IXP2400 Intel, IXP2400 Datasheet - Page 101

• Manufacturer Part Number: IXP2400
• Manufacturer: Intel

Specifications of IXP2400

• Operating Supply Voltage (typ): 1.3/1.5/2.5/3.3V
• Mounting: Surface Mount
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Not Compliant

4.2
4.2.1
4.2.2
Datasheet
Figure 13. SYS_CLK Timing
Table 38. SYS_CLK DC Specification
Table 39. SYS_CLK AC Specifications
AC/DC Specifications
Clock Timing Specifications
1. These specifications apply only to SYS_CLK and are very preliminary estimates.
2. 0.2 x VCC3.3 to 0.6 x VCC3.3.
3. When the IXP2400 powers up, the reference clock should start running as soon as possible.
PCI I/O Unit
This section specifies the following electrical behavior for the PCI I/O Unit.
V
V
VOV
VUS
SYS_CLK
T
T
T
•
Symbol
cyc
high
low
il
ih
Use only 32-bit and/or 33-MHz PCI if it is adequate for the application. Power consumption in
such cases is lower than PCI 64-bit/66-MHz.
Symbol
—
1
Input low voltage
Input high voltage
Overshoot
Undershoot
Parameter
Reference clock frequency
SYS_CLK cycle time
SYS_CLK high time
SYS_CLK low time
SYS_CLK slew rate
Vih
Parameter
Minimum
-0.2
2.4
0
0
2
T
high
Maximum
0.5
3.3
0.2
0
T
Vil
cyc
Maximum
SYS_CLK
Duration
T
Min
low
4.2
4.2
3% of
66
10
cycle
Intel
2
—
—
®
IXP2400 Network Processor
Typical
Unit
—
—
—
—
—
V
V
V
V
16.6
Max
100
—
—
4
MHz
V/ns
A9816-01
Unit
ns
ns
ns
101