クロック用マルチプレクサは、複数の入力のうち1つを選択して次段に出力するために使用します。Renesasは、マルチプレクサとしての機能だけでなく、クロック分周器やファンアウトバッファの機能も備えた複数種のクロック用マルチプレクサを提供しています。それらを使用すれば、クロックツリーにおける部品の数を削減できるほか、多くのケースで性能を向上させることが可能になります。

クロック&タイミング

セレクションテーブル

    Processing table
    型名
    Function
    Outputs (#)
    Output Type
    Output Freq Range (MHz)
    Input Freq (MHz)
    Inputs (#)
    Input Type
    Output Banks (#)
    Core Voltage (V)
    Output Voltage (V)
    Divider Value
    Output Skew (ps)
    Additive Phase Jitter Typ RMS (fs)
    105°C Max. Case Temp.
    5P1103
    Programmable Fanout Buffer    		 Buffer, Multiplexer 3 HCSL, LVCMOS, LVDS, LVPECL 1 - 350 1 - 350 2 Crystal, HCSL, LVCMOS, LVDS, LVPECL 3 1.8, 2.5, 3.3 1.8, 2.5, 3.3 35
    5P1105
    Programmable Fanout Buffer    		 Buffer, Multiplexer 5 HCSL, LVCMOS, LVDS, LVPECL 1 - 350 1 - 350 2 Crystal, HCSL, LVCMOS, LVDS, LVPECL 5 1.8, 2.5, 3.3 1.8, 2.5, 3.3 35
    850S1201I
    12:1 Single-Ended Multiplexer    		 Multiplexer 1 LVCMOS 0 - 250 0 - 250 12 LVCMOS 1 2.5, 3.3 2.5, 3.3 350
    853S012I
    12:1 Differential-to-3.3V,2.5V LVPECL Clock/Data Multiplexer    		 Multiplexer 1 LVPECL 0 - 3200 0 - 3200 12 CML, LVDS, LVPECL 1 2.5, 3.3 2.5, 3.3 144
    853S014I
    Low Skew,1-to-5 Differential-to-2.5V,3.3V LVPECL/ECL Fanout Buffer    		 Buffer, Multiplexer 5 LVPECL 0 - 2000 0 - 2000 2 CML, LVDS, LVPECL, SSTL 1 2.5, 3.3 2.5, 3.3 55 100
    853S01I
    2:1 Differential-to-LVPECL Multiplexer    		 Multiplexer 1 LVPECL 0 - 2500 0 - 2500 2 LVDS, LVPECL 1 2.5, 3.3 2.5, 3.3 24
    853S057I
    4:1 Differential-to-3.3V, 2.5V LVPECL / ECL Clock Multiplexer    		 Multiplexer 1 LVPECL 0 - 3000 0 - 3000 4 CML, LVDS, LVPECL, SSTL 1 2.5, 3.3 2.5, 3.3 73
    853S111BI
    Low Skew, 1-to-10 Differential-to-2.5V, 3.3V LVPECL / ECL Fanout Buffer    		 Buffer, Multiplexer 10 LVPECL 0 - 2500 0 - 2500 2 LVDS, LVPECL, SSTL 1 2.5, 3.3 2.5, 3.3 50 30
    854S01I
    2:1 Differential-to-LVDS Multiplexer    		 Multiplexer 1 LVDS 0 - 2500 0 - 2500 2 LVDS, LVPECL 1 3.3 3.3 60
    854S054I
    4:1 Differential-to-LVDS Clock Multiplexer    		 Multiplexer 1 LVDS 0 - 2500 0 - 2500 4 CML, LVDS, LVPECL 1 3.135 3.3 147
    854S058I
    8:1 Differential-to-LVDS Clock Multiplexer    		 Multiplexer 1 LVDS 0 - 2500 0 - 2500 8 LVDS, LVPECL, SSTL 1 3.3 3.3 65
    8L30110
    Crystal or Differential to LVCMOS/ LVTTL Clock Buffer    		 Buffer, Multiplexer 10 LVCMOS 0 - 200 0 - 200 3 Crystal, HCSL, LVCMOS, LVDS, LVPECL 1 2.5, 3.3 1.5, 1.8, 2.5, 3.3 63 22
    8L30205
    Crystal or Differential to LVCMOS/ LVTTL Clock Buffer    		 Buffer, Multiplexer 5 LVCMOS 0 - 200 0 - 200 2 Crystal, HCSL, LVCMOS, LVDS, LVPECL 2 2.5, 3.3 1.5, 1.8, 2.5, 3.3 30 30
    8L30210
    Crystal or Differential to LVCMOS/ LVTTL Clock Buffer    		 Buffer, Multiplexer 10 LVCMOS 0 - 200 0 - 200 3 Crystal, HCSL, LVCMOS, LVDS, LVPECL 2 2.5, 3.3 1.5, 1.8, 2.5, 3.3 30 30
    8P34S1204
    2:4 LVDS 1.8V / 2.5V Fanout Buffer for 1PPS and High-Speed Clocks    		 Buffer, Multiplexer 4 LVDS 0 - 1200 0 - 1200 2 CML, LVDS, LVPECL 1 1.8 1.8 14 42
    8P34S1208
    2:8 LVDS 1.8V / 2.5V Fanout Buffer for 1PPS and High-Speed Clocks    		 Buffer, Multiplexer 8 LVDS 0 - 1200 0 - 1200 2 CML, LVDS, LVPECL 1 1.8 1.8 20 41
    8P34S1212
    2:12 LVDS 1.8V / 2.5V Fanout Buffer for 1PPS and High-Speed Clocks    		 Buffer, Multiplexer 12 LVDS 0 - 1200 0 - 1200 2 CML, LVDS, LVPECL 1 1.8 1.8 12 73
    8SLVD1204
    2:4, LVDS Output Fanout Buffer, 2.5V    		 Buffer, Multiplexer 4 LVDS 0 - 2000 0 - 2000 2 LVDS, LVPECL 1 2.5 2.5 20 95
    8SLVD1204-33I
    2:4, LVDS Output Fanout Buffer, 3.3 V    		 Buffer, Multiplexer 4 LVDS 0 - 2000 0 - 2000 2 LVDS, LVPECL 1 3.3 3.3 20 95
    8SLVP1204
    2:4 LVPECL Output Fanout Buffer    		 Buffer, Multiplexer 4 LVPECL 0 - 2000 0 - 2000 2 CML, LVDS, LVPECL 1 2.5, 3.3 2.5, 3.3 64 32 Yes
    8SLVP1208
    2:8,LVPECL Output Fanout Buffer    		 Buffer, Multiplexer 8 LVPECL 0 - 2000 0 - 2000 2 CML, LVDS, LVPECL 1 2.5, 3.3 2.5, 3.3 64 31.1
    8SLVP1212I
    2:12,3.3V,2.5V LVPECL Fanout Buffer    		 Buffer, Multiplexer 12 LVPECL 0 - 2000 0 - 2000 2 CML, LVDS, LVPECL 1 2.5, 3.3 2.5, 3.3 15 45
    8T39S11A
    水晶または差動間クロックファンアウトバッファ    		 Buffer, Multiplexer 10 HCSL, LVDS, LVPECL 0 - 250 0 - 250 3 Crystal, HCSL, LVDS, LVPECL 2 2.5, 3.3 2.5, 3.3 32 26
    9DML4493
    4:4 Clock MUX for PCI Express Gen1–6    		 Multiplexer 4 LP-HCSL 1 - 200 0.000001 - 350 4 HCSL 2 1.8, 2.5, 3.3 1.8, 2.5, 3.3 22 78
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    ドキュメント

    タイトル 分類 日付
    Clock Distribution Overview
    PDF217 KB
    概要