MC-45V16AD641 Datasheet, PDF (8/16 Pages) NEC – 16M-WORD BY 64-BIT VirtualChannel SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE

5 ^{AC characteristics}
Parameter
Clock cycle time
Access time from CLK
CLK high level width
CLK low level width
Data-out hold time
Data-out low-impedance time
Data-out high-impedance time
Data-in setup time
Data-in hold time
Address, Command, DQM setup time
Address, Command, DQM hold time
CKE setup time
CKE hold time
CKE setup time (Power down exit)
Transition time
Refresh time (4,096 refresh cycles)
Mode register set cycle time
Note 1. Output load.
Output
Z = 50 Ω
MC-45V16AD641
Symbol
-A 75
MIN. MAX.
tCK
7.5
−
tAC
−
5.4
tCH
2.5
−
tCL
2.5
−
tOH
2.7
−
tLZ
0
−
tHZ
2.5
5.4
tDS
1.5
−
tDH
0.8
−
tS
1.5
−
tH
0.8
−
tCKS
1.5
−
tCKH
0.8
−
tCKSP
1.5
−
tT
0.5
30
tREF
−
64
tRSC
2
−
-A 10
MIN. MAX.
10
−
−
6
3
−
3
−
3
−
0
−
3
6
2
−
1
−
2
−
1
−
2
−
1
−
2
−
1
30
−
64
2
−
Unit Note
ns
ns
1
ns
ns
ns
1
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
CLK
50 pF
8
Data Sheet M13823EJ6V0DS00