参数资料
型号: SM320C30HFGM50
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 32-BIT, 50 MHz, OTHER DSP, CQFP196
封装: NONCONDUCTIVE TIE BAR, CERAMIC, QFP-196
文件页数: 14/48页
文件大小: 874K
代理商: SM320C30HFGM50
SMJ320C30
DIGITAL SIGNAL PROCESSOR
SGUS014H -- FEBRUARY 1991 -- REVISED JUNE 2004
21
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251--1443
memory read/write timing (continued)
The following table defines memory write timing parameters for IOSTRB.
timing parameters for a memory (IOSTRB = 0) write (see Figure 13)
NO
320C30-40
320C30-50
UNIT
NO.
MIN
MAX
MIN
MAX
UNIT
27
td(H1H-IOSL)
Delay time, H1 high to IOSTRB low
0*
9
0*
8
ns
28
td(H1H-IOSH)
Delay time, H1 high to IOSTRB high
0*
9
0*
8
ns
29
td[H1L-(X)RWH]
Delay time, H1 low to (X)R/W high
0*
9
0*
8
ns
30
td[H1L-(X)A]
Delay time, H1 low to (X)A valid
0*
9
0*
8
ns
33
tsu[(X)RDY-H1H]
Setup time, (X)RDY before H1 high
9
8
ns
34
th[H1H-(X)RDY]
Hold time, (X)RDY after H1 high
0
ns
35
td(H1L-XRWL)
Delay time, H1 low to XR/W low
0*
13
0*
11
ns
36
tv[H1H(X)D]W
Valid time, (X)D after H1 high
25
20
ns
37
th[H1L-(X)D]W
Hold time, (X)D after H1 low
0
ns
Numbers in this column match those used in Figure 13.
* This parameter is not production tested.
H3
H1
(X)R/W
(X)A
(X)D
(X)RDY
IOSTRB
27
28
33
34
36
37
29
30
35
Figure 13. Timing for Memory (IOSTRB =0)Write
相关PDF资料
PDF描述
SM320C31GFM27 32-BIT, 27 MHz, OTHER DSP, CPGA141
SM320C30HUM25 32-BIT, 25 MHz, OTHER DSP, CQFP196
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SM320C30HFGM25 32-BIT, 25 MHz, OTHER DSP, CQFP196
SM320C30HFGM28 32-BIT, 28 MHz, OTHER DSP, CQFP196
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