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HM5316123B Datasheet, PDF (23/50 Pages) Elpida Memory – 131,072-word x 16-bit Multiport CMOS Video RAM | |||
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HM5316123B Series
Write Cycle (RAM), Page Mode Write Cycle, Color Register Set Cycle
HM5316123B
ââââââââââââââ
-7
-8
-10
ââââ ââââ ââââ
Parameter
Symbol Min Max Min Max Min Max Unit Notes
âââââââââââââââââââââââââââââââââââââââââ
Write command setup time
tWCS
0 â 0 â 0 â ns 11
âââââââââââââââââââââââââââââââââââââââââ
Write command hold time
tWCH
12 â 15 â 15 â ns
âââââââââââââââââââââââââââââââââââââââââ
Write command pulse width
tWP
12 â 15 â 15 â ns
âââââââââââââââââââââââââââââââââââââââââ
Write command to RAS lead time tRWL
20 â 20 â 20 â ns
âââââââââââââââââââââââââââââââââââââââââ
Write command to CAS lead time tCWL
20 â 20 â 20 â ns
âââââââââââââââââââââââââââââââââââââââââ
Data-in setup time
tDS
0 â 0 â 0 â ns 12
âââââââââââââââââââââââââââââââââââââââââ
Data-in hold time
tDH
12 â 15 â 15 â ns 12
âââââââââââââââââââââââââââââââââââââââââ
WE to RAS setup time
tWS
0 â 0 â 0 â ns
âââââââââââââââââââââââââââââââââââââââââ
WE to RAS hold time
tWH
10 â 10 â 10 â ns
âââââââââââââââââââââââââââââââââââââââââ
Mask data to RAS setup time
tMS
0 â 0 â 0 â ns
âââââââââââââââââââââââââââââââââââââââââ
Mask data to RAS hold time
tMH
10 â 10 â 10 â ns
âââââââââââââââââââââââââââââââââââââââââ
OE hold time referenced to WE tOEH
15 â 20 â 20 â ns
âââââââââââââââââââââââââââââââââââââââââ
Page mode cycle time
tPC
45 â 50 â 55 â ns
âââââââââââââââââââââââââââââââââââââââââ
CAS precharge time
tCP
7 â 10 â 10 â ns
âââââââââââââââââââââââââââââââââââââââââ
CAS to data-in delay time
tCDD
15 â 20 â 20 â ns 13
âââââââââââââââââââââââââââââââââââââââââ
Page mode RAS pulse width
tRASP
70 100000 80 100000 100 100000 ns
âââââââââââââââââââââââââââââââââââââââââ
Preliminary Data Sheet E0160H10
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