參數(shù)資料
型號(hào): TMS320LFC2407A
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號(hào)處理
英文描述: DSP CONTROLLERS
中文描述: DSP控制器
文件頁數(shù): 99/133頁
文件大?。?/td> 1672K
代理商: TMS320LFC2407A
SPRS145J JULY 2000 REVISED NOVEMBER 2004
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 = 0.5t
c(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 = 0.5t
c(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
th(D)RD
Setup time, read data before RD strobe inactive high
8
ns
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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