參數(shù)資料
型號: TMX320C6414TGLZ
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: FIXED-POINT DIGITAL SIGNAL PROCESSORS
中文描述: 定點數(shù)字信號處理器
文件頁數(shù): 81/140頁
文件大?。?/td> 2033K
代理商: TMX320C6414TGLZ
SPRS226H NOVEMBER 2003 REVISED AUGUST 2005
81
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
timing requirements for CLKIN for -850 devices
§
(see Figure 16)
850
NO.
PLL MODE x20
PLL MODE x12
PLL MODE x6
x1 (BYPASS)
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
1
tc(CLKIN)
tw(CLKINH)
tw(CLKINL)
tt(CLKIN)
tJ(CLKIN)
Cycle time, CLKIN
23.5
40
14
23.8
13.3
23.8
0
10
ns
2
Pulse duration, CLKIN high
0.4C
0.4C
0.4C
0.45C
ns
3
Pulse duration, CLKIN low
0.4C
0.4C
0.4C
0.45C
ns
4
Transition time, CLKIN
5
5
5
1
ns
5
Period jitter, CLKIN
0.02C
0.02C
0.02C
0.02C
ns
The reference points for the rise and fall transitions are measured at VIL MAX and VIH MIN.
For more details on the PLL multiplier factors (x6, x12, x20), see the
Clock PLL
section of this data sheet.
§C = CLKIN cycle time in ns. For example, when CLKIN frequency is 50 MHz, use C = 20 ns.
timing requirements for CLKIN for -1G devices
§
(see Figure 16)
1G
NO.
PLL MODE x20
MIN
PLL MODE x12
MIN
PLL MODE x6
MIN
x1 (BYPASS)
MIN
UNIT
MAX
MAX
MAX
MAX
1
tc(CLKIN)
tw(CLKINH)
tw(CLKINL)
tt(CLKIN)
tJ(CLKIN)
Cycle time, CLKIN
20
40
13.3
23.8
13.3
23.8
0
10
ns
2
Pulse duration, CLKIN high
0.4C
0.4C
0.4C
0.45C
ns
3
Pulse duration, CLKIN low
0.4C
0.4C
0.4C
0.45C
ns
4
Transition time, CLKIN
5
5
5
1
ns
5
Period jitter, CLKIN
0.02C
0.02C
0.02C
0.02C
ns
The reference points for the rise and fall transitions are measured at VIL MAX and VIH MIN.
For more details on the PLL multiplier factors (x6, x12, x20), see the
Clock PLL
section of this data sheet.
§C = CLKIN cycle time in ns. For example, when CLKIN frequency is 50 MHz, use C = 20 ns.
CLKIN
2
3
4
4
5
1
Figure 16. CLKIN Timing
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