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DS21Q58LN Datasheet

  • DS21Q58LN

  • E1 Quad Transceiver

  • 636.08KB

  • 74頁

  • DALLAS   DALLAS

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DS21Q58
E1 Quad Transceiver
www.maxim-ic.com
GENERAL DESCRIPTION
The DS21Q58 E1 quad transceiver contains all the
necessary functions for connecting to four E1 lines.
The DS21Q58 is a direct replacement for the
DS21Q50, with the addition of signaling access and
improved interrupt handling. It is composed of a line
interface unit (LIU), framer, and a TDM backplane
interface, and is controlled through an 8-bit parallel
port configured for Intel or Motorola bus operations or
serial port operation.
FEATURES
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Four Complete E1 (CEPT) PCM-30/ISDN-PRI
Transceivers
Pin Compatible with the DS21Q50 and DS21Q59
Short-Haul Line Interfaces
32-Bit or 128-Bit Crystal-Less Jitter Attenuator
Frames to FAS, CAS, and CRC4 Formats
CAS/CCS Signaling Support
4MHz/8MHz/16MHz Clock Synthesizer
Flexible System Clock with Automatic Source
Switching on Loss-of-Clock Source
Two-Frame Elastic-Store Slip Buffer on the
Receive Side
Interleaving PCM Bus Operation Up to
16.384MHz
Configurable Parallel and Serial Port Operation
Detects and Generates Remote and AIS Alarms
Fully Independent Transmit and Receive
Functionality
Four Separate Loopback Functions
PRBS Generation/Detection/Error Counting
3.3V Low-Power CMOS
Large Counters for Bipolar and Code Violations,
CRC4 Codeword Errors, FAS Word Errors, and
E Bits
Eight Additional User-Configurable Output Pins
100-Pin (14mm x 14mm) LQFP Package
APPLICATIONS
DSLAMs
Routers
IMA and WAN Equipment
PIN CONFIGURATION
TOP VIEW
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Dallas
Semiconductor
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DS21Q58
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100
1
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LQFP
ORDERING INFORMATION
PART
Go to
www.maxim-ic.com/telecom
for a complete list of
Telecommunications data sheets, evaluation kits, application
notes, and software downloads.
TEMP RANGE
0擄C to +70擄C
-40擄C to +85擄C
PIN-PACKAGE
100 LQFP
100 LQFP
DS21Q58L
DS21Q58LN
Note:
Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here:
www.maxim-ic.com/errata.
1 of 74
REV: 012104

DS21Q58LN 產(chǎn)品屬性

  • Maxim Integrated Products

  • Framer

  • 4

  • 230 mA

  • + 85 C

  • SMD/SMT

  • LQFP-100

  • - 40 C

  • 3.3 V

  • 3.465 V

  • 3.135 V

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