參數(shù)資料
型號: TMS320LF2402PGES
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): 89/115頁
文件大小: 1511K
代理商: TMS320LF2402PGES
SPRS094I APRIL 1999 REVISED SEPTEMBER 2003
89
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
external memory interface
write
timings
switching characteristics over recommended operating conditions for an external memory
interface write at 30 MHz [H = 0.5t
c(CO)
] (see Figure 40)
PARAMETER
MIN
MAX
UNIT
td(COHCNTL)
td(COHCNTH)
td(COHA)W
td(COHRWL)
Delay time, CLKOUT high to control valid
6
ns
Delay time, CLKOUT high to control inactive
6
ns
Delay time, CLKOUT high to address valid
10
ns
Delay time, CLKOUT high to R/W low
6
ns
td(COHRWH)
Delay time, CLKOUT high to R/W high
6
ns
td(COLWL)
Delay time, CLKOUT low to WE strobe active low
7
ns
td(COLWH)
Delay time, CLKOUT low to WE strobe inactive high
7
ns
td(WRN)
Delay time, W/R going low to R/W rising
5
ns
ten(D)COL
Enable time, data bus driven from CLKOUT low
3
ns
td(COLSL)
Delay time, CLKOUT low to STRB active low
6
ns
td(COLSH)
Delay time, CLKOUT low to STRB inactive high
6
ns
th(A)COLW
tsu(A)W
tsu(D)W
th(D)W
Hold time, address valid after CLKOUT low
5
ns
Setup time, address valid before WE strobe active low
H9
ns
Setup time, write data before WE strobe inactive high
2H17
ns
Hold time, write data after WE strobe inactive high
0
ns
tdis(W-D)
Disable time, data bus high impedance from WE high
5
ns
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