OV7604C7 Datasheet, PDF (1/1 Pages) Golledge Electronics Ltd – CMOS Oscillator Low Power

CMOS Oscillator Low Power
OV7604C7
3.30
(max)
1.60
(max)
1.00
(max)
ACTUAL SIZE
SOLDER PAD LAYOUT
1.70
12
43
0.75
0.50
0.40
0.75
1.00 1.00
TOP VIEW
PAD CONNECTION
1 Output
2 Ground
3 Enable/Disable
4 Supply
0.80
Scale 3:1
Features
« Very low power consumption
« Tight frequency tolerance
« Industrial and extended temperature ranges
« High shock and vibration resistance
« World’s smallest LF oscillator
Block Diagram
32.768kHz
4 ^CRYSTAL
VDD
2
OSC
GND
1
CLKOUT
3
CLKOE
OUTPUT
CONTROL
Enable / Disable Function
Input (pad 3)
Output (pad 1)
‘1’ level
‘0’ level
Enabled
Disabled
Note: Pad 3 should not be allowed to float.
Specifications
Parameters
Frequency:
32.7680kHz
Product
OV7604C7
࡯
Calibration tolerance: ±10ppm
Ë¿
(V_DD = 3.0V)
±20ppm
࡯
Other
Ë¿
Turnover temperature (T₀):
+25°C ±5°C
࡯
Frequency / temp coefficient:
-0.035ppm/°C² ±10%
࡯
Operating temperature range:
-40 to +85°C
࡯
-55 to +125°C
Ë¿
Storage temperature range:
-55 to +125°C
࡯
Supply voltage (V_DD):
Operable from 1.2 ~ 5.5V
࡯
Supply current (backup mode):
0.3µA typ, 0.5µA max
࡯
(V_DD = 3.0V, output disabled)
Logic levels: ‘0’ level = 0.4V max
࡯
‘1’ level = V_DD-0.4V min
࡯
Waveform symmetry:
40:60 max @ 50%V_DD
࡯
Driving ability:
15pF HCMOS
࡯
Voltage coefficient:
±1.5ppm/V max
࡯
Rise / fall time:
70ns max
࡯
Start up time: 500ms max @ 25°C
࡯
Enable / disable function:
Control via pad 3
࡯
Ageing: ±3ppm max first year @ 25°C
࡯
Shock and vibration resistance:
±5ppm, 5,000g, 0.3ms, s i n e
࡯
±5ppm, 20g, 10.0 ~ 2,000Hz
࡯
Soldering condition:
Reflow, 260°C, 20 sec max
࡯
࡯ Standard. ˿ Optional - Please specify required code(s) when ordering
Option
Codes
A
B
specify
M
Ordering Information
Product + option code
eg: OV7604C7/B ±20ppm (standard)
Option code X (eg OV7604C7/X) denotes a custom spec.
Í· Available on T&R - 3k, 7k or 14k pcs per reel.
Í· Refer to our website for T&R and soldering details.
Tel: [phone]
09 Apr 2008
Fax: [phone]
E-mail: [e-mail]
Web: www.golledge.com