mc-4516cb646pf-a80 Renesas Electronics Corporation., mc-4516cb646pf-a80 Datasheet - Page 9

• Manufacturer Part Number: mc-4516cb646pf-a80
• Description: 16m-word By 64-bit Synchronous Dynamic Ram Module Unbuffered Type
• Manufacturer: Renesas Electronics Corporation.

Asynchronous Characteristics
ACT to REF/ACT command period (Operation)
REF to REF/ACT command period (Refresh)
ACT to PRE command period
PRE to ACT command period
Delay time ACT to READ/WRITE command
ACT(one) to ACT(another) command period
Data-in to PRE command period
Data-in to ACT(REF) command
period (Auto precharge)
Mode register set cycle time
Transition time
Refresh time (4,096 refresh cycles)
Parameter
/CAS latency = 3
/CAS latency = 2
Data Sheet M14334EJ2V0DS00
Symbol
t
t
t
t
t
t
t
t
t
t
t
DAL3
DAL2
RC1
RAS
RCD
RRD
RSC
REF
DPL
t
RC
RP
T
1CLK+20
1CLK+20
MIN.
0.5
70
70
48
20
20
16
8
2
-A 80
120,000
MAX.
30
64
1CLK+20
1CLK+20
MIN.
70
78
50
20
20
20
10
2
1
-A 10
120,000
MAX.
30
64
MC-4516CB646
CLK
Unit
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Note
9