PRIXP421BB 869740 Intel, PRIXP421BB 869740 Datasheet - Page 35

• Manufacturer Part Number: PRIXP421BB 869740
• Manufacturer: Intel

Specifications of PRIXP421BB 869740

• Core Operating Frequency: 533MHz
• Package Type: BGA
• Pin Count: 492
• Mounting: Surface Mount
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Compliant

Intel
Table 7.
August 2006
Document Number: 252479-006US
®
IXP42X product line and IXC1100 control plane processors
SDRAM Interface (Sheet 2 of 2)
SDM_CKE
SDM_DQM[3:0]
†
Name
For a legend of the Type codes, see
Power
or Sys
Reset
Reset
Intel
Z
Z
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
Reset
Post
1
0
Type
O
O
†
Table 5 on page
SDRAM Clock Enable: CKE is driving high to activate the
clock to an external SDRAM and driven low to de-activate the
CLK to an external SDRAM.
SDRAM Data bus mask: DQM is used to byte select data
during read/write access to an external SDRAM.
33.
Description
Datasheet
35