Crystal Clock Oscillator
2765E Series
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Model name
2765E Frequency stability of ±100 x 10
–6
.
EMI Noise-reducing Type
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Application
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For compact mobile information equipment, such as PDA and notebook PC
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Features
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With a spread spectrum function installed, this crystal oscillator effectively
reduces EMI noise.
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With a standby function installed, power consumption is reduced.
Pb
Free
Absolute maximum rating
Power supply voltage (V
DD
) -0.5 to +4.0V DC
Storage temperature range -55 to +125°C
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Specifications
Item
Model
2765E
C-MOS
40 ≤ F ≤ 80
–20 to +70
±100
+3.3±0.3
30
30
0.2V
DD
/0.8V
DD
I
OL
=4mA
Output level
Frequency range
*1
(MHz)
*2
Operating temperature range
(℃)
Frequency stability
(×10
–6
)
Power supply voltage
(V)
Consumption current During operation (mA)
(+3.3V,25℃) max During standby
(μA)
V
OL
max/V
OH
min
(V)
Tr max/Tf max
(ns)
Duty Cycle min. to max.
(%)
L
) max
Load (C
(pF)
Oscillation start time max
(ms)
Standby function
Number for specifying an order
*1: If you require a product with a frequency not given above, please contact us.
I
OH
=–4mA
5/5 (0.2V
DD
to 0.8V
DD
)
40 to 60 (at 1/2V
DD
)
15
10
Available (tristate)
NSA3393A
*2: If you require a product with an operating temperature range not given above, please contact us.
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Dimensions
mm
3.2±0.2
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Output Waveform <C-MOS>
Tr
0.8V
DD
1/2V
DD
0.36±0.1
0.25±0.1
0.2V
DD
V
OL
t
Reference land pattern
1.4
Duty Cycle = t/T×100 [%]
T
Tf
V
OH
1.0 ±0.2
5.0±0.2
0V
#1
C0.5
1.2±0.1
1.2±0.1
#2
1.0±0.1
2.2
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Spread Spectrum Characteristics
Spreading Type
Spreading Ratio
±1.0%
2.54±0.1
1.2
#4
#3
2.54
Cby = 0.01μF
Center spreading
PAD
#1
#2
#3
#4
Connection
Standby
GND
OUTPUT
V
DD
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Standby Function
#1 Input
Level H (0.7 V
DD
≤ V
IH
≤ V
DD
)
or OPEN is selected.
Level L (V
IL
≤ 0.3 V
DD
) is selected.
#3 Output
Oscillation output ON
High impedance
Example 1: When ordering a product with model name: 2765E, frequency: 40 MHz,
frequency stability: ±100 x 10
–6
, and power supply voltage: 3.3 V
When ordering our products, specify them with an “Ordering Code” that consists of the following:
Ordering Code: 2765E – 40.000000M – NSA3393A
Model name – Frequency (up to 9 digits) M – Number for specifying an order
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/).
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How to Specify an Order
cc22_071025_2765E_e1
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