參數(shù)資料
型號(hào): ADSP-TS203SABP-050
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號(hào)處理
英文描述: 500 MHz TigerSHARC Processor with 4 Mbit on-chip embedded DRAM; Package: 576 ball SBGA; No of Pins: 576; Temperature Range: Ind
中文描述: 32-BIT, 125 MHz, OTHER DSP, PBGA576
封裝: 25 X 25 MM, MS-034, BGA-576
文件頁(yè)數(shù): 17/48頁(yè)
文件大?。?/td> 2017K
代理商: ADSP-TS203SABP-050
Rev. C
|
Page 24 of 48
|
December 2006
ADSP-TS203S
Table 23. Reference Clocks—System Clock (SCLK) Cycle Time
Parameter
Description
SCLKRAT = 4
×, 6×, 8×, 10×, 12×
SCLKRAT = 5
×, 7×
Unit
Min
Max
Min
Max
tSCLK
1, 2, 3
System Clock Cycle Time
8
50
8
50
ns
tSCLKH
System Clock Cycle High Time
0.40
× tSCLK
0.60
× tSCLK
0.45
× tSCLK
0.55
× tSCLK
ns
tSCLKL
System Clock Cycle Low Time
0.40
× tSCLK
0.60
× tSCLK
0.45
× tSCLK
0.55
× tSCLK
ns
tSCLKF
System Clock Transition Time—Falling Edge4
1.5
ns
tSCLKR
System Clock Transition Time—Rising Edge
1.5
ns
tSCLKJ
5, 6
System Clock Jitter Tolerance
500
ps
1 For more information, see Table 3 on Page 12.
3 The value of (tSCLK / SCLKRAT2-0) must not violate the specification for tCCLK.
4 System clock transition times apply to minimum SCLK cycle time (tSCLK) only.
5 Actual input jitter should be combined with ac specifications for accurate timing analysis.
6 Jitter specification is maximum peak-to-peak time interval error (TIE) jitter.
Figure 10. Reference Clocks—System Clock (SCLK) Cycle Time
Table 24. Reference Clocks—JTAG Test Clock (TCK) Cycle Time
Parameter
Description
Min
Max
Unit
tTCK
Test Clock (JTAG) Cycle Time
Greater of 30 or tCCLK
× 4ns
tTCKH
Test Clock (JTAG) Cycle High Time
12
ns
tTCKL
Test Clock (JTAG) Cycle Low Time
12
ns
Figure 11. Reference Clocks—JTAG Test Clock (TCK) Cycle Time
SCLK
tSCLK
tSCLKH
tSCLKL
tSCLKJ
tSCLKF
tSCLKR
TCK
tTCK
tTCKH
tTCKL
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