GCIXP1250BC 837414 Intel, GCIXP1250BC 837414 Datasheet - Page 121

• Manufacturer Part Number: GCIXP1250BC 837414
• Manufacturer: Intel

Specifications of GCIXP1250BC 837414

• Lead Free Status / Rohs Status: Supplier Unconfirmed

4.3.8
4.3.8.1
Datasheet
Figure 60. IX Bus Ownership Passing
Figure 61. SRAM SCLK Signal AC Parameter Measurements
SRAM Interface
SRAM SCLK Signal AC Parameter Measurements
Vt1 = 0.5*VDDX
Vt2 = 0.4*VDDX
Vt3 = 0.3*VDDX
A = Driven by the Intel
B = Driven high for one cycle by the IXP1200 Network Processor _L2 (no port is selected),
C = Weak external pull-up resistors are recommended on PORTCTL_L[7:0], FPS[2:0] and TXAXIS.
Notes:
if the transfer is a Rx.
then tristated.
(is TK_IN to _L2 )
PORTCTL_L[7:0]
TK_OUT _L1
TK_OUT _L2
FDAT[63:0]
FPS[2:0]
TXAXIS
FCLK
®
V
Device 1 Releases Token
t3
IXP1250 Network Processor _L1 if the transfer is a Tx, not driven
V
1
t2
V
t1
T
r
2
Data
T
high
3
T
T
cyc
4
f
B
A
5
T
low
C
Intel
Device 2 Now Has Token
6
®
IXP1250 Network Processor
7
8
9
A8607-01
A8608-01
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