GCIXP1240AB 837151 Intel, GCIXP1240AB 837151 Datasheet - Page 80

• Manufacturer Part Number: GCIXP1240AB 837151
• Manufacturer: Intel

Specifications of GCIXP1240AB 837151

• Lead Free Status / Rohs Status: Not Compliant

Intel
4.3.7
4.3.7.1
80
Figure 19. FCLK Signal AC Parameter Measurements
Table 44. FCLK Signal AC Parameter Measurements
®
IXP1240 Network Processor
IX Bus
FCLK Signal AC Parameter Measurements
1. Maximum F
2. T
3. Nominal V
F
T
T
T
V
T
c
CLK
high
low
r
ptp
, T
Maximum F
high
2
f
2
and T
Symbol
ptp
low
CLK
CLK
= 0.12*VDDX to 0.75*VDDX.
are based on a 50% duty cycle and can vary (worst case) 45-55%.
frequency for 232 MHz rated parts is 104 MHz. Maximum F
frequency for 166 MHz rated parts is 66 MHz.
V
ptp
Clock frequency
Cycle time
Clock high time
Clock low time
Clock peak to peak
Clock rise/fall time
F
core
V
l
/FCLK Clock Ratio
V
h
Parameter
T
r
T
high
3
2
T
T
c
3.8
10
9.62
3.8
0.6*VDDX
1
1.5:1
f
Minimum
1
T
low
CLK
frequency for 200 MHz rated parts is 85 MHz.
104
100
---
---
---
4
Maximum
1
MHz
ns
ns
ns
V
ns
Datasheet
Unit
A8573-01