mc68160a Freescale Semiconductor, Inc, mc68160a Datasheet - Page 16

• Manufacturer Part Number: mc68160a
• Description: Enhanced Ethernet Interface Circuit
• Manufacturer: Freescale Semiconductor, Inc

CONTROLLER TRANSMIT SWITCHING (National Mode – Supported by MC68160A Only)
CONTROLLER RECEIVE SWITCHING
NOTE: Load on specified output is 20 pF to ground, unless otherwise noted.
TXC Cycle Time
TXC High and Low Time
TXC Rise and Fall Time
TXD Setup Time to TXC
TXD Hold Time to TXC
TXE Setup Time to TXC
TXE Hold Time to TXC
RXC Cycle Time
RXC Low Time
RXC High Time
RXC Rise and Fall Time
RXD Hold Time from RXC
RXD Set–Up Time from RXC
RXC Delay from CRS
CRS Deassertion Delay from RXC
RXC continuing beyond CRS
= Rising Edge
= Falling Edge
RCKN
XCD
RXD
RCKN
XCD
RXD
1.5V
Characteristic
Freescale Semiconductor, Inc.
t 105
Figure 16. Receive Timing (Fujitsu Start of Frame)
Figure 17. Receive Timing (Fujitsu End of Frame)
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1.5V
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t 102
1.5V
1.5V
MC68160A
t 101
1.5V
t 104.1
1.5V
t 106
1.5V
1.5V
t 104
Symbol
t 124.1
t 110
t 112
t 113
t 114
t 115
t 116
t 120
t 121
t 122
t 123
t 124
t 125
t 126
t 127
t 111
t 103
0.8V
3V
t 103
OROLA ANALOG IC DEVICE DATA
Min
5.0
99
45
20
20
90
40
40
50
35
–
0
0
–
–
0
1.5V
t 100
1.5V
Max
101
600
8.0
8.0
55
60
15
–
–
–
–
–
–
–
–
–
cycles
Unit
ns
ns
ns
ns
ns
ns