mc68160a Freescale Semiconductor, Inc, mc68160a Datasheet - Page 23

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

TP COLLISION SWITCHING
TP FULL DUPLEX SWITCHING
NOTE: Load on specified output is 20 pF to ground, unless otherwise noted.
Time from collision (TPRX activity caused assertion of RENA followed by assertion of
Time from end of collision (Deassertion of TENA with uninterrupted TPRX pair
TPFULDL assert to collision detect disable (See Figure 36)
TPFULDL deassert to collision detect enable
TPFULDL assert to data loop back disable (See Figure 37)
TPFULDL deassert to data loop back enable
TENA) to assertion of CLSN
activity) to deassertion of CLSN
OROLA ANALOG IC DEVICE DATA
RENA
TENA
CLSN
TPFULDL
TPFULDL
RENA
CLSN
1.5V
Characteristic
Freescale Semiconductor, Inc.
1.5V
1.5V
t 210
For More Information On This Pro
1.5V
t 223
t 220
Figure 36. TPTX Full Duplex Timing
Figure 37. TPTX Full Duplex Timing
Figure 35. TPTX Collision Timing
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1.5V
1.5V
MC68160A
1.5V
1.5V
t 222
t 221
1.5V
1.5V
Symbol
t 210
t 220
t 221
t 222
t 223
t 211
1.5V
t 211
Min
350
–
–
–
–
–
1.5V
Max
300
900
350
150
50
50
Unit
ns
ns
ns
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