General Timing |
2 |
tw(WAIT) |
Pulse duration, WAIT assertion and deassertion minimum time |
|
2E |
ns |
28 |
td(WAIT-WEH) |
Setup time, WAIT asserted before WE high |
|
4E + 3 |
ns |
14 |
td(WAIT-OEH) |
Setup time, WAIT asserted before OE high |
|
4E + 3 |
ns |
Read Timing |
3 |
tC(CEL) |
EMIF read cycle time when ew = 0, meaning not in extended wait mode |
(RS+RST+RH+3)*E-3 |
(RS+RST+RH+3)*E+3 |
ns |
3 |
tC(CEL) |
EMIF read cycle time when ew =1, meaning extended wait mode enabled |
(RS+RST+WAIT+RH+3)*E-3 |
(RS+RST+WAIT+RH+3)*E+3 |
ns |
4 |
tosu(CEL-OEL) |
Output setup time from CE low to OE low. SS = 0, not in select strobe mode |
(RS+1) * E - 3 |
(RS+1) * E + 3 |
ns |
5 |
toh(OEH-CEH) |
Output hold time from OE high to CE high. SS = 0, not in select strobe mode |
(RH+1) * E - 3 |
(RH+1) * E + 3 |
ns |
4 |
tosu(CEL-OEL) |
Output setup time from CE low to OE low in select strobe mode, SS = 1 |
(RS+1) * E - 3 |
(RS+1) * E + 3 |
ns |
5 |
toh(OEH-CEH) |
Output hold time from OE high to CE high in select strobe mode, SS = 1 |
(RH+1) * E - 3 |
(RH+1) * E + 3 |
ns |
6 |
tosu(BAV-OEL) |
Output setup time from BA valid to OE low |
(RS+1) * E - 3 |
(RS+1) * E + 3 |
ns |
7 |
toh(OEH-BAIV) |
Output hold time from OE high to BA invalid |
(RH+1) * E - 3 |
(RH+1) * E + 3 |
ns |
8 |
tosu(AV-OEL) |
Output setup time from A valid to OE low |
(RS+1) * E - 3 |
(RS+1) * E + 3 |
ns |
9 |
toh(OEH-AIV) |
Output hold time from OE high to A invalid |
(RH+1) * E - 3 |
(RH+1) * E + 3 |
ns |
10 |
tw(OEL) |
OE active time low, when ew = 0. Extended wait mode is disabled. |
(RST+1) * E - 3 |
(RST+1) * E + 3 |
ns |
10 |
tw(OEL) |
OE active time low, when ew = 1. Extended wait mode is enabled. |
(RST+1) * E - 3 |
(RST+1) * E + 3 |
ns |
11 |
td(WAITH-OEH) |
Delay time from WAIT deasserted to OE high |
|
4E + 3 |
ns |
12 |
tsu(D-OEH) |
Input setup time from D valid to OE high |
3 |
|
ns |
13 |
th(OEH-D) |
Input hold time from OE high to D invalid |
0.5 |
|
ns |
Write Timing |
15 |
tc(CEL) |
EMIF write cycle time when ew = 0, meaning not in extended wait mode |
(WS+WST+WH+3)*E-3 |
(WS+WST+WH+3)*E+3 |
ns |
15 |
tc(CEL) |
EMIF write cycle time when ew =1., meaning extended wait mode is enabled |
(WS+WST+WAIT+WH+3)*E-3 |
(WS+WST+WAIT+WH+3)*E+3 |
ns |
16 |
tosuCEL-WEL) |
Output setup time from CE low to WE low. SS = 0, not in select strobe mode |
(WS+1) * E - 3 |
|
ns |
17 |
toh(WEH-CEH) |
Output hold time from WE high to CE high. SS = 0, not in select strobe mode |
(WH+1) * E - 3 |
|
ns |
16 |
tosuCEL-WEL) |
Output setup time from CE low to WE low in select strobe mode, SS = 1 |
(WS+1) * E - 3 |
|
ns |
17 |
toh(WEH-CEH) |
Output hold time from WE high to CE high in select strobe mode, SS = 1 |
(WH+1) * E - 3 |
|
ns |
18 |
tosu(RNW-WEL) |
Output setup time from RNW valid to WE low |
(WS+1) * E - 3 |
|
ns |
19 |
toh(WEH-RNW) |
Output hold time from WE high to RNW invalid |
(WH+1) * E - 3 |
|
ns |
20 |
tosu(BAV-WEL) |
Output setup time from BA valid to WE low |
(WS+1) * E - 3 |
|
ns |
21 |
toh(WEH-BAIV) |
Output hold time from WE high to BA invalid |
(WH+1) * E - 3 |
|
ns |
22 |
tosu(AV-WEL) |
Output setup time from A valid to WE low |
(WS+1) * E - 3 |
|
ns |
23 |
toh(WEH-AIV) |
Output hold time from WE high to A invalid |
(WH+1) * E - 3 |
|
ns |
24 |
tw(WEL) |
WE active time low, when ew = 0. Extended wait mode is disabled. |
(WST+1) * E - 3 |
|
ns |
24 |
tw(WEL) |
WE active time low, when ew = 1. Extended wait mode is enabled. |
(WST+1) * E - 3 |
|
ns |
26 |
tosu(DV-WEL) |
Output setup time from D valid to WE low |
(WS+1) * E - 3 |
|
ns |
27 |
toh(WEH-DIV) |
Output hold time from WE high to D invalid |
(WH+1) * E - 3 |
|
ns |
25 |
td(WAITH-WEH) |
Delay time from WAIT deasserted to WE high |
|
4E + 3 |
ns |