SM320LF2407-EP Datasheet, PDF (90/112 Pages) Texas Instruments – 
DSP CONTROLLERS

SM320LF2407AĆEP
DSP CONTROLLERS
SGUS036B − JULY 2003 − REVISED OCTOBER 2003
external memory interface ready-on-write timings
switching characteristics over recommended operating conditions for an external memory
interface ready-on-write (see Figure 42)
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 42)
th(RDY)COH Hold time, READY after CLKOUT high
tsu(D)W
Setup time, write data before WE strobe inactive high
tv(RDY)AW
Valid time, READY after address valid on write
tsu(RDY)COH Setup time, READY before CLKOUT high
† _{Not verified; for informational purposes only.}
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 42. Ready-on-Write Timings
90
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