mc68160b Freescale Semiconductor, Inc, mc68160b Datasheet - Page 12

• Manufacturer Part Number: mc68160b
• Description: Enhanced Ethernet Transceiver
• Manufacturer: Freescale Semiconductor, Inc

AC ELECTRICAL CHARACTERISTICS
temperature and power supply voltage ranges for each MC68160B except where noted.)
EXTERNAL CLOCK INPUT (X1)
RECEIVE PHASE–LOCKED–LOOP SWITCHING
CONTROLLER TRANSMIT SWITCHING (MOTOROLA MODE)
CONTROLLER RECEIVE SWITCHING
NOTES: 1. To meet IEEE–802.3 specifications.
12
Cycle Time (Note 1) (See Figure 8)
Fall Time
Rise Time
Low Time
High Time
Stabilization Time
TCLK Cycle Time
TCLK High Time
TCLK Low Time
TCLK Rise and Fall Time
TX Setup Time to TCLK
TX Hold Time to TCLK
TENA Setup Time to TCLK
TENA Hold Time to TCLK
RCLK Cycle Time
RCLK High Time
RCLK Low Time
RCLK Rise and Fall Time
RX Hold Time from RCLK
RX Set–Up Time to RCLK
RCLK Delay from RENA
RX Delay from RENA
RENA Deassertion Delay from RCLK
2. Load on specified output is 20 pF to ground, unless otherwise noted.
3.
= Rising Edge
Characteristic
4.0V
Figure 8. X1 Input Voltage Levels for Timing Measurements
0V
(See Figure 12)
(Unless otherwise noted, minimum and maximum limits apply over the recommended
1.5V
t 5
t 2
MC68160B
1.5V
3.6V
t 1
0.4V
t 4
Symbol
t 24.1
t 10
t 11
t 12
t 13
t 14
t 15
t 16
t 17
t 20
t 21
t 22
t 23
t 24
t 25
t 26
t 27
t 1
t 2
t 3
t 4
t 5
t 7
0.4V
1.5V
t 3
MOTOROLA ANALOG IC DEVICE DATA
3.6V
49.995
Min
20
20
99
45
45
20
20
90
42
44
10
70
10
–
–
–
–
0
0
–
–
–
50.005
Max
100
101
650
600
5.0
5.0
8.0
8.0
30
30
55
55
58
30
–
–
–
–
–
–
–
–
Unit
ms
ns
ns
ns
ns
ns
ns
ns
ns