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MC-458CB647EFA-A75 View Datasheet(PDF) - Elpida Memory, Inc

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MC-458CB647EFA-A75 Datasheet PDF : 16 Pages
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MC-458CB647
Synchronous Characteristics
Parameter
Symbol
MIN.
-A 75
MAX.
Unit
Note
Clock cycle time
/CAS latency = 3
tCK3
7.5
(133 MHz)
ns
/CAS latency = 2
tCK2
10
(100 MHz)
ns
Access time from CLK
CLK high level width
CLK low level width
Data-out hold time
EData-out low-impedance time
Data-out high-impedance time
Data-in setup time
OData-in hold time
Address setup time
L Address hold time
/CAS latency = 3
/CAS latency = 2
/CAS latency = 3
/CAS latency = 2
tAC3
tAC2
tCH
tCL
tOH
tLZ
tHZ3
tHZ2
tDS
tDH
tAS
tAH
2.5
2.5
3.0
0
3.0
3.0
1.5
0.8
1.5
0.8
5.4
ns
1
6.0
ns
1
ns
ns
ns
1
ns
5.4
ns
6.0
ns
ns
ns
ns
ns
CKE setup time
CKE hold time
CKE setup time (Power down exit)
Command (/CS0, /CS2, /RAS, /CAS, /WE,
DQMB0 - DQMB7) setup time
P Command (/CS0, /CS2, /RAS, /CAS, /WE,
DQMB0 - DQMB7) hold time
Note 1. Output load
r Output
tCKS
1.5
ns
tCKH
0.8
ns
tCKSP
1.5
ns
tCMS
1.5
ns
tCMH
0.8
ns
Z = 50
50 pF
oduct Remark These specifications are applied to the monolithic device.
8
Data Sheet E0062N20
 

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