PPC440EPX-SUA667T Applied Micro Circuits Corporation, PPC440EPX-SUA667T Datasheet - Page 86

• Manufacturer Part Number: PPC440EPX-SUA667T
• Manufacturer: Applied Micro Circuits Corporation

Specifications of PPC440EPX-SUA667T

• Family Name: 440EPx
• Device Core: PowerPC
• Device Core Size: 32b
• Frequency (max): 667MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 1.5/3.3V
• Operating Supply Voltage (max): 1.6/3.45V
• Operating Supply Voltage (min): 1.425/3.15V
• Operating Temp Range: -40C to 100C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 680
• Package Type: TEBGA
• Lead Free Status / RoHS Status: Compliant

440EPx – PPC440EPx Embedded Processor
Figure 10. DDR SDRAM Write Cycle Timing
Note: The timing data in the following tables is based on simulation runs using Einstimer.
Table 25. I/O Timing—DDR SDRAM T
Notes:
1. All of the DQS signals are referenced to MemClkOut with the DQS delay line programmed to 1 cycle.
2. Clock speed is 166MHz.
86
DQS0
DQS1
DQS2
DQS3
DQS4
DQS5
DQS6
DQS7
DQS8
Signal Name
MemClkOut
T
T
T
T
T
T
SK
SA
SD
HD
HA
DS
MemData
PLB Clk
= Delay from falling edge of MemClkOut to rising/falling edge of signal (skew)
= Setup time for address and command
= Setup time for data signals (minimum time data is valid before rising/falling edge of DSQ)
= Hold time for data signals (minimum time data is valid after rising/falling edge of DSQ)
= Hold time for address and command signals from MemClkOut
= Delay from rising/falling edge of clock to the rising/falling edge of DQS
DQS
Addr/Cmd
DS
T
SA
T
SK
T
HA
Minimum
−0.030
−0.030
−0.050
−0.110
−0.140
−0.120
−0.060
−0.010
−0.140
T
T
SD
DS
T
HD
T
DS
T
DS
(ns)
T
Revision 1.30 – February 27, 2009
SD
T
HD
Maximum
+0.650
+0.620
+0.580
+0.480
+0.410
+0.480
+0.580
+0.690
+0.420
Data Sheet
AMCC Proprietary