PPC440GP-3FC400C Applied Micro Circuits Corporation, PPC440GP-3FC400C Datasheet - Page 74

• Manufacturer Part Number: PPC440GP-3FC400C
• Manufacturer: Applied Micro Circuits Corporation

Specifications of PPC440GP-3FC400C

• Family Name: 440GP
• Device Core: PowerPC
• Device Core Size: 32/64Bit
• Frequency (max): 400MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 1.8V
• Operating Supply Voltage (max): 1.9/1.95V
• Operating Supply Voltage (min): 1.65/1.7V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 552
• Package Type: FCBGA
• Lead Free Status / RoHS Status: Not Compliant

440GP – Power PC 440GP Embedded Processor
74
Example 2:
In this example Read Clock is delayed almost 1/2 cycle. Without ECC, Stage 2 data can be sampled at (2). If ECC
is enabled, Stage 3 data must be sampled (see Example 3). In this example, T
case conditions.
DDR SDRAM Read Cycle Timing—Example 2
Read Clock Delayed
Data out at RDSP
Data in Stage 1 D
Data out Stage 1
DQS Stage 1 C
Data in at RDSP
Data in at RDSP
Data out Stage 2
without ECC
without ECC
Data at pin
DQS at pin
PLB Clock
with ECC
T
DIN
High
Low
High
Low
High
Low
High
High
Low
Low
T
T
D0
SIN
T
T
P
TE
T
D0
= Propagation delay from Stage 2 input to RDSP input w/o ECC
= Propagation delay from Stage 2 input to RDSP input with ECC
D0
T
D1
P
D1
D0
D1
T
T
T
D2
TE
D0
D2
D1
(2)
D2
D3
D0
D1
D3
D2
D3
D0
D1
D0
D1
D2
D3
T
Revision 1.11 – August 27, 2010
= 1.5ns and T
D2
D3
D2
D3
AppliedMicro Proprietary
D2
D3
TE
Data Sheet
= 4.3ns at worst