參數(shù)資料
型號(hào): S-35180AT8T1
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, PDSO8
封裝: TSSOP-8
文件頁(yè)數(shù): 42/46頁(yè)
文件大?。?/td> 498K
代理商: S-35180AT8T1
3-WIRE REAL-TIME CLOCK
Rev.2.0_00
S-35180A
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
SCK, SIO, CS
VSS
0.3 to VSS + 6.5
V
Output voltage
VOUT
SIO, INT
VSS
0.3 to VSS + 6.5
V
Operating temperature
Topr
40 to +85
°C
Storage temperature
Tstg
55 to +125
°C
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 Operating Conditions
Table 3
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Power supply voltage
VDD
Ta
= 40 to +85°C
1.3
3.0
5.5
V
Operating temperature
Topr
VDD
= 1.3 to 5.5 V
40
+25
+85
°C
Time keeping voltage range
VDDT
Ta
= 40 to +85°C
VDDTm
5.5
V
Register hold voltage
VDH
Ta
= 40 to +85°C
VDDTm
5.5
V
Minimum time keeping voltage range
VDDTm Ta
= 40 to +85°C
0.5
*1
1.1
V
Crystal oscillator CL value
CL
7.0
pF
*1. Reference value
Oscillation Characteristics
Table 4
(Ta
= 25°C, VDD = 3.0 V, DS-VT-200 crystal oscillator (CL = 6 pF, 32,768 Hz) manufactured by SII Quartz Techno Ltd.)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Oscillation start voltage
VSTA
Within 10 seconds
1.1
5.5
V
Oscillation start time
tSTA
VDD
= 3.0 V
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
Internal oscillation capacitance (1)
Cg
Applied to XIN pin
0
9.1
pF
Internal oscillation capacitance (2)
Cd
Applied to XOUT pin
8
pF
*1. Reference value
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