MC8640DTHX1067NE Freescale Semiconductor, MC8640DTHX1067NE Datasheet - Page 115

• Manufacturer Part Number: MC8640DTHX1067NE
• Description: IC MPU DUAL CORE E600 1023FCCBGA
• Manufacturer: Freescale Semiconductor

Specifications of MC8640DTHX1067NE

• Processor Type: MPC86xx PowerPC 32-Bit
• Speed: 1.067GHz
• Voltage: 0.95V
• Mounting Type: Surface Mount
• Package / Case: 1023-FCCBGA
• Processor Series: MPC8xxx
• Core: e600
• Development Tools By Supplier: MCEVALHPCN-8641D
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -
• Lead Free Status / Rohs Status: No

Ideality factor is defined as the deviation from the ideal diode equation:
Another useful equation is:
Where:
The ratio of I
Solving for T, the equation becomes:
Freescale Semiconductor
V
V
nT =
I
I
V
V
V
V
I
I
q = Charge of electron (1.6 x 10
n = Ideality factor (normally 1.0)
K = Boltzman’s constant (1.38 x 10
T = Temperature (Kelvins)
H
H
fw
s
H
L
d
f
H
L
– V
I
fw
– V
= Forward current
= Saturation current
= Voltage at diode
= Voltage forward biased
= Diode voltage while I
= Diode voltage while I
= Larger diode bias current
= Smaller diode bias current
L
= I
= 1.986 × 10
L
H
__________
1.986 × 10
= n
MPC8640 and MPC8640D Integrated Host Processor Hardware Specifications, Rev. 3
s
to I
V
H
L
e
KT
__
– V
q
is usually selected to be 10:1. The above simplifies to the following:
___
nKT
qV
L
ln
f
–4
–4
__
– 1
I
× nT
I
L
H
H
L
is flowing
is flowing
–19
–23
C)
Joules/K)
Thermal
115