參數(shù)資料
型號: TMS320LF2407PGA
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: DSP CONTROLLERS
中文描述: DSP控制器
文件頁數(shù): 87/115頁
文件大?。?/td> 1511K
代理商: TMS320LF2407PGA
SPRS094I APRIL 1999 REVISED SEPTEMBER 2003
87
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
external memory interface
read
timings
switching characteristics over recommended operating conditions for an external memory
interface read at 30 MHz [H = 0.5t
c(CO)
] (see Figure 39)
PARAMETER
MIN
MAX
UNIT
td(COLCNTL)
Delay time, CLKOUT low to control valid
6
ns
td(COLCNTH)
Delay time, CLKOUT low to control inactive
6
ns
td(COLA)RD
Delay time, CLKOUT low to address valid
8
ns
td(COHRDL)
Delay time, CLKOUT high to RD strobe active
6
ns
td(COLRDH)
Delay time, CLKOUT low to RD strobe inactive high
8
1
ns
td(COLSL)
Delay time, CLKOUT low to STRB strobe active low
6
ns
td(COLSH)
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 39)
MIN
MAX
UNIT
ta(A)
Access time, read data from address valid
2H 1 3
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
10
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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