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TMS320C6410 Datasheet, PDF (104/140 Pages) Texas Instruments – Fixed-Point Digital Signal Processors | |||
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Synchronous DRAM Timing
7.4 Synchronous DRAM Timing
Table 7â12. Timing Requirements for Synchronous DRAM Cycles for EMIFA Module (see Figure 7â12)
NO.
6
tsu(EDV-EKO1H)
7
th(EKO1H-EDV)
Setup time, read AEDx valid before AECLKOUTx high
Hold time, read AEDx valid after AECLKOUTx high
â400
â500
MIN MAX
2.1
2.5
UNIT
ns
ns
Table 7â13. Switching Characteristics Over Recommended Operating Conditions for Synchronous DRAM
Cycles for EMIFA Module (see Figure 7â12âFigure 7â19)
NO.
1
td(EKO1H-CEV)
2
td(EKO1H-BEV)
3
td(EKO1H-BEIV)
4
td(EKO1H-EAV)
5
td(EKO1H-EAIV)
8
td(EKO1H-CASV)
9
td(EKO1H-EDV)
10 td(EKO1H-EDIV)
11 td(EKO1H-WEV)
12 td(EKO1H-RAS)
13 td(EKO1H-ACKEV)
14 td(EKO1H-PDTV)
PARAMETER
Delay time, AECLKOUTx high to ACEx valid
Delay time, AECLKOUTx high to ABEx valid
Delay time, AECLKOUTx high to ABEx invalid
Delay time, AECLKOUTx high to AEAx valid
Delay time, AECLKOUTx high to AEAx invalid
Delay time, AECLKOUTx high to ASDCAS valid
Delay time, AECLKOUTx high to AEDx valid
Delay time, AECLKOUTx high to AEDx invalid
Delay time, AECLKOUTx high to ASDWE valid
Delay time, AECLKOUTx high to ASDRAS valid
Delay time, AECLKOUTx high to ASDCKE valid
Delay time, AECLKOUTx high to PDT valid
â400
â500
MIN MAX
1.3 6.4
6.4
1.3
6.4
1.3
1.3 6.4
6.4
1.3
1.3 6.4
1.3 6.4
1.3 6.4
1.3 6.4
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
104 SPRS247E
April 2004 â Revised May 2005
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