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598 AMD Geode™ LX Processors Data Book
Electrical Specifications
33234H
7.3 Operating Conditions
Table 7-2 lists the operating conditions for the AMD Geode LX processor.
Table 7-2. Operating Conditions
Symbol Parameter (Note 1)
Note 1. The AMD Geode LX 900@1.5W processor operates at 600 MHz, the AMD Geode LX 800@0.9W processor oper-
ates at 500 MHz, the AMD Geode LX 700@0.8W processor operates at 433 MHz and the AMD Geode
LX 600@.07W processor operates at 366 MHz. Model numbers reflect performance as described here:
http://www.amd.com/connectivitysolutions/geodelxbenchmark
.
Min Typ Max Unit Comments
TC Operating Case Temperature
LX 900@1.5W
080°C
Operating Case Temperature
LX 800@0.9W
0 85 °C See Section A.1 "Order Infor-
mation" for applicable OPN.
-40 85 °C
Operating Case Temperature
LX 700@0.8W
LX 600@0.7W
085°C
VCORE Core Supply Voltage
LX 900@1.5W
1.36 1.40 1.44 V Filtered version of this supply
also supplies PLL power.
Note 2
Note 2. This parameter is calculated as nominal ±3%.
Core Supply Voltage
LX 800@0.9W
1.21 1.25 1.29 V
Core Supply Voltage
LX 700@0.8W
LX 600@0.7W
1.16 1.20 1.24 V
VIO I/O Supply Voltage 3.14 3.3 3.46 V Filtered version of this supply
also supplies DAC power.
Note 3
VVA Video PLL Supply Voltage 3.14 3.30 3.46 V Filtered version of VIO.
Note 3
VMA Memory PLL Supply Voltage 3.14 3.30 3.46 V
VCA CPU PLL Supply Voltage 3.14 3.30 3.46 V
VDAC DAC PLL Supply Voltage 3.14 3.30 3.46 V
VMEM DDR (2.6V SSTL)
LX 900@1.5W,
LX 800@0.9W
2.47 2.60 2.73 V Note 3
DDR (2.5V SSTL)
LX 700@0.8W
2.38 2.50 2.63 V
DDR2 (1.9V)
LX 900@1.5W,
LX 800@0.9W
LX 700@0.8W
1.81 1.90 2.00 V
DDR2 (1.8V)
LX 600@0.7W
1.71 1.80 1.89 V
MVREF DDR
LX 900@1.5W,
LX 800@0.9W
1.23 1.30 1.37 V Note 3, Note 4
Note 3. This parameter is calculated as nominal ±5%.
Note 4. MVREF = 1/2 V
MEM
.
DDR
LX 700@0.8W
1.19 1.25 1.31 V
DDR2
LX 900@1.5W,
LX 800@0.9W
LX 700@0.8W
0.90 0.95 1.0
DDR2 (1.8V)
LX 600@0.7W
0.86 0.90 0.95