參數(shù)資料
型號(hào): MC56603APV60
廠(chǎng)商: FREESCALE SEMICONDUCTOR INC
元件分類(lèi): 數(shù)字信號(hào)處理
英文描述: 24-BIT, 60 MHz, OTHER DSP, PQFP144
封裝: PLASTIC, TQFP-144
文件頁(yè)數(shù): 26/97頁(yè)
文件大小: 1080K
代理商: MC56603APV60
2-4
DSP56603A Technical Data Sheet
MOTOROLA
DSP56603A
AC Electrical Characteristics
AC ELECTRICAL CHARACTERISTICS
The timing specifications in AC Electrical Characteristics are tested with a VIL
maximum of 0.3 V and a VIH minimum of 2.4 V for all pins except EXTAL, which is
tested using the input levels set forth in DC Electrical Characteristics. AC timing
specifications referenced to a device input signal are measured in production with
respect to the 50% point of the respective input signals transition. Timings specified
relative to a CLKOUT edge are measured with respect to the 50% point of the
applicable CLKOUT transition. Unless otherwise noted, all output timing edges are
measured with respect to the 50% point of the signal's transition.
Note:
Unless specifically noted otherwise, all references to CLKOUT edges assume
that the PLL is enabled. All timings except those that specifically relate to the
EXTAL input are tested or characterized with the PLL enabled.
AC Electrical CharacteristicsInternal Clock Operation
(VCC = 3.0 V ±0.3 V; TA = 40 to 85C, CL = 70 pF + 2 TTL Loads)
For each occurrence of TH, TL, TC, or ICYC, substitute the numbers given in Table 2-5.
(The terms Ef, ETH, ETL, and ETC are described in Table 2-6.)
Table 2-5
Internal Clocks
Characteristics
Symbol
Expression
Internal operation frequency with PLL enabled1, 2, 3
f
(Ef
MF)/(PDF D3)
Internal operation frequency with PLL disabled
f
Ef/2
Internal clock high period
With PLL disabled
With PLL enabled and MF
4
With PLL enabled and MF > 4
TH
ETC
(Min) 0.49
ETC PDF DF/MF
(Max) 0.51
ETC PDF DF/MF
(Min) 0.47
ETC PDF DF/MF
(Max) 0.53
ETC PDF DF/MF
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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