MEA-208 Zarlink Semiconductor, Inc., MEA-208 Datasheet - Page 21

• Manufacturer Part Number: MEA-208
• Description: 6+2 Ports Ethernet Access Controller
• Manufacturer: Zarlink Semiconductor, Inc.

XpressFlow-2020 Series –
Ethernet Switch Chipset
4. AC SPECIFICATION
4.1 XpressFlow Bus Interface:
© 1998 Vertex Networks, Inc.
1999
S_MSGEN#
S_HPREQ#
S_OVLD#
S_D[31:0]
S_TABT#
S_GNT#
S_EOF#
S_IRDY
S_CLK
XpressFlow Bus Interface –
Input setup and hold timing
P
R
E
L
S17
S33
S19
S21
S23
S27
S29
S31
I
M
I
S18
S20
S22
S24
S28
S30
S32
S34
N
A
R
Y
6+2
I
21
N
Ports 10Mb Ethernet Access Controller
S_MSGEN#
S_HPREQ#
F
S_MSGEN#
S_D[31:0]
S_TABT#
S_REQ#
S_D[31:0]
S_EOF#
S_IRDY
O
S_EOF#
S_CLK
S_IRDY
S_CLK
R
Output valid delay timing
XpressFlow Bus Interface –
XpressFlow Bus Interface –
M
Output float delay timing
A
T
I
O
S1-max
S2-max
S3-max
S4-max
S6-max
S7-max
S8-max
S1-min
S2-min
S3-min
S4-min
S6-min
S7-min
S8-min
S12
S13
S14
S15
S1-min
S2-min
S3-min
S4-min
N
Rev. 2.1- February,
EA218