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): 18/29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: 24
Rev. 4.0 –December, 1997
6.2 CPU Bus Interface:
P16-min
P15
P_CLK
P_D[31:0]
CPU Bus Interface –
Output float delay timing
P16-min
P16-max
P17-min
P17-max
P18-min
P18-max
P_CLK
P_D[15:0]
P_RDY#
P_INT
CPUBus Interface
Output valid delay timing
P1
P3
P5
P7
P9
P11
P2
P4
P6
P8
P10
P12
P_CLK
P_RST#
P_ADS#
P_W/R#
P_CS#
P_A[11:1]
P_D[15:0]
CPUBus Interface –
Input setup and hold timing
-33
-40
-50
Symbol
Parameter
Min
(ns)
Max
(ns)
Min
(ns)
Max
(ns)
Min
(ns)
Max
(ns)
Note:
P1
P_RST# input setup time
5
4.5
4
P2
P_RST# input hold time
2
1.5
P3
P_ADS# input set-up time
5
4.5
4
P4
P_ADS# input hold time
2
1.5
P5
P_W/R# input set-up time
5
4.5
4
P6
P_W/R# input hold time
2
1.5
P7
P_CS# input set-up time
5
4.5
4
P8
P_CS# input hold time
2
1.5
P9
P_A[11:1] input set-up time
5
4.5
4
P10
P_A[11:1] input hold time
2
1.5
P11
P_D[31:0]# input set-up time
5
4.5
4
P12
P_D[31:0]# input hold time
2
1.5
P15
P_D[31:0]# output float delay
15
13
10
P16
P_D[31:0]# # output valid delay
620518415
CL = 60pf
P17
P_RDY# output valid delay
620518415
CL = 60pf
P18
P_INT# output valid delay
620518415
CL = 20pf
AC Characteristics -- CPU Bus Interface
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