NB3N551
http://onsemi.com
4
Table 5. DC CHARACTERISTICS (V
DD
= 3.0 V to 3.6 V, GND = 0 V, T
A
= −40°C to +85°C) (Note 3)
Symbol
Characteristic Min Typ Max Unit
I
DD
Power Supply Current @ 135 MHz, No Load, V
DD
= 3.3 V − 20 40 mA
V
OH
Output HIGH Voltage – I
OH
= −25 mA, V
DD
= 3.3 V 2.4 − − V
V
OL
Output LOW Voltage – I
OL
= 25 mA − − 0.4 V
V
OH
Output HIGH Voltage – I
OH
= −12 mA (CMOS level) V
DD
− 0.4 − − V
V
IH,
I
CLK
Input HIGH Voltage, I
CLK
(V
DD
/2)+0.7 − 3.8 V
V
IL,
I
CLK
Input LOW Voltage, I
CLK
− − (V
DD
/2)−0.7 V
V
IH,
OE Input HIGH Voltage, OE 2.0 − VDD V
V
IL,
OE Input LOW Voltage, OE 0 − 0.8 V
ZO Nominal Output Impedance − 20 −
W
RPU Input Pull−up Resistor, OE − 220 −
kW
CIN Input Capacitance, OE − 5.0 − pF
IOS Short Circuit Current − ± 50 − mA
DC CHARACTERISTICS (V
DD
= 4.5 V to 5.5 V, GND = 0 V, T
A
= −40°C to +85°C) (Note 3)
Symbol
Characteristic Min Typ Max Unit
I
DD
Power Supply Current @ 135 MHz, No Load, V
DD
= 5.0 V − 50 95 mA
V
OH
Output HIGH Voltage – I
OH
= −35 mA 2.4 − − V
V
OL
Output LOW Voltage – I
OL
= 35 mA − − 0.4 V
V
OH
Output HIGH Voltage – I
OH
= −12 mA (CMOS level) V
DD
– 0.4 − − V
V
IH,
I
CLK
Input HIGH Voltage, I
CLK
(V
DD
/2) + 1 − 5.5 V
V
IL,
I
CLK
Input LOW Voltage, I
CLK
− − (V
DD
/2) − 1 V
V
IH,
OE Input HIGH Voltage, OE 2.0 − V
DD
V
V
IL,
OE Input LOW Voltage, OE 0 − 0.8 V
ZO Nominal Output Impedance − 20 −
W
RPU Input Pull−up Resistor, OE − 220 −
kW
CIN Input Capacitance, OE − 5.0 − pF
IOS Short Circuit Current − ±80 − mA
Table 6. AC CHARACTERISTICS (V
DD
= 3.0 V to 5.5 V, GND = 0 V, T
A
= −40°C to +85°C) (Note 3)
Symbol
Characteristic Conditions Min Typ Max Unit
f
in
Input Frequency − − 180 MHz
t
jitter
(f)
RMS Phase Jitter (Integrated 12 kHz − 20 MHz)
(See Figures 2 and 3)
f
carrier
= 25 MHz
f
carrier
= 50 MHz
−
−
43
16
−
−
fs
t
jitter
(pd)
Period Jitter (RMS, 1s)
− 2.0 − ps
t
r
/t
f
Output rise and fall times; 0.8 V to 2.0 V − 0.5 1.0 ns
t
pd
Propagation Delay, CLK to Qn, 0 − 180 MHz,
(Note 4)
1.5 3.0 6.0 ns
t
skew
Output−to−Output Skew; (Note 5) − 50 160 ps
3. Outputs loaded with external R
L
= 33−W series resistor and C
L
= 15 pF to GND. Duty cycle out = duty in. A 0.01 mF decoupling capacitor
should be connected between V
DD
and GND. A 33 W series terminating resistor may be used on each clock output if the trace is longer than
1 inch.
4. Measured with rail−to−rail input clock.
5. Measured on rising edges at V
DD
÷ 2.
