zl50417 ETC-unknow, zl50417 Datasheet - Page 107

• Manufacturer Part Number: zl50417
• Description: Unmanaged 16-port 10/100m +2-port Ethernet Switch
• Manufacturer: ETC-unknow

Data Sheet
14.6
14.6.1
AC Characteristics – Local Switch Database SBRAM Memory Interface
L1
L2
L3
L4
L6
L8
L9
L10
L11
Symbol
Local Switch Database SBRAM Memory Interface
Local SBRAM Memory Interface
LB_D[63:0] input set-up time
LB_D[63:0] input hold time
LB_D[63:0] output valid delay
LB_A[20:3] output valid delay
LB_ADSC# output valid delay
LB_WE[1:0]#output valid delay
LB_OE[1:0]# output valid delay
LB_WE# output valid delay
LB_OE# output valid delay
Figure 19 - Local Memory Interface – Input setup and hold timing
Figure 20 - Local Memory Interface - Output valid delay timing
LB_D[63:0]
LB_WE[1:0]#
Parameter
LB_OE[1:0]#
LB_ADSC#
LB_CLK
LB_D[31:0]
LB_A[21:2]
LB_OE#
LB_WE#
LB_CLK
Zarlink Semiconductor Inc.
L1
L11-max
L10-max
L11-min
L3-min
L4-min
L6-min
L8-min
L9-min
L10-min
L3-max
L4-max
L6-max
L8-max
L9-max
L2
4
1.5
1.5
2
1
1
-1
1
1
Min (ns)
-100MHz
7
7
7
7
1
7
5
Max (ns)
C
C
C
C
C
C
C
L
L
L
L
L
L
L
= 25pf
= 30pf
= 30pf
= 25pf
= 25pf
= 25pf
= 25pf
Note:
ZL50417
107