參數(shù)資料
型號(hào): ADSP-21469BBCZ-3
廠商: Analog Devices Inc
文件頁(yè)數(shù): 51/72頁(yè)
文件大?。?/td> 0K
描述: IC DSP 32/40BIT 400MHZ 324BGA
產(chǎn)品變化通告: Pin Function Change 08/Mar/2012
標(biāo)準(zhǔn)包裝: 1
系列: SHARC®
類(lèi)型: 浮點(diǎn)
接口: DAI,DPI,EBI/EMI,I²C,SCI,SPI,SSP,UART/USART
時(shí)鐘速率: 400MHz
非易失內(nèi)存: 外部
芯片上RAM: 5Mb
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.05V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 324-BGA,CSPBGA
供應(yīng)商設(shè)備封裝: 324-CSPBGA
包裝: 托盤(pán)
ADSP-21469
Rev. 0
|
Page 55 of 72
|
June 2010
Figure 40. MLB Timing (3-Pin Interface)
Table 53. MLB Interface, 5-Pin Specifications
Parameter
Min
Typ
Max
Unit
5-Pin Characteristics
tMLBCLK
MLB Clock Period
512 Fs
256 Fs
40
81
ns
tMCKL
MLBCLK Low Time
512 Fs
256 Fs
15
30
ns
tMCKH
MLBCLK High Time
512 Fs
256 Fs
15
30
ns
tMCKR
MLBCLK Rise Time (VIL to VIH)6
ns
tMCKF
MLBCLK Fall Time (VIH to VIL)6
ns
tMPWV
1
MLBCLK Pulse Width Variation
2
ns p-p
tDSMCF
2
DAT/SIG Input Setup Time
3
ns
tDHMCF
DAT/SIG Input Hold Time
5
ns
tMCDRV
DS/DO Output Data Delay From MLBCLK Rising Edge
8
ns
tMCRDL
3
DO/SO Low From MLBCLK High
512 Fs
256 Fs
10
20
ns
CMLB
DS/DO Pin Load
40
pf
1 Pulse width variation is measured at 1.25 V by triggering on one edge of MLBCLK and measuring the spread on the other edge, measured in nanoseconds peak-to-peak (ns p-p).
2 Gate delays due to OR'ing logic on the pins must be accounted for.
3 When a node is not driving valid data onto the bus, the MLBSO and MLBDO output lines shall remain low. If the output lines can float at anytime, including while in reset,
external pull-down resistors are required to keep the outputs from corrupting the MediaLB signal lines when not being driven.
tMCKH
MLBSIG/
MLBDAT
(Rx, Input)
tMCKL
tMCKR
MLBSIG/
MLBDAT
(Tx, Output)
tMCFDZ
tDSMCF
MLBCLK
tMLBCLK
VALID
tDHMCF
tMCKF
tMCDRV
VALID
tMDZH
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