參數資料
型號: S-35399A03-J8T2G
元件分類: 時鐘/數據恢復及定時提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO8
封裝: LEAD FREE, SOP-8
文件頁數: 45/53頁
文件大?。?/td> 472K
代理商: S-35399A03-J8T2G
2-WIRE REAL-TIME CLOCK
Rev.2.0_00
S-35399A03
Seiko Instruments Inc.
5
Absolute Maximum Ratings
Table 2
Parameter
Symbol
Applicable Pin
Rating
Unit
Power supply voltage
VDD
VSS 0.3 to VSS + 6.5
V
Input voltage
VIN
SCL, SDA
VSS 0.3 to VSS + 6.5
V
Output voltage
VOUT
SDA, INT1, INT2
VSS 0.3 to VSS + 6.5
V
Operating ambient
temperature
*1
Topr
40 to +85
°C
Storage temperature
Tstg
55 to +125
°C
*1.
Conditions with no condensation or frost. Condensation and frost cause short circuiting between pins, resulting in a
malfunction.
Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical
damage. These values must therefore not be exceeded under any conditions.
Recommended Operation Conditions
Table 3
(VSS = 0 V)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Power supply voltage
*1
VDD
Ta =
40 to +85°C
1.3
3.0
5.5
V
Time keeping power
supply voltage
*2
VDDT
Ta =
40 to +85°C
VDET 0.15
5.5
V
Crystal oscillator CL value
CL
6
7
pF
*1.
The power supply voltage that allows communication under the conditions shown in Table 8 of “
AC Electrical
Characteristics”
.
*2.
The power supply voltage that allows time keeping. For the relationship with VDET (low power supply voltage detection
voltage), refer to “ Characteristics (Typical Data)”.
Oscillation Characteristics
Table 4
(Ta = 25
°C, VDD = 3.0 V, VSS = 0 V, SP-T2A crystal oscillator (CL = 6 pF, 32.768 kHz) manufactured by Seiko Instruments Inc.)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Oscillation start voltage
VSTA
Within 10 seconds
1.1
5.5
V
Oscillation start time
tSTA
1
s
IC-to-IC frequency
deviation
*1
δIC
10
+10
ppm
Frequency voltage
deviation
δV
VDD = 1.3 to 5.5 V
3
+3
ppm/V
External capacitance
Cg
Applied to XIN pin
9.1
pF
Internal oscillation
capacitance
Cd
Applied to XOUT pin
8
pF
*1.
Reference value
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