DATA , FOUT pins
-1.0
1.0
μA
Supply voltage detection
voltage
VDT
-
1.4
1.7
2.0
V
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