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      參數(shù)資料
      型號: MPC8377CVRAGDA
      廠商: Freescale Semiconductor
      文件頁數(shù): 60/127頁
      文件大?。?/td> 0K
      描述: MPU POWERQUICC II 400MHZ 689PBGA
      標(biāo)準(zhǔn)包裝: 27
      系列: MPC83xx
      處理器類型: 32-位 MPC83xx PowerQUICC II Pro
      速度: 400MHz
      電壓: 1V
      安裝類型: 表面貼裝
      封裝/外殼: 689-BBGA 裸露焊盤
      供應(yīng)商設(shè)備封裝: 689-TEPBGA II(31x31)
      包裝: 托盤
      MPC8377E PowerQUICC II Pro Processor Hardware Specifications, Rev. 8
      38
      Freescale Semiconductor
      This table describes the general timing parameters of the local bus interface of the device when in PLL
      bypass mode.
      This figure provides the AC test load for the local bus.
      Figure 19. Local Bus AC Test Load
      Table 40. Local Bus General Timing Parameters—PLL Bypass Mode
      Parameter
      Symbol1
      Min
      Max
      Unit
      Note
      Local bus cycle time
      tLBK
      15
      ns
      Input setup to local bus clock
      tLBIVKH
      7.0
      ns
      Input hold from local bus clock
      tLBIXKH
      1.0
      ns
      LALE output fall to LAD output transition (LATCH hold time)
      tLBOTOT1
      1.5
      ns
      LALE output fall to LAD output transition (LATCH hold time)
      tLBOTOT2
      3.0
      ns
      LALE output fall to LAD output transition (LATCH hold time)
      tLBOTOT3
      2.5
      ns
      Local bus clock to LALE rise
      tLBKHLR
      —4.5
      ns
      Local bus clock to output valid
      tLBKHOV
      —3.0
      ns
      Local bus clock to output high impedance for LAD/LDP
      tLBKHOZ
      4.0
      ns
      Notes:
      1. The symbols used for timing specifications herein follow the pattern of t(First two letters of functional block)(signal)(state)
      (reference)(state) for inputs and t(First two letters of functional block)(reference)(state)(signal)(state) for outputs. For example, tLBIXKH1
      symbolizes local bus timing (LB) for the input (I) to go invalid (X) with respect to the time the tLBK clock reference (K) goes
      high (H), in this case for clock one(1). Also, tLBKHOX symbolizes local bus timing (LB) for the tLBK clock reference (K) to go
      high (H), with respect to the output (O) going invalid (X) or output hold time.
      2. All timings are in reference to falling edge of LCLK0 (for all outputs and for LGTA and LUPWAIT inputs) or rising edge of
      LCLK0 (for all other inputs).
      3. All signals are measured from LBVDD/2 of the rising/falling edge of LCLK0 to 0.4 × LBVDD of the signal in question for 3.3-V
      signaling levels.
      4. Input timings are measured at the pin.
      5. tLBOTOT1 should be used when LBCR[AHD] is set and the load on LALE output pin is at least 10pF less than the load on
      LAD output pins.
      6. tLBOTOT2 should be used when LBCR[AHD] is not set and the load on LALE output pin is at least 10pF less than the load
      on LAD output pins.
      7. tLBOTOT3 should be used when LBCR[AHD] is not set and the load on LALE output pin equals to the load on LAD output pins.
      8. For purposes of active/float timing measurements, the Hi-Z or off state is defined to be when the total current delivered
      through the component pin is less than or equal to the leakage current specification.
      Output
      Z0 = 50 Ω
      OVDD/2
      RL = 50 Ω
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      MPC8377CVRAGFA 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications
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