參數(shù)資料
型號: SM320C30HFGM50
廠商: TEXAS INSTRUMENTS INC
元件分類: 數(shù)字信號處理
英文描述: 32-BIT, 50 MHz, OTHER DSP, CQFP196
封裝: NONCONDUCTIVE TIE BAR, CERAMIC, QFP-196
文件頁數(shù): 7/48頁
文件大小: 874K
代理商: SM320C30HFGM50
SMJ320C30
DIGITAL SIGNAL PROCESSOR
SGUS014H -- FEBRUARY 1991 -- REVISED JUNE 2004
15
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251--1443
X2/CLKIN, H1, and H3 timing
The following table defines the timing parameters for the X2/CLKIN, H1, and H3 interface signals. See the
RESET timing in Figure 20 for CLKIN to H1 and H3 delay specification.
timing parameters for X2/CLKIN, H1, H3 (see Note 5, Figure 7, Figure 8, and Figure 9)
NO
320C30-40
320C30-50
UNIT
NO.
MIN
MAX
MIN
MAX
UNIT
1
tf(CI)
Fall time, CLKIN
5*
ns
2
tw(CIL)
Pulse duration, CLKIN low, tc(CI) = MIN (see Note 9)
9
7
ns
3
tw(CIH)
Pulse duration, CLKIN high, tc(CI) = MIN (see Note 9)
9
7
ns
4
tr(CI)
Rise time, CLKIN
5*
ns
5
tc(CI)
Cycle time, CLKIN
25
303
20
303
ns
6
tf(H)
Fall time, H1/H3
3
ns
7
tw(HL)
Pulse duration, H1/H3 low (see Note 10)
P--5
ns
8
tw(HH)
Pulse duration, H1/H3 high (see Note 10)
P--6
ns
9
tr(H)
Rise time, H1/H3
3
ns
9.1
td(HL-HH)
Delay time, from H1 low to H3 high or from H3 low to H1 high
0
4
0
4
ns
10
tc(H)
Cycle time, H1/H3
50
606
40
606
ns
Numbers in this column match those used in Figure 7, Figure 8, and Figure 9.
* This parameter is not production tested.
NOTES: 5. All input and output voltage levels are TTL compatible.
9. Rise and fall times, assuming a 35 -- 65% duty cycle, are incorporated within this specification (see Figure 6).
10. P = tc(CI)
1
4
X2/CLKIN
(1.5 V)
5
3
2
Figure 7. X2/CLKIN Timing
相關PDF資料
PDF描述
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