
NB3N551
http://onsemi.com
4
Table 5. DC CHARACTERISTICS (VDD = 3.0 V to 3.6 V, GND = 0 V, TA = −40°C to +85°C) (Note 3)
Symbol Characteristic Min Typ Max Unit
IDD Power Supply Current @ 135 MHz, No Load, VDD = 3.3 V −20 40 mA
VOH Output HIGH Voltage – IOH = −25 mA, VDD = 3.3 V 2.4 − − V
VOL Output LOW Voltage – IOL = 25 mA − − 0.4 V
VOH Output HIGH Voltage – IOH = −12 mA (CMOS level) VDD − 0.4 − − V
VIH, ICLK Input HIGH Voltage, ICLK (VDD/2)+0.7 −3.8 V
VIL, ICLK Input LOW Voltage, ICLK − − (VDD/2)−0.7 V
VIH, OE Input HIGH Voltage, OE 2.0 −VDD V
VIL, 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 (VDD = 4.5 V to 5.5 V, GND = 0 V, TA = −40°C to +85°C) (Note 3)
Symbol Characteristic Min Typ Max Unit
IDD Power Supply Current @ 135 MHz, No Load, VDD = 5.0 V −50 95 mA
VOH Output HIGH Voltage – IOH = −35 mA 2.4 − − V
VOL Output LOW Voltage – IOL = 35 mA − − 0.4 V
VOH Output HIGH Voltage – IOH = −12 mA (CMOS level) VDD – 0.4 − − V
VIH, ICLK Input HIGH Voltage, ICLK (VDD/2) + 1 −5.5 V
VIL, ICLK Input LOW Voltage, ICLK − − (VDD/2) − 1 V
VIH, OE Input HIGH Voltage, OE 2.0 −VDD V
VIL, 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 (VDD = 3.0 V to 5.5 V, GND = 0 V, TA = −40°C to +85°C) (Note 3)
Symbol Characteristic Conditions Min Typ Max Unit
fin Input Frequency − − 180 MHz
tjitter (f)RMS Phase Jitter (Integrated 12 kHz − 20 MHz)
(See Figures 2 and 3)
fcarrier = 25 MHz
fcarrier = 50 MHz
−
−
43
16
−
−
fs
tjitter (pd) Period Jitter (RMS, 1s)−2.0 −ps
tr/tfOutput rise and fall times; 0.8 V to 2.0 V −0.5 1.0 ns
tpd Propagation Delay, CLK to Qn, 0 − 180 MHz,
(Note 4)
1.5 3.0 6.0 ns
tskew Output−to−Output Skew; (Note 5) −50 160 ps
3. Outputs loaded with external RL = 33−W series resistor and CL = 15 pF to GND. Duty cycle out = duty in. A 0.01 mF decoupling capacitor
should be connected between VDD 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 VDD ÷ 2.