GCIXP1250BA 837411 Intel, GCIXP1250BA 837411 Datasheet - Page 136

• Manufacturer Part Number: GCIXP1250BA 837411
• Manufacturer: Intel

Specifications of GCIXP1250BA 837411

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Intel
4.3.9
4.3.9.1
136
Figure 75. SDCLK AC Timing Diagram
Table 50. SDCLK AC Parameter Measurements
®
IXP1250 Network Processor
SDRAM Interface
SDCLK AC Parameter Measurements
Vt1 = 0.5*VDDX
Vt2 = 0.4*VDDX
Vt3 = 0.3*VDDX
Freq
T
T
T
T
cyc
high
low
r
, T
Symbol
f
Clock frequency
Cycle time
Clock high time
Clock low time
SDCLK rise/fall time
Parameter
V
t3
V
t2
V
t1
T
r
T
high
—
12
4.02
4.02
0.29
MHz
166
Minimum (IXP1250
Core Speed)
T
T
cyc
f
—
4
10
4
0.25
MHz
200
T
low
—
8.62
3.3
3.3
0.21
MHz
232
83
—
—
—
1.16
MHz
166
Maximum (IXP1250
Core Speed)
100
—
—
—
1
MHz
200
116
—
—
—
0.83
MHz
232
Datasheet
MHz
ns
ns
ns
ns
Unit
A8622-01