参数资料
型号: SMJ320C40TABM40/10
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 32-BIT, 40 MHz, OTHER DSP, UUC325
封装: TAB-325
文件页数: 30/64页
文件大小: 1155K
代理商: SMJ320C40TABM40/10
SMJ320C40, TMP320C40
DIGITAL SIGNAL PROCESSORS
SGUS017H OCTOBER 1993 REVISED OCTOBER 2001
36
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
timing parameters for X2/CLKIN, H1, H3 (see Figure 8 and Figure 9)
NO.
320C40-40
320C40-50
320C40-60
UNIT
NO.
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
1
tf(CI)
Fall time, CLKIN
5*
ns
2
tw(CIL)
Pulse duration, CLKIN low, tc(CI) = min
8.5
7
5
ns
3
tw(CIH)
Pulse duration, CLKIN high, tc(CI) = min
8.5
7
5
ns
4
tr(CI)
Rise time, CLKIN
5*
ns
5
tc(CI)
Cycle time, CLKIN
25
242.5
20
242.5
16.67
242.5
ns
6
tf(H)
Fall time, H1/H3
3*
ns
7
tw(HL)
Pulse duration, H1/H3 low
tc(Cl) 6 tc(Cl) +6 tc(Cl) 6 tc(Cl) +6 tc(Cl) 6 tc(Cl) +6
ns
8
tw(HH)
Pulse duration, H1/H3 high
tc(Cl) 6 tc(Cl) +6 tc(Cl) 6 tc(Cl) +6 tc(Cl) 6 tc(Cl) +6
ns
9
tr(H)
Rise time, H1/H3
4*
ns
9.1
td(HL-HH)
Delay time, from H1 low to H3 high or
from H3 low to H1 high
1
4
1
4
1
4
ns
10
tc(H)
Cycle time, H1/H3
50
485
40
485
33.3
485
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
1
4
X2/CLKIN
5
2
3
Figure 8. X2/CLKIN Timing
H3
H1
6
9
9.1
6
9
10
8
7
8
10
Figure 9. H1/H3 Timings
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