HM514400BLS-6 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics
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HM514400BLS-6 Datasheet PDF : 27 Pages
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HM514400B/BL, HM514400C/CL Series
Read Cycle
Parameter
Access time from RAS
Access time from CAS
Access time from address
Access time from OE
Read command setup time
Read command hold time to CAS
Read command hold time to RAS
Column address to RAS lead time
Output buffer turn-off time
Output buffer turn-off time to OE
CAS to Din delay time
OE pulse width
HM514400B/BL, HM514400C/CL
-6
-7
-8
Symbol Min Max Min Max Min Max Unit Notes
tRAC
— 60 — 70 — 80 ns 2, 3, 17
tCAC
— 15 — 20 — 20 ns 3, 4, 13,
17
tAA
— 30 — 35 — 40 ns 3, 5, 13,
17
tOAC
tRCS
tRCH
tRRH
tRAL
tOFF1
tOFF2
tCDD
tOEP
— 15 — 20 — 20 ns 3, 17
0
—0
—0
— ns
0
—0
—0
— ns 18
0
—0
—0
— ns 18
30 — 35 — 40 — ns
0
15 0
20 0
20 ns 6
0
15 0
20 0
20 ns 6
15 — 20 — 20 — ns
15 — 20 — 20 — ns
Write Cycle
Parameter
Write command setup time
Write command hold time
Write command pulse width
Write command to RAS lead time
Write command to CAS lead time
Data-in setup time
Data-in hold time
HM514400B/BL, HM514400C/CL
-6
-7
-8
Symbol Min Max Min Max Min Max Unit Notes
tWCS
tWCH
tWP
tRWL
tCWL
tDS
tDH
0
—0
—0
— ns 10
15 — 15 — 15 — ns
10 — 10 — 10 — ns
15 — 20 — 20 — ns
15 — 20 — 20 — ns
0
—0
—0
— ns 11
15 — 15 — 15 — ns 11
10
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