GWIXP465BAB Intel, GWIXP465BAB Datasheet - Page 49
GWIXP465BAB
Manufacturer Part Number
GWIXP465BAB
Description
Manufacturer
Intel
Datasheet
1.GWIXP465BAB.pdf
(163 pages)
Specifications of GWIXP465BAB
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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Package Information
Table 11.
May 2005
49
DDRI_CKE[1:0]
DDRI_RCVENOUT_N
DDRI_RCVENIN_N
DDRI_RCOMP
DDRI_VREF
NOTE: This table discusses all features supported on the Intel
† For a legend of the Type codes, see
processor, see
Name
DDR SDRAM Interface (Sheet 2 of 2)
Table 1 on page
Tied off
resistor
VCCM/
Power
Reset
to a
on
Z
Z
Z
2
†
VCCM/2
Tied off
resistor
Reset
b’00
to a
Table 10 on page
VI
14.
1
†
Tied off to
Software
a resistor
Enables
VCCM/2
Normal
Reset
After
Until
VO
VO
VI
46.
Software
Tied off to
a resistor
Enables
VCCM/2
Normal
®
After
VO
VO
IXP45X and Intel
VI
Type
O
O
O
I
I
†
®
Clock enables — One clock after DDRI_CKE[1:0] is de-asserted, data is latched on DQ[31:0]
and DDRI_CB[7:0]. Burst counters within DDR SDRAM device are not incremented. De-
asserting this signal places the DDR SDRAM in self-refresh mode. For normal operation,
DDRI_CKE[1:0] must be asserted.
RECEIVE ENABLE OUT must be connected to DDRI_RCVENIN_N signal of the IXP45X/
IXP46X network processors and the propagation delay of the trace length must be matched to
the clock trace plus the average DQ Traces.
RECEIVE ENABLE IN provides delay information for enabling the input receivers and must be
connected to the DDRI_RCVENOUT_N signal of the IXP45X/IXP46X network processors.
20 Ohm 1% tolerance Resistor connected to ground used for process/temperature
adjustments.
DDR SDRAM Voltage Reference — is used to supply the reference voltage to the differential
inputs of the memory controller pins.
IXP46X Product Line of Network Processors. For details on feature support listed by
Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors Datasheet
Description
Document Number:
306261-002
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