GWIXP455BAB Intel, GWIXP455BAB Datasheet - Page 139
GWIXP455BAB
Manufacturer Part Number
GWIXP455BAB
Description
Manufacturer
Intel
Datasheet
1.GWIXP455BAB.pdf
(163 pages)
Specifications of GWIXP455BAB
Core Operating Frequency
266MHz
Operating Supply Voltage (typ)
1.3/1.5/2.5/3.3V
Operating Supply Voltage (max)
1.575/2.7/3.465V
Operating Supply Voltage (min)
1.235/2.3/3.135V
Package Type
BGA
Pin Count
544
Mounting
Surface Mount
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Lead Free Status / Rohs Status
Not Compliant
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Figure 31.
Table 64.
Intel
Document Number:
®
IXP45X and Intel
DDRI SDRAM Read Timings (2.5 CAS Latency)
DDRI SDRAM Read Timing Values
NOTES:
DDRI_RCVENOUT_N
Symbol
1. Designed to JEDEC specification, it is recommended that IBIS models be used to verify signal integrity on
306261-002
DDRI_DQ, _CB, _DM
DDRI_RCVENIN_N
individual designs
T
T
T
T
T
T
®
1
2
3
4
5
6
IXP46X Product Line of Network Processors Datasheet
DDRI_M_CLK
DDRI_DQS
DDRI_RCVENOUT_N minimum output valid
time after DDRI_M_CLK
DDRI_RCVENOUT_N maximum output valid
time after DDRI_M_CLK
DDRI_RCVENIN_N input valid time before
DDRI_DQS
DDRI_RCVENIN_N hold time from DDRI_DQS
valid
Maximum delay for Data valid after any edge of
DDRI_DQS. Both of these signal are inputs from
the memory during read operations.
Maximum guaranteed time before data begins
to transition to the next valid data prior to any
DDRI_DQS clock edge. Both of these signal are
inputs from the memory during read operations.
This time in conjunction with timing parameter
T
signals can operate with the memory controller
on the IXP45X/IXP46X network processors.
5
specify the window for which the DDRI data
Parameter
RD CMD
T
T
1
2
T
Min.
-0.1
5
0.9
3.6
D0
T
D1
6
Electrical Specifications
Max.
0.75
D2
2.7
1.0
T
3
T
4
D3
D4
Units
ns
ns
ns
ns
ns
ns
D5
D6
1
1
May 2005
Notes
D7
139
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