OMAP-L137
www.ti.com
SPRS563G – SEPTEMBER 2008 – REVISED JUNE 2014
6.10.6 EMIFA Electrical Data/Timing
Table 6-21
through
Table 6-24
assume testing over recommended operating conditions.
Table 6-21. EMIFA SDRAM Interface Timing Requirements
No.
PARAMETER
MIN
MAX
UNIT
19
t
su(DV-CLKH)
Input setup time, read data valid on EMA_D[15:0] before EMA_CLK rising
1.3
ns
20
t
h(CLKH-DIV)
Input hold time, read data valid on EMA_D[15:0] after EMA_CLK rising
1.5
ns
Table 6-22. EMIFA SDRAM Interface Switching Characteristics
No.
PARAMETER
MIN
MAX
UNIT
1
t
c(CLK)
Cycle time, EMIF clock EMA_CLK
10
ns
2
t
w(CLK)
Pulse width, EMIF clock EMA_CLK high or low
3
ns
3
t
d(CLKH-CSV)
Delay time, EMA_CLK rising to EMA_CS[0] valid
7
ns
4
t
oh(CLKH-CSIV)
Output hold time, EMA_CLK rising to EMA_CS[0] invalid
1
ns
5
t
d(CLKH-DQMV)
Delay time, EMA_CLK rising to EMA_WE_DQM[1:0] valid
7
ns
6
t
oh(CLKH-DQMIV)
Output hold time, EMA_CLK rising to EMA_WE_DQM[1:0] invalid
1
ns
7
t
d(CLKH-AV)
Delay time, EMA_CLK rising to EMA_A[12:0] and EMA_BA[1:0] valid
7
ns
Output hold time, EMA_CLK rising to EMA_A[12:0] and EMA_BA[1:0]
8
t
oh(CLKH-AIV)
1
ns
invalid
9
t
d(CLKH-DV)
Delay time, EMA_CLK rising to EMA_D[15:0] valid
7
ns
10
t
oh(CLKH-DIV)
Output hold time, EMA_CLK rising to EMA_D[15:0] invalid
1
ns
11
t
d(CLKH-RASV)
Delay time, EMA_CLK rising to EMA_RAS valid
7
ns
12
t
oh(CLKH-RASIV)
Output hold time, EMA_CLK rising to EMA_RAS invalid
1
ns
13
t
d(CLKH-CASV)
Delay time, EMA_CLK rising to EMA_CAS valid
7
ns
14
t
oh(CLKH-CASIV)
Output hold time, EMA_CLK rising to EMA_CAS invalid
1
ns
15
t
d(CLKH-WEV)
Delay time, EMA_CLK rising to EMA_WE valid
7
ns
16
t
oh(CLKH-WEIV)
Output hold time, EMA_CLK rising to EMA_WE invalid
1
ns
17
t
dis(CLKH-DHZ)
Delay time, EMA_CLK rising to EMA_D[15:0] 3-stated
7
ns
18
t
ena(CLKH-DLZ)
Output hold time, EMA_CLK rising to EMA_D[15:0] driving
1
ns
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Peripheral Information and Electrical Specifications
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