PRIXP425BB Intel, PRIXP425BB Datasheet - Page 93
PRIXP425BB
Manufacturer Part Number
PRIXP425BB
Description
IC NETWRK PROCESSR 266MHZ 492BGA
Manufacturer
Intel
Specifications of PRIXP425BB
Processor Type
Network
Features
XScale Core
Speed
266MHz
Voltage
1.3V
Mounting Type
Surface Mount
Package / Case
492-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
869046
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Figure 24.
Table 51.
5.5.2.7
Figure 25.
SDRAM Output Timings
SDRAM Output Timings Values
NOTES:
Expansion Bus
Intel Multiplexed Mode
1. Timing test were performed with a 70-pF load to ground.
Symbol
T
T
clk2out
holdout
EX_WR_N
EX_ADDR
EX_CS_N
EX_DATA
EX_RD_N
EX_DATA
EX_CLK
EX_ALE
Rising edge of clock-to-signal output. Outputs
included in this timing are SDM_ADDR[12:0],
SDM_BA[1:0], SDM_DQM[3:0], SDM_CKE,
SDM_WE_N, SDM_CS_N[1:0], SDM_CAS_N,
SDM_RAS_N, SDM_DQ[31:0] (during a write
operation).
Signal output hold time after the rising edge of
the clock. Outputs included in this timing are
SDM_DQ[31:0] (during a write operation).
Signals
Clock
Intel
T alepulse T ale2valcs
®
Parameter
ALE Extended
IXP42X Product Line and IXC1100 Control Plane Processor
Address
2-5 Cycles
Address
Multiplexed Address/Data
T1
T ale2addrhold
T clk2out
Valid Address
T dval2valwrt
1-4 Cycles
T2
1-16 Cycles
Output Data
T wrpulse
T rdsetup
T3
Input Data
Data Valid
Min.
T dhold2afterwr
1.5
1-4 Cycles
T holdout
T4
T rdhold
Electrical Specifications
1-16 Cycles
T recov
Max.
5.5
T5
A9585-01
Units
ns
ns
A9584-01
1
1
Notes
93
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