DS2156L+ Maxim Integrated Products, DS2156L+ Datasheet - Page 29
![IC TXRX T1/E1/J1 1-CHIP 100-LQFP](/photos/6/82/68291/406-100-lqfp_sml.jpg)
DS2156L+
Manufacturer Part Number
DS2156L+
Description
IC TXRX T1/E1/J1 1-CHIP 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2156L.pdf
(265 pages)
Specifications of DS2156L+
Function
Single-Chip Transceiver
Interface
E1, J1, T1, TDM, UTOPIA II
Number Of Circuits
1
Voltage - Supply
3.14 V ~ 3.47 V
Current - Supply
75mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Includes
BERT Generator and Detector, CMI Coder and Decoder, HDLC Controller
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
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Signal Name:
Signal Description:
Signal Type:
Must be low to read or write to the device. CS is an active-low signal.
Signal Name:
Signal Description:
Signal Type:
In nonmultiplexed bus operation (MUX = 0), serves as the upper address bit. In multiplexed bus operation
(MUX = 1), serves to demultiplex the bus on a positive-going edge.
Signal Name:
Signal Description:
Signal Type:
WR is an active-low signal.
Signal Name:
Signal Description:
Signal Type:
Low to enable TDM backplane. High to enable UTOPIA backplane.
3.4
Signal Name:
Signal Description:
Signal Type:
Used to group two to eight DS2156s into a bus-sharing mode for alarm and status reporting. See Section 29 for
more details.
Signal Name:
Signal Description:
Signal Type:
Used to group two to eight DS2156s into a bus-sharing mode for alarm and status reporting. See Section 29 for
more details.
Signal Name:
Signal Description:
Signal Type:
Used to group two to eight DS2156s into a bus-sharing mode for alarm and status reporting. See Section 29 for
more details.
Extended System Information Bus
CS
Chip Select
Input
ALE(AS)/A7
Address Latch Enable (Address Strobe) or A7
Input
WR (R/W)
Write Input(Read/Write)
Input
TUSEL
TDM/UTOPIA Backplane Select
Input
ESIBS0
Extended System Information Bus Select 0
Input/Output
ESIBS1
Extended System Information Bus Select 1
Input/Output
ESIBRD
Extended System Information Bus Read
Input/Output
29 of 265
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