DS3154+ Maxim Integrated Products, DS3154+ Datasheet - Page 38

• Manufacturer Part Number: DS3154+
• Description: IC LIU DS3/E3/STS1 QUAD 144CSBGA
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS3154+

• Number Of Drivers/receivers: 4/4
• Protocol: IEEE 1149.1
• 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 13-C. Framer Interface Timing
(V
Note 4: DS3 mode.
Note 5: E3 mode.
Note 6: STS-1 mode.
Note 7: Outputs loaded with 25pF, measured at 50% threshold.
Note 8: Not tested during production test.
Note 9: When TCINV = 0, TPOS/TDAT and TNEG are sampled on the rising edge of TCLK. When TCINV = 1, TPOS/TDAT and TNEG are
Note 10: When RCINV = 0, RPOS/RDAT and RNEG/RLCV are updated on the falling edge of RCLK. When RCINV = 1, RPOS/RDAT and
Note 11: Outputs loaded with 25pF, measured between V
Note 12: Measured between V
Figure 13-1. Transmitter Framer Interface Timing Diagram
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
DD
= 3.3V ±5%, T
TCLK (INVERTED)
sampled on the falling edge of TCLK.
RNEG/RLCV are updated on the rising edge of RCLK.
TCLK (NORMAL)
TPOS/TDAT,
PARAMETER
TNEG
A
= -40°C to +85°C.)
IL
(max) and V
t8
DS3151/DS3152/DS3153/DS3154 Single/Dual/Triple/Quad DS3/E3/STS-1 LIUs
IH
(min).
(Figure 13-1
t2
t2/t1, t3/t1
t2/t1, t3/t1
t2/t1, t3/t1
SYMBOL
OL
t1
t4
t5
t6
t7
t8
(max) and V
t4
and
38 of 61
t1
Figure
(Note 4)
(Note 5)
(Note 6)
(Notes 7, 8)
(Note 8)
(Note 8)
(Notes 8, 9)
(Notes 8, 9)
(Notes 7, 8, 10)
(Notes 8, 11)
(Notes 8, 12)
OH
CONDITIONS
t5
(min).
13-2)
t3
MIN
45
30
30
2
2
2
TYP
22.4
29.1
19.3
50
5
MAX
55
70
70
6
5
UNITS
ns
ns
ns
ns
ns
ns
%
%
%