MC68160C Motorola, MC68160C Datasheet - Page 14

• Manufacturer Part Number: MC68160C
• Description: ENHANCED ETHERNET INTERFACE TRANSCEIVER
• Manufacturer: Motorola

CONTROLLER TRANSMIT SWITCHING (Intel Mode – Support by MC68160 Only)
CONTROLLER RECEIVE SWITCHING
NOTE: Load on specified output is 20 pF to ground, unless otherwise noted.
14
TXC Cycle Time
TXC High and Low Time
TXC Rise and Fall Time
TXD Setup Time to TXC
TXD Hold Time to TXC
RTS Setup Time to TXC
RTS Hold Time to TXC
RXC Cycle Time
RXC High Time
RXC Low Time
RXC Rise and Fall Time
RXD Hold Time from RXC
RXD Set–Up Time to RXC
CRS Delay from RXC
= Rising Edge
= Falling Edge
RENA
RCLK
TXC
RTS
TXD
RX
3V
t 42
Characteristic
0.8V
1.5V
t 42
t 45
3V
Figure 12. Receive Timing (Motorola End of Frame)
1
1.5V
MC68160 MC68160B MC68160C
1.5V
t 43
Figure 13. Transmit Timing (Intel)
0
1.5V
1.5V
t 41
0
t 41
1.5V
t 40
0
1.5V
Symbol
t 85.1
t 40
t 41
t 42
t 43
t 44
t 45
t 46
t 80
t 81
t 82
t 83
t 85
t 86
Last Bit
1.5V
t 43
1
t 27
MOTOROLA ANALOG IC DEVICE DATA
1.5V
1.5V
t 44
1.5V
Min
Last Bit
99
40
20
20
90
45
40
50
35
12
1 / 0
–
0
0
–
1.5V
1.5V
t 46
Max
101
5.0
5.0
55
30
–
–
–
–
–
–
–
–
–
Unit
ns
ns
ns
ns
ns