參數(shù)資料
型號: SM320C6414DGADW60
廠商: TEXAS INSTRUMENTS INC
元件分類: 數(shù)字信號處理
英文描述: 64-BIT, 75 MHz, OTHER DSP, CPGA570
封裝: 33 X 33 MM, CERAMIC, FCPGA-570
文件頁數(shù): 115/134頁
文件大?。?/td> 1997K
代理商: SM320C6414DGADW60
SMJ320C6414, SMJ320C6415, SMJ320C6416
FIXEDPOINT DIGITAL SIGNAL PROCESSORS
SGUS050A JANUARY 2004 REVISED MARCH 2004
81
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
INPUT AND OUTPUT CLOCKS (CONTINUED)
switching characteristics over recommended operating conditions for CLKOUT4§
(see Figure 17)
NO.
PARAMETER
CLKMODE = x1, x6, x12
UNIT
NO.
PARAMETER
MIN
MAX
UNIT
1
tJ(CKO4)
Period jitter, CLKOUT4
0*
±175*
ps
2
tw(CKO4H)
Pulse duration, CLKOUT4 high
2P 0.7*
2P + 0.7*
ns
3
tw(CKO4L)
Pulse duration, CLKOUT4 low
2P 0.7*
2P + 0.7*
ns
4
tt(CKO4)
Transition time, CLKOUT4
1*
ns
*This parameter is not production tested.
The reference points for the rise and fall transitions are measured at VOL MAX and VOH MIN.
PH is the high period of CLKIN in ns and PL is the low period of CLKIN in ns.
§ P = 1/CPU clock frequency in nanoseconds (ns)
Ideal Clock Period
CLKOUT4
3
4
2
1
Figure 17. CLKOUT4 Timing
switching characteristics over recommended operating conditions for CLKOUT6§
(see Figure 18)
NO.
PARAMETER
CLKMODE = x1, x6, x12
UNIT
NO.
PARAMETER
MIN
MAX
UNIT
1
tJ(CKO6)
Period jitter, CLKOUT6
0*
±175*
ps
2
tw(CKO6H)
Pulse duration, CLKOUT6 high
3P 0.7*
3P + 0.7*
ns
3
tw(CKO6L)
Pulse duration, CLKOUT6 low
3P 0.7*
3P + 0.7*
ns
4
tt(CKO6)
Transition time, CLKOUT6
1*
ns
*This parameter is not production tested.
The reference points for the rise and fall transitions are measured at VOL MAX and VOH MIN.
PH is the high period of CLKIN in ns and PL is the low period of CLKIN in ns.
§ P = 1/CPU clock frequency in nanoseconds (ns)
Ideal Clock Period
CLKOUT6
2
3
4
1
Figure 18. CLKOUT6 Timing
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