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HM5164805FJ-6 Datasheet(PDF) 11 Page - Elpida Memory |
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HM5164805FJ-6 Datasheet(HTML) 11 Page - Elpida Memory |
11 / 34 page HM5164805F Series, HM5165805F Series Data Sheet E0098H10 11 AC Characteristics (Ta = 0 to +70˚C, V CC = 3.3 V ± 0.3 V, VSS = 0 V) * 1, *2, *19 Test Conditions • Input rise and fall time: 2 ns • Input pulse levels: V IL = 0 V, VIH = 3.0 V • Input timing reference levels: 0.8 V, 2.0 V • Output timing reference levels: 0.8 V, 2.0 V • Output load: 1 TTL gate + C L (100 pF) (Including scope and jig) Read, Write, Read-Modify-Write and Refresh Cycles (Common parameters) HM5164805F/HM5165805F -5 -6 Parameter Symbol Min Max Min Max Unit Notes Random read or write cycle time t RC 84 — 104 — ns RAS precharge time t RP 30 — 40 — ns CAS precharge time t CP 8 — 10 — ns RAS pulse width t RAS 50 10000 60 10000 ns CAS pulse width t CAS 8 10000 10 10000 ns Row address setup time t ASR 0 — 0 — ns Row address hold time t RAH 8 — 10 — ns Column address setup time t ASC 0 — 0 — ns Column address hold time t CAH 8 — 10 — ns RAS to CAS delay time t RCD 12 37 14 45 ns 3 RAS to column address delay time t RAD 10 25 12 30 ns 4 RAS hold time t RSH 13 — 15 — ns CAS hold time t CSH 38 — 40 — ns CAS to RAS precharge time t CRP 5 — 5 — ns OE to Din delay time t OED 13 — 15 — ns 5 OE delay time from Din t DZO 0 — 0 — ns 6 CAS delay time from Din t DZC 0 — 0 — ns 6 Transition time (rise and fall) t T 2 50 2 50 ns 7 |
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