MDS213 Datasheet, PDF (113/120 Pages) Zarlink Semiconductor Inc – 12-Port 10/100Mbps + 1Gbps Ethernet Switch

MDS213
20.3 Local SBRAM Memory Interface
Data Sheet
LOCAL SBRAM MEMORY INTERFACE
L_CLK
L_D[63:0]
L1
L2
LOCAL MEMORY INTERFACE -
Input setup and hold timing
L_CLK
L_D[63:0]
L_A[20:3]
L_ADSC#
L_BW[7:0]#
L_WE[1:0]#
L_OE[1:0]#
L3-max
L3-min
L4-max
L4-min
L6-max
L6-min
L7-max
L7-min
L8-max
L8-min
L9-max
L9-min
LOCAL MEMORY INTERFACE -
Output valid delay timing
Figure 28 - Local Memory Interface - Input Setup and Output Valid Delay Timing
Symbol
Parameter
-100MHZ
Min (ns) Max (ns)
Note
L_CLK
L1
L_D[63:0] input set-up time
L2
L_D[63:0] input hold time
L3
L_D[63:0] output valid delay
L4
L_A[20:3] output valid delay
L6
L_ADSC# output valid delay
L7
L_BW[7:0]# output valid delay
L8
L_WE[1:0]# output valid delay
L9
L_OE[1:0]# output valid delay
C_L = 50pf
3
1.5
2
7
C_L = 30pf
2
7
C_L = 50pf
2
7
C_L = 50pf
2
7
C_L = 30pf
2
7
C_L = 30pf
0
1
C_L = 30pf
Table 13 - AC Characteristics - Local SBRAM Memory Interface
113
Zarlink Semiconductor Inc.