A54SX32A-PQ208 Actel, A54SX32A-PQ208 Datasheet - Page 20

• Manufacturer Part Number: A54SX32A-PQ208
• Description: FPGA - Field Programmable Gate Array 32K System Gates
• Manufacturer: Actel

Specifications of A54SX32A-PQ208

• Processor Series: A54SX32
• Core: IP Core
• Number Of Macrocells: 1800
• Maximum Operating Frequency: 238 MHz
• Number Of Programmable I/os: 174
• Delay Time: 1.2 ns
• Supply Voltage (max): 5.25 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Development Tools By Supplier: Silicon-Explorer II, Silicon-Sculptor 3, SI-EX-TCA
• Mounting Style: SMD/SMT
• Supply Voltage (min): 2.25 V
• Number Of Gates: 48 K
• Package / Case: PQFP-208
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Junction Temperature (T
The temperature variable selected in the Designer
software refers to the junction temperature, not the
ambient temperature. This is an important distinction
because
consumption usually produces a temperature hotter
than the ambient temperature.
calculate junction temperature.
where
Table 1-14 • Sample Thermal Characteristics
The maximum junction temperature is 150°C.
A sample calculation of the absolute maximum power dissipation allowed for a 256-pin CQFP package at commercial
temperatures and in still air is given in
For Device Power Calculator information, see the
1 -1 6
T
ΔT = Temperature gradient between junction (silicon) and
Package Type
Ceramic Quad Flat Pack (CQFP)
Ceramic Quad Flat Pack (CQFP)
Ceramic Quad Flat Pack (CQFP)
a
HiRel SX-A Family FPGAs
Junction Temperature = ΔT + T
= Ambient temperature
Maximum Power Allowed
ambient
the
heat
generated
a
=
EQ 1-5
Max. junction temp. (°C) Max. ambient temp. (°C)
------------------------------------------------------------------------------------------------------------------------------------- -
by
Pin Count
EQ
dynamic
J
can be used to
208
256
)
84
.
Software Tools section on the Actel
power
EQ 1-5
θ
ja
(°C/W)
v2.0
–
6.3
6.2
θ
–
jc
where
Package Thermal Characteristics
The device junction-to-case thermal characteristic is θ
and the junction-to-ambient characteristic is θ
Table
air flow rates.
P
θ
ja
ΔT = θ
= Power
= Junction-to-ambient thermal resistance of package. θ
1-14, the values of θ
values are given in
ja
θ
ja
* P
Still Air
22
20
–
=
Table
150°C 70°C
------------------------------------
website.
θ
ja
ja
20°C/W
300 ft/min
1-14.
are given for two different
14
10
–
–
=
4.0
W
Units
°C/W
°C/W
°C/W
EQ 1-6
EQ 1-7
ja
. In
ja
jc
,