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87332AMI-01LF

P1-P3P4-P6P7-P9P10-P12P13-P14
÷2, Differential-to-2.5V/3.3V
ECL/LVPECL Clock Generator
87332AMI-01 DATA SHEET
10 REVISION C 2/12/15
3. Calculations and Equations.
The purpose of this section is to calculate power dissipation on the LVPECL output pair.
LVPECL output driver circuit and termination are shown in Figure 6.
To calculate worst case power dissipation into the load, use the following equations which assume a 50Ω load, and a termination
voltage of V
CC
– 2V.
• For logic high, V
OUT
= V
OH_MAX
= V
CC_MAX
– 0.9V
(V
CC_MAX
- V
OH_MAX
)
= 0.9V
• For logic low, V
OUT
= V
OL_MAX
= V
CC_MAX
– 1.7V
(V
CC_MAX
- V
OL_MAX
)
= 1.7V
Pd_H is power dissipation when the output drives high.
Pd_L is the power dissipation when the output drives low.
Pd_H = [(V
OH_MAX
– (V
CC_MAX
– 2V))/R
L
] * (V
CC_MAX
– V
OH_MAX
) = [(2V
– (V
CC
_MAX
– V
OH_MAX
))
/R
L
] * (V
CC_MAX
– V
OH_MAX
) =
[(2V
– 0.9V)/50Ω] * 0.9V = 19.8mW
Pd_L = [(V
OL_MAX
– (V
CC_MAX
– 2V))/R
L
] * (V
CC_MAX
– V
OL_MAX
) = [(2V
– (V
CC
_MAX
– V
OL_MAX
))
/R
L
] * (V
CC_MAX
– V
OL_MAX
) =
[(2V
– 1.7V)/50Ω] * 1.7V = 10.2mW
Total Power Dissipation per output pair = Pd_H + Pd_L = 30mW
FIGURE 6. LVPECL DRIVER CIRCUIT AND T ERMINATION
REVISION C 2/12/15
87332AMI-01 DATA SHEET
11 ÷2, Differential-to-2.5V/3.3V
ECL/LVPECL Clock Generator
RELIABILITY INFORMATION
TRANSISTOR COUNT
The transistor count for 87332I-01 is: 383
Compatible to part number MC100EP32
TABLE 6. θ
JA
VS. AIR FLOW T ABLE
θ
JA
by Velocity (Linear Feet per Minute)
0 200 500
Single-Layer PCB, JEDEC Standard Test Boards 153.3°C/W 128.5°C/W 115.5°C/W
Multi-Layer PCB, JEDEC Standard Test Boards 112.7°C/W 103.3°C/W 97.1°C/W
NOTE: Most modern PCB designs use multi-layered boards. The data in the second row pertains to most designs.
PACKAGE OUTLINE - M SUFFIX
TABLE 7. PACKAGE DIMENSIONS
Reference Document: JEDEC Publication 95, MS-012
SYMBOL
Millimeters
MINIMUN MAXIMUM
N8
A 1.35 1.75
A1 0.10 0.25
B 0.33 0.51
C 0.19 0.25
D 4.80 5.00
E 3.80 4.00
e 1.27 BASIC
H 5.80 6.20
h 0.25 0.50
L 0.40 1.27
α
0° 8°
PACKAGE OUTLINE AND DIMENSIONS
÷2, Differential-to-2.5V/3.3V
ECL/LVPECL Clock Generator
87332AMI-01 DATA SHEET
12 REVISION C 2/12/15
TABLE 8. ORDERING INFORMATION
Part/Order Number Marking Package Shipping Package Temperature
87332AMI-01LF 332AI01L 8 lead “Lead-Free” SOIC tube -40°C to 85°C
87332AMI-01LFT 332AI01L 8 lead “Lead-Free” SOIC tape & reel -40°C to 85°C
NOTE: Parts that are ordered with an “LF” suffi x to the part number are the Pb-Free confi guration and are RoHS compliant.
P1-P3P4-P6P7-P9P10-P12P13-P14

87332AMI-01LF

Mfr. #:
Buy 87332AMI-01LF
Manufacturer:
IDT
Description:
Clock Generators & Support Products Differential to 2.5V /3.3V ECL/LVPECL Clo
Lifecycle:
New from this manufacturer.
Delivery:
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