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SM5921AF Datasheet(PDF) 7 Page - Nippon Precision Circuits Inc

Part # SM5921AF
Description  8-channel Lip Sync Delay
PDF  27 Pages
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Manufacturer  NPC [Nippon Precision Circuits Inc]
Direct Link  http://www.npc.co.jp/en
Logo NPC - Nippon Precision Circuits Inc

SM5921AF Datasheet(HTML) 7 Page - Nippon Precision Circuits Inc

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SM5921A
SEIKO NPC CORPORATION —7
SDRAM interface (CLKO, RASN, CASN, WEN, CSN, A0 to A10, DQ0 to DQ15 pins)
Parameter
Symbol
Conditions
Rating
Unit
min
typ
max
CLKO pulse cycle time
tCLKCY
CL = 15pF
1
tBICY
CLKO HIGH-level pulsewidth
tCLKOH
CL = 15pF
1/2
tBICY
CLKO LOW-level pulsewidth
tCLKOL
CL = 15pF
1/2
tBICY
RASN pulsewidth
tRASNH
CL = 15pF
1
tBICY
tRASNL
CL = 15pF
1
tBICY
CASN pulsewidth
tCASNH
CL = 15pF
1
tBICY
tCASNL
CL = 15pF
1
tBICY
WEN pulsewidth
tWENH
CL = 15pF
1
tBICY
tWENL
CL = 15pF
1
tBICY
CLKO
↑ – CSN
Setup time
tCSNS
CL = 15pF
1/2
tBICY
Hold time
tCSNH
CL = 15pF
1/2
tBICY
CLKO
↑ – RASN
Setup time
tRASNS
CL = 15pF
1/2
tBICY
Hold time
tRASNHO
CL = 15pF
1/2
tBICY
CLKO
↑ – CASN
Setup time
tCASNS
CL = 15pF
1/2
tBICY
Hold time
tCASNHO
CL = 15pF
1/2
tBICY
CLKO
↑ – WEN
Setup time
tWENS
CL = 15pF
1/2
tBICY
Hold time
tWENHO
CL = 15pF
1/2
tBICY
CLKO
↑ – A0 to A10
Setup time
tADS
CL = 15pF
1/2
tBICY
Hold time
tADH
CL = 15pF
1/2
tBICY
CLKO
↑ – DQ0 to DQ15
Setup time
tDQS
CL = 15pF
1/2
tBICY
Hold time
tDQH
CL = 15pF
1/2
tBICY
Refresh command interval
tREF
CL = 15pF
3
times/fs
CLKO propagation delay
tDLY
CL = 15pF
0
15
ns



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