MC68160C Motorola, MC68160C Datasheet - Page 23

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

TP COLLISION SWITCHING
TP FULL DUPLEX SWITCHING
NOTE: Load on specified output is 20 pF to ground, unless otherwise noted.
MOTOROLA ANALOG IC DEVICE DATA
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
RENA
TENA
CLSN
TPFULDL
TPFULDL
RENA
CLSN
1.5V
Characteristic
1.5V
1.5V
t 210
1.5V
MC68160 MC68160B MC68160C
t 223
t 220
Figure 36. TPTX Full Duplex Timing
Figure 37. TPTX Full Duplex Timing
Figure 35. TPTX Collision Timing
1.5V
1.5V
1.5V
1.5V
t 222
t 221
1.5V
1.5V
Symbol
t 210
t 211
t 220
t 221
t 222
t 223
1.5V
t 211
Min
350
–
–
–
–
–
1.5V
Max
300
900
350
150
50
50
Unit
ns
ns
ns
23