參數(shù)資料
型號: TMP320LC2404APGEA
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): 99/134頁
文件大?。?/td> 1759K
代理商: TMP320LC2404APGEA
TMS320LF2407A, TMS320LF2406A, TMS320LF2403A, TMS320LF2402A
TMS320LC2406A, TMS320LC2404A, TMS320LC2403A, TMS320LC2402A
DSP CONTROLLERS
SPRS145K
JULY 2000
REVISED AUGUST 2005
99
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
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
t
d(COL-CNTL)
Delay time, CLKOUT low to control valid
4
ns
t
d(COL-CNTH)
Delay time, CLKOUT low to control inactive
5
ns
t
d(COL-A)RD
Delay time, CLKOUT low to address valid
8
ns
t
d(COH-RDL)
Delay time, CLKOUT high to RD strobe active
5
ns
t
d(COL-RDH)
Delay time, CLKOUT low to RD strobe inactive high
8
1
ns
t
d(COL-SL)
Delay time, CLKOUT low to STRB strobe active low
5
ns
t
d(COL-SH)
Delay time, CLKOUT low to STRB strobe inactive high
6
ns
t
d(WRN)
Delay time, W/R going low to R/W rising
5
ns
t
h(A)COL
Hold time, address valid after CLKOUT low
2
ns
t
su(A)RD
Setup time, address valid before RD strobe active low
H
7
ns
t
h(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
t
a(A)
Access time, read data from address valid
2H
10
ns
t
a(RD)
Access time, read data from RD low
H
7
ns
t
su(D)RD
t
h(D)RD
Setup time, read data before RD strobe inactive high
8
ns
Hold time, read data after RD strobe inactive high
0
ns
t
h(AIV-D)
Hold time, read data after address invalid
0
ns
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