參數(shù)資料
型號: 5082-7623-BE200
英文描述: 7.6 mm (0.3 inch)/10.9 mm (0.43 inch) Seven Segment Displays
中文描述: 7.6毫米(0.3英寸)/10.9毫米(0.43英寸),七段顯示器
文件頁數(shù): 101/134頁
文件大?。?/td> 1759K
代理商: 5082-7623-BE200
TMS320LF2407A, TMS320LF2406A, TMS320LF2403A, TMS320LF2402A
TMS320LC2406A, TMS320LC2404A, TMS320LC2403A, TMS320LC2402A
DSP CONTROLLERS
SPRS145K
JULY 2000
REVISED AUGUST 2005
101
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
external memory interface
write
timing
switching characteristics over recommended operating conditions for an external memory
interface write at 40 MHz [H = 0.5t
c(CO)
] (see Figure 46)
PARAMETER
MIN
MAX
UNIT
t
d(COH-CNTL)
t
d(COH-CNTH)
Delay time, CLKOUT high to control valid
4
ns
Delay time, CLKOUT high to control inactive
5
ns
t
d(COH-A)W
t
d(COH-RWL)
Delay time, CLKOUT high to address valid
10
ns
Delay time, CLKOUT high to R/W low
6
ns
t
d(COH-RWH)
Delay time, CLKOUT high to R/W high
6
ns
t
d(COL-WL)
Delay time, CLKOUT low to WE strobe active low
6
ns
t
d(COL-WH)
Delay time, CLKOUT low to WE strobe inactive high
6
ns
t
en(D)COL
Enable time, data bus driven from CLKOUT low
3
ns
t
d(COL-SL)
Delay time, CLKOUT low to STRB active low
6
ns
t
d(COL-SH)
Delay time, CLKOUT low to STRB inactive high
6
ns
t
d(WRN)
Delay time, W/R going low to R/W rising
5
ns
t
h(A)COLW
t
su(A)W
Hold time, address valid after CLKOUT low
5
ns
Setup time, address valid before WE strobe active low
H
9
ns
t
su(D)W
t
h(D)W
Setup time, write data before WE strobe inactive high
2H
17
ns
Hold time, write data after WE strobe inactive high
2
ns
t
dis(W-D)
Disable time, data bus high impedance from WE high
5
ns
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