Crystal Clock Oscillator
Two Frequencies-switching Type
2795 Series
Model name
n
–6
2795Y Frequency stability of ±±11 ꢀ ±1 .
Application
n
l
For compact mobile information equipment, such as PDA and notebook PC
Features
n
l
With the adoption of frequency-writing technology, even the tightest
delivery deadline can be met.
Pb
Free
l
Two frequencies: switch from one to the other according to the input
voltage (high or low) of PAD #±.
l
l
l
PLL technology allows this crystal oscillator to support ± to ±25 MHz.
Automatic mounting by taping and IR reflow (lead-free) are possible.
Compact and light with the following dimensions and weight of 5.1 ꢀ 3.2 mm,
±.1 mm, and 1.16 g.
Absolute maꢀimum rating
DD
Power supply voltage (V ) -1.5 to +7.1V DC
Storage temperature range -55 to +±25°C
Specifications
n
Model
2795Y
C-MOS
41 < F ≤ 71
–21 to +71
±±11
Item
Output level
*±
± ≤ F ≤ 41
±5
71 < F ≤ ±25
31
Frequency range
(MHz)
(℃)
*2
Operating temperature range
Frequency stability
–6
(×±1 )
+3.3±1.3
22
Power supply voltage
(V)
Consumption current (+3.3V,25℃) maꢀ (mA)
1.±VDD/1.9VDD IOL=4mA IOH=–4mA
5/5 (1.±VDD to 1.9VDD
45 to 55 (at ±/2VDD
VOL maꢀ/VOH min
(V)
(ns)
(%)
Tr maꢀ/Tf maꢀ
)
3/3 (1.2VDD to 1.8VDD
41 to 61 (at ±/2VDD
)
Duty Cycle min. to maꢀ.
)
)
±5
±1
L
Load (C ) maꢀ
(pF)
(ms)
Oscillation start time maꢀ
NSA5332A
Number for specifying an order
*±: 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.
Dimensions
Output Waveform <C-MOS>
n
n
mm
Tf
Tr
VOH
or 1.8VDD
1.9V
±/2VDD
5.1±1.2
or 1.2VDD
1.±V
VOL
1V
Reference land pattern
t
±.4
±.2±1.±
#±
#2
T
C1.5
Duty Cycle = t/T×±11 [%]
#4
#3
2.54
Cby = 1.1±μF
2.54±1.±
n Two Frequencies-switching Function Table
PAD Connection
#± Input
#3 Input
F±
#±
#2
#3
#4
Freq. Select
GND
DD
Level H (1.7 V min.)
or OPEN is selected.
OUTPUT
DD
Level L (1.2 V maꢀ.) is selected.
F2
DD
V
How to Specify an Order
n
Eꢀample ±: When ordering a product with model name: 2795Y, frequency: ±6.9 and 22.5
–6
MHz, frequency stability: ±±11 ꢀ ±1 , and power supply voltage: 3.3 V
When ordering our products, specify them with an “Ordering Code” that consists of the following:
Ordering Code: 2795Y – ±6.911111M – 22.511111M – NSA5332A
Frequency
Frequency
Number for
Model name –
M –
M –
(up to 9 digits)
(up to 9 digits)
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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