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Seiko Instruments Crystal Oscillators (32.768kHz)

Product name Appearance  Basic specifications 
Frequency deviation Load capacitance
VT-200-F Cylinder ± 5 ppm,
± 10 ppm,
± 20 ppm
4.5 to 12.5 pF
SSP-T7-F SMD

± 20 ppm,
± 50 ppm

7.0 to 12.5 pF

 

 

Seiko Instruments Real-time Clock

Model No.

Data Sheet

Type Features 

Operation
Voltage

Current Consumption

Package

S-35390A pdf (614KB) 2-wire Super-low 0.25 µA current consumption 1.1 to 5.5 V
(time keeping operation voltage)
0.25 µA (3.0 V) 8-pin SOP
8-pin TSSOP
SNT-8A
S-35392A pdf (413KB) 2-wire Constant 32kHz output   1.1 to 5.5 V
(time keeping operation voltage) 
0.45 µA (3.0 V)  SNT-8A
S-35399A02 pdf (848KB) 2-wire 24-bit counter, Alarm settable to day/month/year, Constant 32kHz output  1.1 to 5.5 V
(time keeping operation voltage) 
0.34 µA (3.0 V)  WLP-12A
S-35399A03 pdf (769KB) 2-wire 24-bit counter, Alarm settable to day/month/year  1.1 to 5.5 V
(time keeping operation voltage) 
0.34 µA (3.0 V)  8-pin SOP
S-78390A Series Under Development 2-wire Switch Input Detection Function  1.1 to 5.5 V
(time keeping operation voltage) 
0.35 µA (3.0 V)  
S-35190A pdf (599KB) 3-wire Super-low 0.25 µA current consumption  1.1 to 5.5 V
(time keeping operation voltage) 
0.25 µA (3.0 V)  8-pin SOP
8-pin TSSOP
SNT-8A
S-35192A pdf (366KB) 3-wire Constant 32kHz output  1.1 to 5.5 V
(time keeping operation voltage) 
0.45 µA (3.0 V)  SNT-8A
S-35199A01 pdf (741KB) 3-wire 24-bit counter
Alarm settable to day/month/year
Constant 32kHz output 
1.1 to 5.5 V
(time keeping operation voltage) 
0.34 µA (3.0 V) WLP-12A
S-78190A Series 3-wire Switch Input Detection Function  1.1 to 5.5 V
(time keeping operation voltage) 
0.35 µA (3.0 V)  WLP-16A
(S-78190A,
S-78390A)

 

 

Quartz Crystal Products
Crystal Oscillators(32.768 khz)

Product Area (mm2) Height (mm) Nominal Frequency Frequency Tolerance Load Capacitance
SCX Series (SC-32S) 5.12 0.75 32.768kHz ±20 x 10-6 7pF / 9pF / 12.5pF
SCX Series (SC-32P) 5.12 0.75 32.768kHz ±20 x 10-6 7pF / 9pF / 12.5pF
SCX Series (SC-20S) 2.46 0.6 32.768kHz ±20 x 10-6 (7pF) / 9pF / 12.5pF
SSP-T Series (SSP-T7-F) 10.5 1.4 32.768kHz ±20 x 10-6
±30 x 10-6
±50 x 10-6
7.0pF / 12.5pF
Low Power (SSP-T7-FL) 10.5 1.4 32.768kHz ±20 x 10-6
±50 x 10-6
3.7pF / 4.4pF /  6.0pF
Low Power (VT-200-FL) F2.0 x 6.0 -- 32.768kHz ±20 x 10-6 3.7pF / 4.4pF / 6.0pF
VT Series (VT-200-F) F2.0 x 6.0 -- 32.768kHz (±5 x 10-6)
±10 x 10-6
±20 x 10-6
4.5pF to 12.5pF
VT Series (VT-150-F) F1.5 x 5.0 -- 32.768kHz (±5 x 10-6)
±10 x 10-6
±20 x 10-6
4.5pF to 12.5pF
VT Series (VT-120-F) F1.2 x 4.7 -- 32.768kHz ±20 x 10-6
±30 x 10-6
±50 x 10-6
6.0pF to 12.5pF