MC-458CA727 Datasheet, PDF (7/16 Pages) NEC – 8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE

AC Characteristics (Recommended Operating Conditions Unless Otherwise Noted)
Test Conditions
Parameter
AC high level input voltage / low level input voltage
Input timing measurement reference level
Transition time (Input rise and fall time)
Output timing measurement reference level
Value
2.4 / 0.4
1.4
1
1.4
MC-458CA727
Unit
V
V
ns
V
2.4 V
CLK 1.4 V
0.4 V
Input
2.4 V
1.4 V
0.4 V
Output
tCK
tCH
tCL
tSETUP tHOLD
tAC
tOH
Data Sheet E0060N20
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