CY2DP818 Datasheet, PDF (4/8 Pages) Cypress Semiconductor – 1:8 Clock Fanout Buffer

Table 7. DC Electrical Characteristics: 3.3V–LVPECL Output
Parameter
Description
Conditions
V_OD
Driver Differential Output V_DD = Min., V_IN = V_IH or V_IL RL = 50 ohm
voltage p-p
V_OC
Driver common-mode p-p V_DD = Min., V_IN = V_IH or V_IL RL = 50 ohm
Rise Time Differential 20% to 80% CL–10 pF RL and CL to GND RL = 50 ohm
Fall Time
V_OH
Output High Voltage
V_DD = Min., V_IN = V_IH or V_IL I_OH = –12 mA
V_OL
Output Low Voltage
V_DD = Min., V_IN = V_IH or V_IL
User defined by VTT RTT.
I_OS
Short Circuit Current
V_DD = Max, V_OUT = GND
ComLink™ Series
CY2DP818
Min.
1000
Typ.
Max. Unit
3600 mV
300 mV
300
1200 ps
2.1
0.8
–125
3.0
V
1.3
V
–150 mA
Driver Design
Table 8. AC Switching Characteristics @ 3.3 V (V_DD = 3.3V ±5%, Temperature = –40°C to +85°C)
Parameter
Description
Conditions Min.
t_PLH
t_PHL
T_PE
T_PD
t_SK(0)
t_SK(p)
t_SK(t)
Propagation Delay – Low to High
Propagation Delay – High to Low
V_OD = 100 mV 3
3
Enable (EN) to functional operation
Functional operation to Disable
Output Skew: Skew between outputs of the same package (in phase)
Pulse Skew: Skew between opposite transitions of the same output
(t_PHL–t_PLH)
Package Skew: Skew between outputs of different packages at the
same power supply voltage, temperature and package type. Same
input signal level and output load.
V_ID = 100 mV
Typ. Max. Unit
4 5 ns
4 5 ns
6 ns
5 ns
0.2 ns
0.2
ns
1 ns
Table 9. High-frequency Parametrics
Parameter
Fmax
Description
Maximum frequency
V_DD = 3.3V
Conditions
45%–55% duty cycle
Standard load circuit
Min.
Typ.
Max.
350
Unit
MHz
Document #: 38-07061 Rev. *A
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