SC220 datasheet(29/34 Pages) ZARLINK

29 / 34 page

PRELIMINARY

INFORMATION

XpressFlow-2020 Series –

SC220

Ethernet Switch Chipset

XpressFlow Engine

Rev. 4.5 – February

1999

4.4

CAM Memory Interface:

S_CLK

C_D[15:0]

C_MF#

C_FF#

CAM Memory Interface –

Input setup and hold timing

C7-min

C12

S_CLK

C_D[15:0]

CAM Memory Interface –

Output float delay timing

C7-min

C7-max

C8-min

C8-max

C9-min

C9-max

C10--min

C10-max

C11-min

C11-max

S_CLK

C_D[15:0]

C_CE#

C_WE#

C_CM#

C_EC#

CAM Memory Interface –

Output valid delay timing

-40

-50

-66

Symbol

Parameter

Min

(ns)

Max

(ns)

Min

(ns)

Max

(ns)

Min

(ns)

Max

(ns)

Note:

C_D[15:0]# input set-up time

4.5

C_D[15:0]# input hold time

1.5

C_MF# input set-up time

4.5

C_MF# input hold time

1.5

C_FF# input set-up time

4.5

C_FF# input hold time

1.5

C_D[15:0]# output valid delay

C_CE# output valid delay

C_WE# output valid delay

C10

C_CM# output valid delay

C11

C_CE# output valid delay

C12

C_D[16:0]# output float delay

AC Characteristics – CAM Memory Interface

SC220 Datasheet(PDF) 29 Page - Zarlink Semiconductor Inc

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