MC-4532CD646 Ver la hoja de datos (PDF) - NEC => Renesas Technology
Número de pieza
componentes Descripción
Fabricante
MC-4532CD646
NEC => Renesas Technology
MC-4532CD646 Datasheet PDF : 16 Pages
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MC-4532CD646
Asynchronous Characteristics
Parameter
Symbol
-A 80
-A 10
MIN.
MAX.
MIN.
MAX.
ACT to REF/ACT command period (Operation)
tRC
70
70
REF to REF/ACT command period (Refresh)
tRC1
70
78
ACT to PRE command period
tRAS
48 120,000 50 120,000
PRE to ACT command period
tRP
20
20
Delay time ACT to READ/WRITE command
tRCD
20
20
ACT(one) to ACT(another) command period
tRRD
16
20
Data-in to PRE command period
tDPL
8
10
Data-in to ACT(REF) command period /CAS latency = 3 tDAL3 1CLK+20
1CLK+20
(Auto precharge)
/CAS latency = 2 tDAL2 1CLK+20
1CLK+20
Mode register set cycle time
tRSC
2
2
Transition time
tT
0.5
30
1
30
Refresh time (4,096 refresh cycles)
tREF
64
64
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
CLK
ns
ms
Note
Data Sheet M13681EJ4V0DS00
9
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