TMS320LF2407A_07 Datasheet, PDF (105/134 Pages) Texas Instruments – DSP CONTROLLERS

TMS320LF2407A,TMS320LF2406A, TMS320LF2403A, TMS320LF2402A
TMS320LC2406A, TMS320LC2404A, TMS320LC2403A, TMS320LC2402A
DSP CONTROLLERS
SPRS145L − JULY 2000 − REVISED SEPTEMBER 2007
external memory interface ready-on-write timing
switching characteristics over recommended operating conditions for an external memory
interface ready-on-write (see Figure 50)
td(COH-A)W
PARAMETER
Delay time, CLKOUT high to address valid
MIN MAX UNIT
10 ns
timing requirements for an external memory interface ready-on-write [H = 0.5t_c(CO)]
(see Figure 50)
th(RDY)COH
tsu(D)W
tv(RDY)AW
tsu(RDY)COH
Hold time, READY after CLKOUT high
Setup time, write data before WE strobe inactive high
Valid time, READY after address valid on write
Setup time, READY before CLKOUT high
MIN
−3
2H−17
22
MAX
−3
UNIT
ns
ns
ns
ns
CLKOUT
PS, DS, IS
A[0:15]
WE
D[0:15]
td(COH−A)W
Wait Cycle
tsu(D)W
STRB
READY
tv(RDY)AW
tsu(RDY)COH
th(RDY)COH
Figure 50. Ready-on-Write Timings
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