參數(shù)資料
型號: MEA224AG
廠商: CONEXANT SYSTEMS
元件分類: 微控制器/微處理器
英文描述: 4 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PBGA352
封裝: 35 X 35 MM, 2.33 MM HEIGHT, PLASTIC, MS-034, BGA-352
文件頁數(shù): 19/29頁
文件大?。?/td> 519K
代理商: MEA224AG
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
1997 Zarlink Semiconductor Inc.
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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