DS3251+ Maxim Integrated Products, DS3251+ Datasheet - Page 8

• 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

4. BLOCK DIAGRAMS
Figure 4-1. CPU Bus Mode Block Diagram
TXPn
TXNn
RXPn
RXNn
TDMn
VDD
VSS
PARALLEL INTERFACE
Configuration
CPU Bus
Interface
Global
Supply
and
Power
Analog
Local
Loopback
TTSn
Monitor
Driver
T3MCLK
Loopback Control
Automatic
Equalizer
Adaptive
Control
Gain
HIZ
RST
HW = 0
MOT
ALE
CS
WR / R/W
RD / DS
A[5:0]
D[7:0]
INT
E3MCLK
Adapter
+
ALOS
Clock
squelch
master clock
STMCLK
Recovery
Clock &
Data
TCLKn
SPI INTERFACE
MOT = 0, WR = 0, RD = 0, ALE = 1
Configuration
CPU Bus
Interface
Global
and
8 of 71
Digital
Local
Loopback
Remote
Loopback
HIZ
RST
HW = 0
CS
SCLK
SDI
SDO
CPHA
CPOL
INT
Encoder
B3ZS/HDB3
B3ZS/
HDB3
Digital LOS
Detector
Decoder
RLOSn
AIS, 100100…,
PRBS Pattern
Configuration
Generation
CPU Bus
Interface
Global
and
Detector
PRBS
Drivers,
Output
Clock
Invert
Clock
Invert
PRBSn
RTSn
RPOSn/RDATn
RNEGn/RLCVn
RCLKn
TPOSn/TDATn
TNEGn
TCLKn
CPU Bus I/O
(see detailed
views below)
Semiconductor
DS325x
Dallas