ICS854S204BGILF IDT, Integrated Device Technology Inc, ICS854S204BGILF Datasheet - Page 15

• Manufacturer Part Number: ICS854S204BGILF
• Description: IC CLK FANOUT BUFFER 1:2 16TSSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: HiPerClockS™r
• Type: Fanout Buffer (Distribution)r

Specifications of ICS854S204BGILF

• Number Of Circuits: 2
• Ratio - Input:output: 1:2
• Differential - Input:output: Yes/Yes
• Input: CML, LVDS, LVPECL, SSTL
• Output: LVDS, LVPECL
• Frequency - Max: 3GHz
• Voltage - Supply: 2.375 V ~ 3.465 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Frequency-max: 3GHz
• Number Of Outputs: 8
• Operating Supply Voltage (max): 3.465V
• Operating Temp Range: -40C to 85C
• Propagation Delay Time: 0.5ns
• Operating Supply Voltage (min): 2.375V
• Mounting: Surface Mount
• Pin Count: 16
• Operating Supply Voltage (typ): 2.5/3.3V
• Package Type: TSSOP
• Duty Cycle: 51%
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 800-1964-5; 854S204BGILF; ICS854S204BGILF

3. Calculations and Equations.
The purpose of this section is to derive the power dissipated into the load.
LVPECL output driver circuit and termination are shown in Figure 6.
T
voltage of V
Pd_H is power dissipation when the output drives high.
Pd_L is the power dissipation when the output drives low.
Pd_H = [(V
[(2V – 0.8V)/50 ] * 0.8V = 19.2mW
Pd_L = [(V
[(2V – 1.6V)/50 ] * 1.6V = 12.8mW
Total Power Dissipation per output pair = Pd_H + Pd_L = 32mW
IDT
o calculate worst case power dissipation into the load, use the following equations which assume a 50
ICS854S204I
LOW SKEW, DUAL, 1-TO-2 DIFFERENTIAL-TO-LVDS, LVPECL FANOUT BUFFER
™
•
•
/ ICS
For logic high, V
(V
For logic low, V
(V
™
OL_MAX
LVDS, LVPECL FANOUT BUFFER
DD_MAX
DD_MAX
OH_MAX
DD
– 2V.
– (V
– (V
– V
– V
OH_MAX
OL_MAX
DD_MAX
DD_MAX
) = 1.6V
) = 0.8V
– 2V))/R
OUT
– 2V))/R
OUT
= V
= V
OL_MAX
OH_MAX
L
L
] * (V
] * (V
F
= V
IGURE
= V
DD_MAX
DD_MAX
DD_MAX
DD_MAX
6. LVPECL D
– V
– V
– 1.6V
– 0.8V
OL_MAX
OH_MAX
) = [(2V – (V
) = [(2V – (V
Q1
RIVER
V
DD
DD_MAX
DD_MAX
C
IRCUIT AND
15
– V
– V
OL_MAX
OH_MAX
)) /R
)) /R
T
ERMINATION
L
RL
50
] * (V
L
] * (V
V
DD
V
OUT
- 2V
DD_MAX
DD_MAX
– V
– V
OL_MAX
OH_MAX
) =
) =
ICS854S204BGI REV. A JUNE 4, 2008
load, and a termination