EA-224 datasheet(26/29 Pages) ZARLINK

Part #	EA-224

Description	4-Port 10/100M Ethernet Access Controller

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Manufacturer	ZARLINK [Zarlink Semiconductor Inc]

Direct Link	http://www.zarlink.com

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PRELI

MI

NARY

D

A

TA

S

H

EET

XpressFlow-2001 Series –

EA-224

Ethernet Switch Chip-set

4-Port 10/100M Ethernet Access Controller

Page: 25

Rev. 4.0 –December, 1997

6.3 Local Memory Interface:

L1

L2

L_CLK

L_D[31:0]

Local Memory Interface –

Input setup and hold timing

L3-min

L10

L_CLK

L_D[31:0]

Local Memory Interface –

Output float delay timing

L3-min

L3-max

L4-min

L4-max

L5-min

L5-max

L6-min

L6-max

L7-min

L7-max

L8-min

L8-max

L9-min

L9-max

L_CLK

L_D[31:0]

L_A[19:2]

L_CS[3:0]#

L_ADSC#

L_BWE[3:0]#

L_WE#]

L_OE#

Local Memory Interface –

Output valid delay timing

-33

-40

-50

Symbol

Parameter

Min

(ns)

Max

(ns)

Min

(ns)

Max

(ns)

Min

(ns)

Max

(ns)

Note:

L1

L_D[31:0]# input set-up time

5

4.5

4

L2

L_D[31:0]# input hold time

2

1.5

L3

L_D[31:0]# output valid delay

6

20

5

18

4

15

CL = 30pf

L4

L_A[19:2] output valid delay

6

20

5

18

4

15

CL = 30pf

L5

L_CS[3:0]# output valid delay

6

20

5

18

4

15

L6

L_ADSC# output valid delay

6

20

5

18

4

15

CL = 30pf

L7

L_BWE[3:0]# output valid delay

6

20

5

18

4

15

CL = 30pf

L8

L_WE# output valid delay

6

20

5

18

4

15

CL = 10pf

L9

L_OE# output valid delay

6

20

5

18

4

15

CL = 10pf

L10

L_D[31:0]# output float delay

15

13

10

AC Characteristics – Local Memory Interface

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