參數(shù)資料
型號: MC56603APV60
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數(shù)字信號處理
英文描述: 24-BIT, 60 MHz, OTHER DSP, PQFP144
封裝: PLASTIC, TQFP-144
文件頁數(shù): 29/97頁
文件大?。?/td> 1080K
代理商: MC56603APV60
DSP56603A
AC Electrical Characteristics
MOTOROLA
DSP56603A Technical Data Sheet
2-7
AC Electrical CharacteristicsPhase Lock Loop (PLL) Characteristics
(VCC = 3.0 V ±0.3 V; TA = 40 to 85 C, CL = 70 pF + 2 TTL Loads)
Figure 2-2
External Clock Timing
Table 2-7
Phase Lock Loop Characteristics
Characteristics
Expression
Min
Max
Unit
VCO frequency when PLL enabled 1
MF
Ef 2 / PDF
30
120
MHz
PLL external capacitor (PCAP pin to VCCP)
MF
4
MF > 4
Cpcap 2
MF
425 125
MF
520
MF
590 175
MF
920
pF
Notes:
1.
The VCO output is further divided by 2 when PLL is enabled. If the Division Factor (DF) is 1, the
operating frequency is
.
2.
Cpcap is the value of the PLL capacitor (connected between PCAP pin and VCCP).
(The recommended value for Cpcap is (500
MF 150) pF for MF 4 and (690 MF) pF for MF > 4.)
ETH
ETL
ETC
CLKOUT with
PLL Disabled
CLKOUT with
PLL Enabled
EXTAL
Midpoint
VIHC
4
5
6
7
Note: The midpoint is 0.5 (VIHC + VILC).
VILC
3
2
AA1261
VCO
2
--------------
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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