Crystal Clock Oscillator
- 85 -
13A_0730_2765E_e
Absolute maximum rating
Supply voltage (V
CC
) -0.5 to +7.0 V
Storage temperature range -55 to +125 °C
EMI Noise-reducing Type
2765E Series
2765E Overall frequency tolerance of ±100 x 10
–6
.
■
Model name
● Forcompactmobileinformationequipment,suchasPDAandnotebookPC
■
Application
Item
Model
2765E
Output level CMOS
Nominal frequency range
*1
(MHz) 20≤F≤80
Operating temperature range
*2
(°C) –20 to +70
Overall frequency tolerance (×10
–6
) ±100
Supply voltage [V
CC
] (V) +3.3±0.3
Current consumption
(+3.3 V, 25 °C) max
During operation (mA) 30
During standby (μA) 30
V
OL
max/V
OH
min (V) 0.2 V
CC
/0.8 V
CC
Tr max/Tf max (ns) 5/5 (0.2 V
CC
to 0.8 V
CC
)
Symmetry min. to max. (%) 40 to 60 (at 1/2 V
CC
)
Load (C
L
) max (pF) 15
Start-up time max (ms) 10
Standby function Available (Three-state)
Number for specifying an order NSA3393B
*1: If you require a product with a frequency not given above, please contact us. *2: If you require a product with an operating temperature range not given above, please contact us.
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Specications
mm
5.0±0.2
1.2±0.1
2.54±0.1
3.2±0.2
1.0 ±0.2
1.2±0.1
1.0±0.1
#4
#3
#1
C0.5
#2
0.25±0.1
0.36±0.1
Mount an approx. 0.01 μF bypass capacitor between VCC and GND
(close to the product)
Terminal land connections
#1
#2
#3
#4
STAND-BY
GND
OUTPUT
V
CC
Land pattern (Typical)
Cby=0.01μF
2.54
1.4
2.2
1.2
#4
#3
#2#1
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Dimensions
0.8V
DD
0.2V
DD
1/2V
DD
Tr
Tf
V
OH
V
OL
t
T
0V
Symmetry = t/T × 100 [%]
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Output Waveform <CMOS>
#1 Input #3 Output
Level H (0.7 V
CC
≤V
IH
≤V
CC
)
or OPEN is selected.
Oscillation output ON
Level L (V
IL
≤0.3V
CC
) is selected. High impedance
■
Spread Spectrum Characteristics
● Withaspreadspectrumfunctioninstalled,thiscrystaloscillatoreffectively
reduces EMI noise.
● Down-spreadingandcenter-spreading.
● Withastandbyfunctioninstalled,powerconsumptionisreduced.
■
Features
When ordering our products, specify them with an “Ordering Code” that consists of the following:
Model name
–
Frequency (up to 9 digits)
M –
Number for specifying an order
Example : When ordering a product with model name: 2765E, frequency: 20 MHz,
overall frequency tolerance: ±100 x 10
–6
, and supply voltage: 3.3 V
Ordering Code: 2765E – 20.000000M – NSA3393B
If you have any queries concerning our standard frequencies and numbers for specifying orders, please contact our sales representatives or visit our homepage (http://www.ndk.com/).
■
How to Specify an Order
Spreading Type SpreadingRatio
Center spreading ±2.0 %
■
Standby Function
V
CC
V
CC
V
CC
