TNETV2666FIBZWT datasheet(175/249 Pages) TI1

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EM_CS[5:2]

EM_BA[1:0]

EM_A[21:0]

EM_OE

EM_D[15:0]

EM_WE

EM_R/W

TMS320C6424

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SPRS347D – MARCH 2007 – REVISED DECEMBER 2009

Table 6-25. Switching Characteristics Over Recommended Operating Conditions for Asynchronous

Memory Cycles for EMIFA Module (1) (2) (see Figure 6-14 and Figure 6-15 ) (continued)

-7/-6/-5/-4

-L/-Q6/-Q5/-Q4

PARAMETER

UNIT

MIN

NOM

MAX

tw(EMWEL)

EM_WE active low width

(WST + 1) * E(3)

Delay time from EM_WAIT deasserted

td(EMWAITH-EMWEH)

4E + 4

to EM_WE high

Output setup time, EM_D[15:0] valid to

tsu(EMDV-EMWEL)

(WS + 1) * E - 4

(WS + 1) * E + 4

EM_WE low

Output hold time, EM_WE high to

th(EMWEH-EMDIV)

(WH + 1) * E - 4

(WH + 1) * E + 4

EM_D[15:0] invalid

Figure 6-14. Asynchronous Memory Read Timing for EMIF

Peripheral Information and Electrical Specifications

175

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