mc92600 Freescale Semiconductor, Inc, mc92600 Datasheet - Page 62

• Manufacturer Part Number: mc92600
• Description: Quad 1.25 Gbaud Serdes User S Manual
• Manufacturer: Freescale Semiconductor, Inc

AC Electrical Characteristics
Table 6-10 shows the timing specifications for DDRE = High, RCCE = High.
6.3.2
The timing diagram for the reference clock is shown in Figure 6-7.
Table 6-11 shows the timing specifications for the reference clock.
6-8
1
2
Symbol
Symbol
Full speed, HSE = Low.
Half speed, HSE = High.
T
T
T
T
T
Figure 6-6. Receiver Interface Timing Diagram (DDRE = High, RCCE = High)
Table 6-10. Receiver Timing Specification (DDRE = High, RCCE = High)
H
r
1
2
f
RECV_x_RCLK
RECV_x_7–0
RECV_x_K
RECV_x_IDLE
RECV_x_ERR
RECV_x_9
REF_CLK
REF_CLK rise time
REF_CLK fall time
REF_CLK pulse width high
Setup time to rising/falling edge of RECV_x_RCLK
Setup time to rising/falling edge of RECV_x_RCLK
Hold time to rising/falling edge of RECV_x_RCLK
Hold time to rising/falling edge of RECV_x_RCLK
Reference Clock Timing
T
f
, T
r
Figure 6-7. Reference Clock Timing Diagram
Table 6-11. Reference Clock Specification
1
1
MC92600 SERDES User’s Manual
2
Characteristic
Characteristic
T
1
T
2
1
2
1
2
T
H
T
1/f
1
range
T
2
T
L
Min
2.5
5.7
3.4
6.6
Min
3.2
—
—
Max
Max
2.0
2.0
—
-
-
-
-
MOTOROLA
Unit
Unit
ns
ns
ns
ns
ns
ns
ns