IXP2400 Intel, IXP2400 Datasheet - Page 119

• 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

Datasheet
Figure 40. Mode 0 Single Write Transfer for Self-Timing Device — SlowPort
Table 59. SlowPort Write Timing
P_CLK
SP_ALE_L
SP_CS_L
[1:0]
SP_WR_L
SP_ACK_L
SP_A[1:0]
SP_AD[7:0]
SP_CLK
SP_RD_L
t
CO_rise
1. Default out timing delay is controlled by the TXE register. By default, this register is set to 1, i.e., two P
2. Default out timing delay is controlled by the TXE register. By default, this register is set to 1, i.e., two P
Table 60
SP_AD[7:0]
SP_A[1:0]
SP_CS[0]
SP_CS[1]
0
External
SP_ACK
output to
SP_CLK
SP_ALE
Signals
SP_WR
external
clock cycles delay or 6666.66 psec. Minimum delay can be set to 0.
clock cycles delay or 6666.66 psec. Minimum delay can be set to 0.
SP_RD
device
t
CO_fall
timing applies to Mode 0, 1, 2, 3, and 4.
t
2
t
co
co
(default
9:2
Max
3.0
8.5
8.4
8.4
9.1
8.4
9.0
—
—
tco rise
17:10
4
1
) (ns)
Min
1.4
5.3
5.3
5.3
5.5
5.3
5.5
24:18
—
—
t
co
(default
6
Max
3.7
9.0
9.0
9.0
9.2
9.0
9.2
—
—
tco fall
2
) (ns)
Min
8
3.3
5.4
5.4
5.4
5.6
5.4
5.6
—
—
a[1:0]
t
Max
9.2
co
—
—
—
—
—
—
—
0
D[7:0]
10
(ns)
th
Min
5.5
—
—
—
—
—
—
—
0
12
Max
6.8
—
—
—
—
—
—
—
—
Intel
(ns)
tsu
t
su
®
Min
4.5
—
—
—
—
—
—
—
—
14
IXP2400 Network Processor
t
h
Max
t
—
—
—
—
—
—
—
—
—
co
(ns)
tpw
16
Min
—
—
—
—
—
—
—
—
—
18
9:2
17:10
24:18
20
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