cx28250 Mindspeed Technologies, cx28250 Datasheet - Page 184

• Manufacturer Part Number: cx28250
• Description: Cx28250 Atm Physical Interface Phy Devices
• Manufacturer: Mindspeed Technologies

5.0 Electrical and Mechanical Specifications
5.1 Timing Specifications
5.1.5 One-second Interface Timing
Table 5-9. One-second Timing Table
5-18
Symbol
t
t
t
t
pwh1
pwh2
t
t
pdlh
pdhl
pwl
per
Period, 8kHzIn
Pulse Width High, 8kHzIn
Pulse Width Low, 8kHzIn
Propagation Delay Low-to-high, OneSecOut from the rising
edge of 8kHzIn
Propagation Delay High-to-low, OneSecOut from the rising
edge of 8kHzIn
Pulse Width High, OneSecIn
Figure 5-10
One-second interface. These output values are measured into a 20 pF load.
Figure 5-10. One-second Timing Diagram
Description
OneSecOut
OneSecIn
Mindspeed Technologies
8kHzIn
and
Table 5-9
show the timing requirements and characteristics of the
t per
t pwh2
™
t pwh1
t pdlh
ATM Physical Interface (PHY) Devices
Min
125
10
10
22
2
2
t pwl
Max
125
—
—
—
9
6
t pdhl
28250-DSH-002-C
500035_037
Unit
CX28250
µs
ns
ns
ns
ns
ns