參數(shù)資料
型號： DS21FF42+
廠商： Maxim Integrated Products
文件頁數(shù)： 23/114頁
文件大?。?/td> 0K
描述： IC FRAMER T1 4X4 16CH 300-BGA
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 40
控制器類型： T1 調(diào)幀器
接口： 并行/串行
電源電壓： 2.97 V ~ 3.63 V
電流 - 電源： 300mA
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 300-BBGA
供應(yīng)商設(shè)備封裝： 300-PBGA（27x27）
包裝： 管件
DS21FT42/DS21FF42
16 of 114
NEW FEATURES
§ Additional hardware signaling capability including:
– Receive signaling re-insertion to a backplane multiframe sync
– Availability of signaling in a separate PCM data stream
– Signaling freezing
– Interrupt generated on change of signaling data
§ Full HDLC controller with 64–byte buffers in both transmit and receive paths. Configurable for FDL
or DS0 access
§ Per–channel code insertion in both transmit and receive paths
§ Ability to monitor one DS0 channel in both the transmit and receive paths
§ RCL, RLOS, RRA, and RAIS alarms now interrupt on change of state
§ Detects AIS-CI
§ 8.192 MHz clock synthesizer
§ Per–channel loopback
§ Ability to calculate and check CRC6 according to the Japanese standard
§ Ability to pass the F–Bit position through the elastic stores in the 2.048 MHz backplane mode
§ IEEE 1149.1 support
§ FEATURES
§ Four T1 DS1/ISDN–PRI/J1 framing transceivers
§ All four framers are fully independent
§ Frames to D4, ESF, and SLC–96 R formats
§ Each of the four framers contain dual two–frame elastic store slip buffers that can connect to
asynchronous backplanes up to 8.192 MHz
§ 8–bit parallel control port that can be used directly on either multiplexed or non–multiplexed buses
(Intel or Motorola)
§ Extracts and inserts robbed bit signaling
§ Detects and generates yellow (RAI) and blue (AIS) alarms
§ Programmable output clocks for Fractional T1
§ Fully independent transmit and receive functionality
§ Generates and detects in–band loop codes from 1 to 8 bits in length including CSU loop codes
§ Contains ANSI one’s density monitor and enforcer
§ Large path and line error counters including BPV, CV, CRC6, and framing bit errors
§ Pin compatible with DS21Q44 E1 Enhanced Quad E1 Framer
§ 3.3V supply with 5V tolerant I/O; low power CMOS
§ Available in 128–pin TQFP package
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21FF42+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 4x4 16/4x3 12 Chnl T1/T1 Framer RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21FF42N 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21FF42N+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 4x4 16/4x3 12 Chnl T1/T1 Framer RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21FF44 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 4x4 16/4x3 12 Chnl E1/E1 Framer RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21FF44N 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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