AM1806 datasheet(100/245 Pages) TI

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AM1806

SPRS658F – FEBRUARY 2010 – REVISED MARCH 2014

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Table 6-22. Switching Characteristics for EMIFA Asynchronous Memory Interface (1) (2) (3) (continued)

1.3V, 1.2V, 1.1V, 1.0V

NO.

PARAMETER

UNIT

MIN

Nom

MAX

tsu(EMAV-EMWEL)

Output setup time, EMA_A[13:0] valid to EMA_WE low

(WS)*E-3

(WS)*E

(WS)*E+3

th(EMWEH-EMAIV)

Output hold time, EMA_WE high to EMA_A[13:0] invalid

(WH)*E-3

(WH)*E

(WH)*E+3

EMA_WE active low width (EW = 0)

(WST)*E-3

(WST)*E

(WST)*E+3

tw(EMWEL)

EMA_WE active low width (EW = 1)

(WST+EWC)*E-3

(WST+EWC)*E

(WST+EWC)*E+3

td(EMWAITH-EMWEH)

Delay time from EMA_WAIT deasserted to EMA_WE high

3E-3

4E+3

tsu(EMDV-EMWEL)

Output setup time, EMA_D[15:0] valid to EMA_WE low

(WS)*E-3

(WS)*E

(WS)*E+3

th(EMWEH-EMDIV)

Output hold time, EMA_WE high to EMA_D[15:0] invalid

(WH)*E-3

(WH)*E

(WH)*E+3

tsu(EMARW-EMWEL)

Output setup time, EMA_A_RW valid to EMA_WE low

(WS)*E-3

(WS)*E

(WS)*E+3

th(EMWEH-EMARW)

Output hold time, EMA_WE high to EMA_A_RW invalid

(WH)*E-3

(WH)*E

(WH)*E+3

100

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