Datasheet

Table Of Contents
RM46L852
www.ti.com
SPNS185C SEPTEMBER 2012REVISED JUNE 2015
Table 6-29. EMIF Asynchronous Memory Switching Characteristics
(1)(2)(3)
(continued)
NO PARAMETER Value UNIT
MIN NOM MAX
16 t
su(EMCEL-EMWEL)
Output setup time, (WS)*E -3 (WS)*E (WS)*E + 3 ns
EMIF_nCS[4:2] low to
EMIF_nWE low (SS = 0)
Output setup time, -3 0 +3 ns
EMIF_nCS[4:2] low to
EMIF_nWE low (SS = 1)
17 t
h(EMWEH-EMCEH)
Output hold time, EMIF_nWE (WH)*E-3 (WH)*E (WH)*E+3 ns
high to EMIF_nCS[4:2] high (SS
= 0)
Output hold time, EMIF_nWE -3 0 +3 ns
high to EMIF_CS[4:2] high (SS =
1)
18 t
su(EMDQMV-EMWEL)
Output setup time, (WS)*E-3 (WS)*E (WS)*E+3 ns
EMIF_BA[1:0] valid to
EMIF_nWE low
19 t
h(EMWEH-EMDQMIV)
Output hold time, EMIF_nWE (WH)*E-3 (WH)*E (WH)*E+3 ns
high to EMIF_BA[1:0] invalid
20 t
su(EMBAV-EMWEL)
Output setup time, (WS)*E-3 (WS)*E (WS)*E+3 ns
EMIF_BA[1:0] valid to
EMIF_nWE low
21 t
h(EMWEH-EMBAIV)
Output hold time, EMIF_nWE (WH)*E-3 (WH)*E (WH)*E+3 ns
high to EMIF_BA[1:0] invalid
22 t
su(EMAV-EMWEL)
Output setup time, (WS)*E-3 (WS)*E (WS)*E+3 ns
EMIF_ADDR[12:0] valid to
EMIF_nWE low
23 t
h(EMWEH-EMAIV)
Output hold time, EMIF_nWE (WH)*E-3 (WH)*E (WH)*E+3 ns
high to EMIF_ADDR[12:0]
invalid
24 t
w(EMWEL)
EMIF_nWE active low width (WST)*E-3 (WST)*E (WST)*E+3 ns
(EW = 0)
EMIF_nWE active low width (WST+(EWC*1 (WST+(EWC*1 (WST+(EWC*1 ns
(EW = 1) 6)) *E-3 6))*E 6)) *E+3
25 t
d(EMWAITH-EMWEH)
Delay time from EMIF_nWAIT 3E+11 4E 4E+24 ns
deasserted to EMIF_nWE high
26 t
su(EMDV-EMWEL)
Output setup time, (WS)*E-3 (WS)*E (WS)*E+3 ns
EMIF_DATA[15:0] valid to
EMIF_nWE low
27 t
h(EMWEH-EMDIV)
Output hold time, EMIF_nWE (WH)*E-3 (WH)*E (WH)*E+3 ns
high to EMIF_DATA[15:0] invalid
31 t
su(EMDQMV-EMWEL)
Output setup time, (WH)*E-3 (WH)*E (WH)*E+3 ns
EMIF_nDQM[1:0] valid to
EMIF_nWE low
32 t
h(EMWEH-EMDQMIV)
Output hold time, EMIF_nWE (WH)*E-3 (WH)*E (WH)*E+3 ns
high to EMIF_nDQM[1:0] invalid
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