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MC-45V16AD641 Scheda tecnica(PDF) 9 Page - NEC

Il numero della parte MC-45V16AD641
Spiegazioni elettronici  16M-WORD BY 64-BIT VirtualChannel SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
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Produttore elettronici  NEC [NEC]
Homepage  http://www.nec.com/
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MC-45V16AD641 Scheda tecnica(HTML) 9 Page - NEC

  MC-45V16AD641 Datasheet HTML 1Page - NEC MC-45V16AD641 Datasheet HTML 2Page - NEC MC-45V16AD641 Datasheet HTML 3Page - NEC MC-45V16AD641 Datasheet HTML 4Page - NEC MC-45V16AD641 Datasheet HTML 5Page - NEC MC-45V16AD641 Datasheet HTML 6Page - NEC  
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Data Sheet M13823EJ6V0DS00
9
MC-45V16AD641
AC characteristics (Background to Background operation)
Parameter
Symbol
-A 75
-A 10
Unit
Notes
MIN.
MAX.
MIN.
MAX.
Same Bank Operation
ACT to ACT/REF Command period
tRC
67.5
80
ns
REF to REF/ ACT Command period
tRCF
67.5
80
ns
ACT to PRE Command period
tRAS
52
120,000
60
120,000
ns
PRE to ACT / REF Command period
tRP
20
20
ns
ACT to PFC/PFCA/ PPF/PPFA Command delay time
tAPD
15
20
ns
ACT to PFR Command delay time (Prefetch Read Operation)
tAPRD
20
20
ns
PFC to PRE Command delay time
tPPL
22.5
30
ns
PFCA / PFR to ACT/REF Command delay time
tPAL
45
50
ns
PPF to PRE Command delay time
tPPP
45
60
ns
PPFA to ACT/REF Command delay time
tPPA
67.5
80
ns
RST / RSTA to ACT(R)
Note1 Command delay time
tRAD
7.5
301040
ns
2
Same, Other Bank Operation
ACT(R)
Note1 to PFC/PFCA/PFR/ PPF/PPFA
Command delay time
tRPD
37.5
40
ns
PFC to PFC / PFCA Command delay time
tPPD
22.5
30
ns
PPF to PPF / PPFA Command delay time
tPPPD
45
60
ns
Other Bank Operation
ACT to ACT/ACT(R) or ACT(R) to ACT Command delay time
tRRD
15
20
ns
ACT(R) to ACT(R) Command delay time
tRRDR
30
40
ns
PFC /PFCA to RST /RSTA Command delay time
tPRD
22.5
30
ns
PPF /PPFA to RST /RSTA Command delay time
tPPRD
45
60
ns
Notes 1. ACT (R) command is ACT command after RST command.
2. The another background operation and same channel foreground operation are illegal while tRAD period.
5


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