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NB2780A Datasheet(PDF) 4 Page - ON Semiconductor

Part No. NB2780A
Description  Low Power, Reduced EMI Clock Synthesizer
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NB2780A
http://onsemi.com
4
Table 4. DC ELECTRICAL CHARACTERISTICS FOR 2.5 V SUPPLY (Test Conditions: All parameters are measured at room
temperature 25°C)
Symbol
Description
Min
Typ
Max
Unit
VIL
Input LOW Voltage
GND − 0.3
0.8
V
VIH
Input HIGH Voltage
2.0
VDD + 0.3
V
IIL
Input LOW Current
−35
mA
IIH
Input HIGH Current
35
mA
IXOL
XOUT Output LOW Current (@ 0.6 V, VDD = 2.5 V)
3.0
mA
IXOH
XOUT Output HIGH Current (@ 1.8 V, VDD = 2.5 V)
3.0
mA
VOL
Output LOW Voltage (VDD = 2.5 V, IOL = 8.0 mA)
0.6
V
VOH
Output HIGH Voltage (VDD = 2.5 V, IOH = 8.0 mA)
1.8
V
IDD
Static Supply Current (Note 1)
10
mA
ICC
Dynamic Supply Current (2.5 V, 46 MHz, and No Load)
4.0
mA
VDD
Operating Voltage
2.375
2.5
2.625
V
tON
Powerup Time (first locked cycle after powerup) (Note 2)
5.0
mS
ZOUT
Clock Output Impedance
50
W
NOTE: Device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit
board with maintained transverse airflow greater than 500 lfpm. Electrical parameters are guaranteed only over the declared
operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit
values are applied individually under normal operating conditions and not valid simultaneously.
1. XIN/CLKIN pin and PD are pulled low.
2. VDD and XIN/CLKIN input are stable, PD pin is made high from low.
Table 5. AC ELECTRICAL CHARACTERISTICS FOR 2.5 V SUPPLY
Symbol
Description
Min
Typ
Max
Unit
CLKIN
Input Frequency
30
50
MHz
ModOUT
Output Frequency
30
50
MHz
fd
Frequency Deviation
Input Frequency = 30 MHz
Input Frequency = 50 MHz
±1.10
±0.62
%
tLH (Note 3)
Output Rise Time (measured at 0.7 V to 1.7 V)
0.7
1.3
1.6
ns
tHL (Note 3)
Output Fall Time (measured at 1.7 V to 0.7 V)
0.4
0.8
1.0
ns
tJC
Jitter (Cycle−to−Cycle)
200
ps
tD
Output Duty Cycle
45
50
55
%
NOTE: Device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit
board with maintained transverse airflow greater than 500 lfpm. Electrical parameters are guaranteed only over the declared
operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit
values are applied individually under normal operating conditions and not valid simultaneously.
3. tLH and tHL are measured at capacitive load of 15 pF.




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