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: 13/48页
文件大小: 874K
代理商: SM320C30HFGM50
SMJ320C30
DIGITAL SIGNAL PROCESSOR
SGUS014H -- FEBRUARY 1991 -- REVISED JUNE 2004
20
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251--1443
memory read/write timing (continued)
The following table defines memory read timing parameters for IOSTRB.
timing parameters for a memory (IOSTRB = 0) read (see Figure 12)
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
31
tsu[(X)D-H1H]R
Setup time, (X)D before H1 high
13
11
ns
32
th[H1H-(X)D]R
Hold time, (X)D after H1 high
0*
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
Numbers in this column match those used in Figure 12.
* This parameter is not production tested.
H3
H1
(X)R/W
(X)A
(X)D
(X)RDY
IOSTRB
27
28
30
31
32
34
33
29
Figure 12. Timing for Memory (IOSTRB = 0) Read
相关PDF资料
PDF描述
SM320C31GFM27 32-BIT, 27 MHz, OTHER DSP, CPGA141
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