MC-458CB64ESB Datasheet, PDF (8/16 Pages) NEC – 8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE SO DIMM

MC-458CB64ESB, 458CB64PSB
Synchronous Characteristics
Parameter
Symbol
-A 10B
Unit
MIN.
MAX.
Clock cycle time
/CAS latency = 3
tCK3
10
ns
/CAS latency = 2
tCK2
15
ns
Access time from CLK
/CAS latency = 3
tAC3
7
ns
/CAS latency = 2
tAC2
8
ns
CLK high level width
tCH
3.5
ns
CLK low level width
tCL
3.5
ns
Data-out hold time
tOH
3
ns
Data-out low-impedance time
tLZ
0
ns
Data-out high-impedance time /CAS latency = 3
tHZ3
3
7
ns
/CAS latency = 2
tHZ2
3
8
ns
Data-in setup time
tDS
2.5
ns
Data-in hold time
tDH
1
ns
Address setup time
tAS
2.5
ns
Address hold time
tAH
1
ns
CKE setup time
tCKS
2.5
ns
CKE hold time
tCKH
1
ns
CKE setup time (Power down exit)
tCKSP
2.5
ns
Command (/CS0, /RAS, /CAS, /WE,
tCMS
2.5
ns
DQMB0 - DQMB7) setup time
Command (/CS0, /RAS, /CAS, /WE,
tCMH
1
ns
DQMB0 - DQMB7) hold time
Note 1. Output load
Output
Z = 50 Ω
50 pF
Note
1
1
1
8
Data Sheet M12263EJAV0DS00