MC-45V8AB641EF-A10 데이터 시트보기 (PDF) - NEC => Renesas Technology
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MC-45V8AB641EF-A10
NEC => Renesas Technology
MC-45V8AB641EF-A10 Datasheet PDF : 16 Pages
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MC-45V8AB641
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
−
90
−
ns
ACT to PRE Command period
tRAS 52.5 120,000 60 120,000 ns
PRE to ACT / REF Command period
tRP
20
−
20
−
ns
ACT to PFC/PFCA Command delay time
tAPD
15
−
20
−
ns
ACT to PFR Command delay time (Prefetch Read Operation) tAPRD 15
−
20
−
ns
PFC to PRE Command delay time
tPPL
22.5
−
30
−
ns
PFCA / PFR to ACT/REF Command delay time
RST / RSTA to ACT(R) Note1 Command delay time
tPAL
45
−
50
−
ns
tRAD
7.5
30
10
40
ns
2
Same, Other Bank Operation
ACT(R) Note1 to PFC/PFCA/PFR Command delay time
PFC to PFC / PFCA Command delay time
tRPD 37.5
−
40
−
ns
tPPD 22.5
−
30
−
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
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.
Data Sheet M14619EJ2V0DS00
9
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