PPC440GX-3RF667C Applied Micro Circuits Corporation, PPC440GX-3RF667C Datasheet - Page 81

• Manufacturer Part Number: PPC440GX-3RF667C
• Manufacturer: Applied Micro Circuits Corporation

Specifications of PPC440GX-3RF667C

• Family Name: 440GX
• Device Core: PowerPC
• Device Core Size: 32b
• Frequency (max): 667MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 1.55/2.5V
• Operating Supply Voltage (max): 1.6/2.7V
• Operating Supply Voltage (min): 1.5/2.3V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 552
• Package Type: CBGA
• Lead Free Status / RoHS Status: Compliant

Revision 1.20 – June 9, 2009
AMCC
I/O Timing—DDR SDRAM T
Notes:
1. All of the DQS signals are referenced to MemClkOut0(0).
2. The T
3. To obtain adjusted values for lower clock frequencies, subtract 4.5 ns from the 166MHz values in the table and add 3/4 of the
I/O Timing—DDR SDRAM T
Notes:
1. T
2. To obtain adjusted T
3. To obtain adjusted T
Data Sheet
Clock Speed (MHz)
Clock Speed (MHz)
cycle time for the lower clock frequency (T
subtract T
T
SK
SK
is referenced to MemClkOut0(0). T
minimum at 166MHz (0.25T
DS
166
166
166
166
166
166
166
166
166
166
166
166
166
166
166
166
200
200
200
values in the table include 3/4 of a cycle at the indicated clock speed.
SK
maximum at 166MHz (0.75T
DQS0
DQS1
DQS2
DQS3
DQS4
DQS5
DQS6
DQS7
DQS8
MemAddr00:12
BA0:1
BankSel0:3
ClkEn0:3
CAS
RAS
WE
MemAddr00:12
BA0:1
BankSel0:3
SA
HA
Signal Name
Signal Name
values for lower clock frequencies, use 3/4 of the cycle time for the lower clock frequency and
values for lower clock frequencies, use 1/4 of the cycle time for the lower clock frequency and add
CYC
DS
SK
+ T
SA
, T
SK
CYC
DS
and T
min).
SA
Minimum
- 4.5 + 0.75T
- T
-0.283
-0.286
-0.270
, and T
0.184
0.439
0.249
0.344
0.319
0.373
0.393
HA
SK
are referenced to MemClkOut0(90).
max).
440GX – Power PC 440GX Embedded Processor
Minimum
T
HA
SK
4.902
4.872
4.842
4.855
4.832
4.867
4.825
4.880
4.826
CYC
(ns)
(Sheet 1 of 2)
).
Maximum
0.592
0.683
0.779
0.724
0.307
0.353
0.321
0.561
0.683
0.639
T
DS
(ns)
Minimum
T
SA
3.908
3.817
3.721
3.776
3.939
3.817
3.816
3.443
3.397
3.429
(ns)
Maximum
5.601
5.535
5.511
5.546
5.504
5.525
5.488
5.543
5.484
Minimum
T
HA
1.684
1.939
1.749
1.844
1.819
1.873
1.893
0.967
0.964
0.980
(ns)
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