DS3251+ Maxim Integrated Products, DS3251+ Datasheet - Page 45

• Manufacturer Part Number: DS3251+
• Description: IC LIU DS3/E3/STS-1 144-CSBGA
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS3251+

• Number Of Drivers/receivers: 1/1
• Protocol: DS3
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 144-CSBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 17-C. Framer Interface Timing
(V
Note 7:
RCLK/TCLK Clock Period
RCLK Duty Cycle
TCLK Duty Cycle
MCLK Duty Cycle
TPOS/TDAT, TNEG to TCLK Setup
Time
TPOS/TDAT, TNEG Hold Time
RCLK to RPOS/RDAT, RNEG/RLCV,
and PRBS Value Change
RCLK Rise and Fall Time
TCLK Rise and Fall Time
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 8:
Note 9:
DD
= 3.3V ±5%, T
When RCINV = 0, RPOS/RDAT and RNEG/RLCV are updated on the falling edge of RCLK. When RCINV = 1, RPOS/RDAT and
DS3 mode.
E3 mode.
STS-1 mode.
Outputs loaded with 25pF, measured at 50% threshold.
Not tested during production test.
When TCINV = 0, TPOS/TDAT and TNEG are sampled on the rising edge of TCLK. When TCINV = 1, TPOS/TDAT and TNEG
are sampled on the falling edge of TCLK.
RNEG/RLCV are updated on the rising edge of RCLK.
Outputs loaded with 25pF, measured between V
Measured between V
PARAMETER
A
= -40°C to +85°C.)
IL
(max) and V
IH
(Figure 17-1
(min).
t2/t1, t3/t1
t2/t1, t3/t1
t2/t1, t3/t1
SYMBOL
t1
t4
t5
t6
t7
t8
OL
(max) and V
and
45 of 71
Figure
(Note 1)
(Note 2)
(Note 3)
(Notes 4, 5)
(Note 5)
(Note 5)
(Notes 5, 6)
(Notes 5, 6)
(Notes 4, 5, 7)
(Notes 5, 8)
(Notes 5, 9)
CONDITIONS
OH
(min).
17-2)
MIN
45
30
30
2
2
2
22.4
29.1
19.3
TYP
50
3
MAX
55
70
70
6
5
5
UNITS
ns
ns
ns
ns
ns
ns
%
%
%