Datasheet

RM46L450
RM46L850
www.ti.com SPNS184A –SEPTEMBER 2012–REVISED SEPTEMBER 2013
Table 4-29. EMIF Asynchronous Memory Switching Characteristics
(1)(2)(3)
(continued)
NO Parameter Value Unit
MIN NOM MAX
19 t
h(EMWEH-EMDQMIV)
Output hold time, EMIFnWE (WH)*E-4 (WH)*E (WH)*E+3 ns
high to EMIFBA[1:0] invalid
20 t
su(EMBAV-EMWEL)
Output setup time, EMIFBA[1:0] (WS)*E-4 (WS)*E (WS)*E+3 ns
valid to EMIFnWE low
21 t
h(EMWEH-EMBAIV)
Output hold time, EMIFnWE (WH)*E-4 (WH)*E (WH)*E+3 ns
high to EMIFBA[1:0] invalid
22 t
su(EMAV-EMWEL)
Output setup time, (WS)*E-4 (WS)*E (WS)*E+3 ns
EMIFADDR[21:0] valid to
EMIFnWE low
23 t
h(EMWEH-EMAIV)
Output hold time, EMIFnWE (WH)*E-4 (WH)*E (WH)*E+3 ns
high to EMIFADDR[21:0] invalid
24 t
w(EMWEL)
EMIFnWE active low width (EW (WST)*E-3 (WST)*E (WST)*E+3 ns
= 0)
EMIFnWE active low width (EW (WST+(EWC*1 (WST+(EWC*1 (WST+(EWC*1 ns
= 1) 6)) *E-3 6))*E 6)) *E+3
25 t
d(EMWAITH-EMWEH)
Delay time from EMIFnWAIT 3E-4 4E 4E+30 ns
deasserted to EMIFnWE high
26 t
su(EMDV-EMWEL)
Output setup time, (WS)*E-4 (WS)*E (WS)*E+3 ns
EMIFDATA[15:0] valid to
EMIFnWE low
27 t
h(EMWEH-EMDIV)
Output hold time, EMIFnWE (WH)*E-4 (WH)*E (WH)*E+3 ns
high to EMIFDATA[15:0] invalid
31 t
su(EMDQMV-EMWEL)
Output setup time, (WH)*E-4 (WH)*E (WH)*E+3 ns
EMIFnDQM[1:0] valid to
EMIFnWE low
32 t
h(EMWEH-EMDQMIV)
Output hold time, EMIFnWE (WH)*E-4 (WH)*E (WH)*E+3 ns
hight to EMIFnDQM[1:0] invalid
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