ICS853054AGT IDT, Integrated Device Technology Inc, ICS853054AGT Datasheet - Page 12

• Manufacturer Part Number: ICS853054AGT
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Multiplexerr

Specifications of ICS853054AGT

• Number Of Clock Inputs: 4
• Mode Of Operation: Differential
• Output Frequency: 3200MHz
• Output Logic Level: ECL/LVPECL
• Operating Supply Voltage (min): -2.375/2.375V
• Operating Supply Voltage (typ): -2.5/-3.3/3.3V
• Operating Supply Voltage (max): -3.465/3.465V
• Package Type: TSSOP
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Signal Type: CML/LVDS/LVPECL/SSTL
• Mounting: Surface Mount
• Pin Count: 16
• Lead Free Status / RoHS Status: Not Compliant

IDT™ / ICS™ 4:1, DIFFERENTIAL-TO-3.3V OR 2.5V LVPECL/ECL CLOCK MULTIPLEXER
ICS853054
4:1, DIFFERENTIAL-TO-3.3V OR 2.5V LVPECL/ECL CLOCK MULTIPLEXER
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 5.
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 - 1.005V)/50 ] * 1.005V = 20mW
Pd_L = [(V
[(2V - 1.78V)/50 ] * 1.78V = 7.83mW
Total Power Dissipation per output pair = Pd_H + Pd_L = 27.83mW
853054AG
o calculate worst case power dissipation into the load, use the following equations which assume a 50 load, and a termination
•
•
For logic high, V
(V
For logic low, V
(V
OL_MAX
OH_MAX
CC_MAX
CC_MAX
CC
- 2V.
Integrated
Circuit
Systems, Inc.
– (V
– (V
- V
- V
OH_MAX
OL_MAX
CC_MAX
CC_MAX
OUT
OUT
) = 1.78V
) = 1.005
- 2V))/R
- 2V))/R
= V
= V
OL_MAX
OH_MAX
L
F
L
] * (V
] * (V
IGURE
= V
= V
CC_MAX
CC_MAX
CC_MAX
CC_MAX
5. LVPECL D
www.icst.com/products/hiperclocks.html
– 1.78V
- V
- V
– 1.005V
OL_MAX
OH_MAX
) = [(2V - (V
) = [(2V - (V
Q1
VCC
RIVER
12
12
C
CC_MAX
CC_MAX
IRCUIT AND
- V
- V
4:1, D
OL_MAX
LVPECL/ECL C
OH_MAX
RL
50
T
VCC - 2V
)) /R
ERMINATION
)) /R
VOUT
IFFERENTIAL
L
] * (V
L
] * (V
CC_MAX
CC_MAX
- V
- V
OL_MAX
OH_MAX
-
LOCK
TO
) =
) =
-3.3V
M
REV. A JANUARY 5, 2006
ULTIPLEXER
OR
2.5V
ICS853054
TSD