SC220 ZARLINK [Zarlink Semiconductor Inc], SC220 Datasheet - Page 29

• Manufacturer Part Number: SC220
• Description: XpressFlow 2020 Ethernet Routing Switch Chipset
• Manufacturer: ZARLINK [Zarlink Semiconductor Inc]

XpressFlow-2020 Series –
Ethernet Switch Chipset
4.4 CAM Memory Interface:
© 1998 Vertex Networks, Inc.
1999
Symbol
C_D[15:0]
C_D[15:0]
C10
C11
C12
C1
C2
C3
C4
C5
C6
C7
C8
C9
C_MF#
S_CLK
S_CLK
C_FF#
Input setup and hold timing
Output float delay timing
CAM Memory Interface –
CAM Memory Interface –
C_D[15:0]# input set-up time
C_D[15:0]# input hold time
C_MF# input set-up time
C_MF# input hold time
C_FF# input set-up time
C_FF# input hold time
C_D[15:0]# output valid delay
C_CE# output valid delay
C_WE# output valid delay
C_CM# output valid delay
C_CE# output valid delay
C_D[16:0]# output float delay
P
R
E
Parameter
L
C3
C5
C1
C12
C7-min
I
AC Characteristics – CAM Memory Interface
M
C2
C4
C6
I
N
A
R
(ns)
Y
Min
4.5
1.5
4.5
1.5
4.5
1.5
5
5
5
5
5
-40
Max
(ns)
I
18
18
18
18
18
13
28
N
C_D[15:0]
(ns)
Min
F
1.5
1.5
1.5
C_WE#
C_EC#
C_CM#
C_CE#
S_CLK
4
4
4
4
4
4
4
4
-50
O
Max
(ns)
15
15
15
15
15
10
R
Output valid delay timing
CAM Memory Interface –
M
Min
(ns)
5
2
5
2
5
2
6
6
6
6
6
A
-66
T
Max
(ns)
20
20
20
20
20
15
I
XpressFlow Engine
C10-max
C7-min
C8-min
C9-min
C10--min
C11-max
C11-min
C7-max
C8-max
C9-max
O
N
Rev. 4.5 – February
Note:
SC220