DS3251+ Maxim Integrated Products, DS3251+ Datasheet - Page 10
![IC LIU DS3/E3/STS-1 144-CSBGA](/photos/6/82/68286/144-csbga_pkg_sml.jpg)
DS3251+
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
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Figure 4-2. External Connections, Internal Termination Disabled
Shorthand Notations. The notation “DS325xx” throughout this data sheet refers to either the DS32506, DS32508,
or DS32512. This data sheet is the specification for all three devices. The LIUs on the DS325xx devices are
identical. For brevity, this document uses the pin name and register name shorthand “NAMEn,” where “n” stands in
place of the LIU port number. For example, on the DS32506, TCLKn is shorthand notation for pins TCLK1, TCLK2,
TCLK3, TCLK4, TCLK5 and TCLK6 on LIU ports 1, 2, 3, 4, 5 and 6, respectively. This document also uses generic
pin and register names such as TCLK (without a number suffix) when describing LIU operation. When working with
a specific LIU on the DS325xx devices, generic names like TCLK should be converted to actual pin names, such
as TCLK1.
1:1
1:1
38.3Ω
38.3Ω
42.2Ω
42.2Ω
(1%)
(1%)
(1%)
(1%)
0.05µF
0.05µF
10 of 130
TXP
TXP
TXN
TXN
RXN
RXP
RVDD
TVDD
JVDD
RVSS
TVSS
JVSS
0.01µF
0.01µF
0.01µF
0.1µF
0.1µF
0.1µF
DS32506/DS32508/DS32512
1µF
1µF
1µF
GROUND
PLANE
1.8V
POWER
PLANE
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