cx28331 Mindspeed Technologies, cx28331 Datasheet - Page 43

• Manufacturer Part Number: cx28331
• Description: Single/dual/triple E3/ds3/sts-1line Interface Unit
• Manufacturer: Mindspeed Technologies

CX28331/CX28332/CX28333 (-1x)
Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit
28333-DSH-001-A
2.9 AC Characteristics
Table 2-8. AC Characteristics (Logic Timing)
Tosym, Tisym
RCLK and TCLK
Clock Duty Cycle
Todelay
Tisetup
Tihold
NOTE(S):
1. The description applies to the DS3, E3, and STS-1 clock rates and other parameters such
2. The timing diagram, illustrated in
3. Todelay is measure with a 10–15 pF loading characteristic.
as pulse width, set-up time, hold time, and duty cycle.
between various clock and data signals, and parameter values.
Mindspeed Proprietary and Confidential
Parameter
Mindspeed Technologies
E3 (34.368 MHz)
DS-3 (44.736 MHz)
STS-1 (51.84 MHz)
Towidth/Tosym, RCLK
Tiwidth/Tisym, TCLK
Tiwidth/Tisym, REFCLK
TPOS/TNRZ, TNEG,
TAIS
TPOS/TNRZ, TNEG,
TAIS
Conditions
—
Figure
2-13., describes the logical relationship
™
Min
—
45
40
40
—
4
0
2.0 Functional Description
29.10
22.35
19.29
Nom
—
—
—
—
2.9 AC Characteristics
Max
—
55
60
60
—
—
3
Unit
ns
ns
ns
%
%
%
ns
ns
ns
2-21