MC-458CB646 Datasheet, PDF (7/16 Pages) NEC – 8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE

MC-458CB646
AC Characteristics (Recommended Operating Conditions Unless Otherwise Noted)
Test Conditions
Parameter
Value
Unit
AC high level input voltage / low level input voltage
2.4 / 0.4
V
Input timing measurement reference level
Transition time (Input rise and fall time)
Output timing measurement reference level
E _2.4V
CLK 1.4 V
O _0.4V
L^Input
2.4 V
1.4 V
1.4
1
1.4
tCK
tCH
tCL
tSETUP tHOLD
V
ns
V
0.4 V
Product ^Output
tAC
tOH
Data Sheet E0063N10
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