参数资料
型号: SMQ320C32PCMM50
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 24-BIT, 50 MHz, OTHER DSP, PQFP144
封装: PLASTIC, QFP-144
文件页数: 18/50页
文件大小: 674K
代理商: SMQ320C32PCMM50
SMQ320C32
DIGITAL SIGNAL PROCESSOR
SGUS027B – APRIL 1998 – REVISED MARCH 1999
25
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
memory-read-cycle timing using IOSTRB (see Figure 18)
NO
’320C32-50
’320C32-60
UNIT
NO.
MIN
MAX
MIN
MAX
UNIT
11.1
td(H3L-IOSL)
Delay time, H3 low to IOSTRB low
0*
9
0*
8
ns
12.1
td(H3L-IOSH)
Delay time, H3 low to IOSTRB high
0*
9
0*
8
ns
13.1
td(H1L-RWL)
Delay time, H1 low to R / W high
0*
9
0*
8
ns
14.1
td(H1L-A)
Delay time, H1 low to A valid
0*
9
0*
8
ns
15.1
tsu(D)R
Setup time, D before H1 high
10
9
ns
16.1
th(D)R
Hold time, D after H1 high
0
ns
17.1
tsu(RDY)
Setup time, RDY before H1 high
8
7
ns
18.1
th(RDY)
Hold time, RDY after H1 high
0
ns
* This parameter is not production tested.
H3
H1
R/W
A
D
RDY
IOSTRB
11.1
12.1
14.1
15.1
16.1
18.1
17.1
13.1
23
See Figure 19 and accompanying table
Figure 18. Memory-Read-Cycle Timing Using IOSTRB
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