參數(shù)資料
型號(hào): PSF21911
廠商: SIEMENS A G
元件分類: 數(shù)字傳輸電路
英文描述: ISDN Echocancellation Circuit for Terminal Applications IEC-Q TE
中文描述: DATACOM, ISDN ECHO CANCELLER
文件頁數(shù): 9/164頁
文件大?。?/td> 1401K
代理商: PSF21911
P-LCC-44
T-QFP-64
ISDN Echocancellation Circuit for Terminal
Applications
IEC-Q TE
PSB 21911
Semiconductor Group
9
11.97
Version 5.2
CMOS
1.1
Features
ISDN U-transceiver with IOM-2 and optional micro-
processor interface
Compatible to NT modes and TE mode of
PEB 2091 IEC-Q V5.1
Perfectly suited for terminal and TA applications
U-interface (2B1Q) conform to ANSI T1.601, ETSI
ETR 080 and CNET ST/LAA/ELR/DNP/822:
– Meets all transmission requirements on all ANSI,
ETSI and CNET loops with margin
– Conform to British Telecom’s RC7355E
– Compliant with ETSI 10ms micro interruptions
IOM-2 interface for connection of e.g. ISAC-S,
SICOFI-2/4TE, ARCOFI, ITAC, HSCX-TE, ISAR,
IPAC, 3PAC
Pin compatible to version 4.4 in the P-LCC-44
package
In μP mode:
Parallel or serial microprocessor interface and watchdog
μP access to B-channels, D-channel and intercommunication channels
μP access to IOM-2 Monitor-channels and C/I-channels
Adjustable microcontroller clock source between 0.96MHz and 7.68MHz
Selection between Bit clock (BCL) and Data clock (DCL)
Supports synchronization of basestations in cordless applications (e.g. RITL)
Supports D-channel arbitration with ELIC linecard (e.g. PBX)
In all modes:
Single 5 Volt power supply
Low power CMOS technology with power down mode
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PDF描述
PSB21911 ISDN Echocancellation Circuit for Terminal Applications IEC-Q TE
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