参数资料
型号: TMX320LF2403AVFS
厂商: Texas Instruments, Inc.
元件分类: 数字信号处理
英文描述: DSP CONTROLLERS
中文描述: DSP控制器
文件页数: 134/134页
文件大小: 1759K
代理商: TMX320LF2403AVFS
TMS320LF2407A,TMS320LF2406A, TMS320LF2403A, TMS320LF2402A
TMS320LC2406A, TMS320LC2404A, TMS320LC2403A, TMS320LC2402A
DSP CONTROLLERS
SPRS145K JULY 2000 REVISED AUGUST 2005
99
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
external memory interface read timing
switching characteristics over recommended operating conditions for an external memory
interface read at 40 MHz [H = 0.5tc(CO)] (see Figure 45)
PARAMETER
MIN
MAX
UNIT
td(COL-CNTL)
Delay time, CLKOUT low to control valid
4
ns
td(COL-CNTH)
Delay time, CLKOUT low to control inactive
5
ns
td(COL-A)RD
Delay time, CLKOUT low to address valid
8
ns
td(COH-RDL)
Delay time, CLKOUT high to RD strobe active
5
ns
td(COL-RDH)
Delay time, CLKOUT low to RD strobe inactive high
8
1
ns
td(COL-SL)
Delay time, CLKOUT low to STRB strobe active low
5
ns
td(COL-SH)
Delay time, CLKOUT low to STRB strobe inactive high
6
ns
td(WRN)
Delay time, W/R going low to R/W rising
5
ns
th(A)COL
Hold time, address valid after CLKOUT low
2
ns
tsu(A)RD
Setup time, address valid before RD strobe active low
H 7
ns
th(A)RD
Hold time, address valid after RD strobe inactive high
0
ns
timing requirements [H = 0.5tc(CO)] (see Figure 45)
MIN
MAX
UNIT
ta(A)
Access time, read data from address valid
2H 10
ns
ta(RD)
Access time, read data from RD low
H 7
ns
tsu(D)RD
Setup time, read data before RD strobe inactive high
8
ns
th(D)RD
Hold time, read data after RD strobe inactive high
0
ns
th(AIV-D)
Hold time, read data after address invalid
0
ns
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