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GFO-3301 Datasheet, PDF (1/2 Pages) Golledge Electronics Ltd – 1.5 - 5.5V CMOS 32.768kHz Oscillator
1.5 ~ 5.5V CMOS 32.768kHz Oscillator
GFO-3301
2011/65/EU
3.20
±0.15
2.50
±0.15
0.90
±0.10
SOLDER PAD LAYOUT
1.00
1
2
4
1.00 0.80
4
3
1
3
0.95
2
0.95
1.20
1.20 1.20
TOP VIEW
PAD CONNECTION
1 Enable/Disable
2 Ground
3 Output
4 Supply
Features
 Extremely low current consumption
 Operational from 1.5V ~ 5.5V
 Tuning fork resonator
 Miniature ceramic package with metal lid
 Competitive pricing
Temperature Characteristics vs GAO-3301
Specifications
Parameters
Frequency:
32.768kHz
Product
GFO-3301

Frequency tolerance @ 25°C:
+5ppm ±20ppm

Temperature stability (wrt 25°C):
-90ppm~+10ppm, -20~+70°C

-140ppm~±10ppm, -40~+85°C

Operating temperature range:
-40 to +85°C

Storage temperature range:
-55 to +125°C

Supply voltage (VDD):
Operable from +1.5 ~ +5.5V

Supply current (max):
1.5μA max (3.3V, no load)

Standby current (max): 1.0μA max

Driving ability:
15pF CMOS

Logic levels: ‘0’ level = 0.4V max

‘1’ level = VDD-0.4V min

Start up time:
1s max

Waveform symmetry:
40:60 @ 50%VDD

Rise / fall time: 20ns typ, 200ns max

 Standard.  Optional - Please specify required code(s) when ordering
Option
Codes
Ordering Information
Product name or Golledge PN.
ie: GFO-3301
or MP05295
Option code X (eg GFO-3301/X) denotes a custom spec.
Enable / Disable Function
Input (pad 1)
Open
‘1’ level (VIH= 70% VDD min)
‘0’ level (VIL= 30% VDD max)
Output (pad 3)
Enabled
Enabled
High Impedance
 GAO-3301 offers good temp stability, but draws higher current
 GFO-3301 draws very low supply current, but looser stability
Tel: +44 1460 256 100
23 May 2013
Fax: +44 1460 256 101
E-mail: sales@golledge.com
Web: www.golledge.com