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MC-45V16AD641 Datasheet, PDF (7/16 Pages) NEC – 16M-WORD BY 64-BIT VirtualChannel SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-45V16AD641
AC Characteristics (Recommended Operating Conditions unless otherwise noted)
Test Conditions
• AC measurements assume tT = 1 ns.
• Reference level for measuring timing of input signals is 1.4 V. Transition times are measured between VIH and VIL.
• If tT is longer than 1 ns, reference level for measuring timing of input signals is VIH (MIN.) and VIL (MAX.).
• An access time is measured at 1.4 V.
CLK
CKE
Command
Address
DQM
(Input)
tCK
tCH
tCL
tCK
tCH
tCL
tCKS
tCKH
tS
tH
Valid
tDS tDH
tDS tDH
Data (Input)
Data (Output)
tAC
tLZ
Hi-Z
Valid
tAC
tOH
Valid
Valid
tHZ
Valid
Hi-Z
Data Sheet M13823EJ6V0DS00
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