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HYS72V64300GR-75-D Datasheet(PDF) 10 Page - Infineon Technologies AG |
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HYS72V64300GR-75-D Datasheet(HTML) 10 Page - Infineon Technologies AG |
10 / 22 page HYS 72Vxx3xxGR PC133 Registered SDRAM-Modules INFINEON Technologies 10 2002-07-18 AC Characteristics (SDRAM Device Specification) 4), 5) T A =0 to 70 °C 1); V SS =0 V; VDD =3.3 V ± 0.3 V, tT =1ns Parameter Symbol Limit Values Unit Note -7 PC133-222 -7.5 PC133-333 min. max. min. max. Clock and Access Time Clock Cycle Time CAS Latency = 3 CAS Latency = 2 t CK 7.5 7.5 – – 7.5 10 – – ns ns – Clock Frequency CAS Latency = 3 CAS Latency = 2 f CK – – 133 133 – – 133 100 MHz MHz – Access Time from Clock CAS Latency = 3 CAS Latency = 2 t AC – – 5.4 5.4 – – 5.4 6 ns ns – Clock High Pulse Width t CH 2.5 – 2.5 – ns – Clock Low Pulse Width t CL 2.5 – 2.5 – ns – Transition Time t T 0.5 7.5 0.5 10 ns – Setup and Hold Parameters Input Setup Time t IS 1.5 – 1.5 – ns – Input Hold Time t IH 0.8 – 0.8 – ns – Power Down Mode Entry Time t SB –1–1CLK – Power Down Mode Exit Setup Time t PDE 1–1–CLK – Mode Register Setup Time t RCS 2–2–CLK – Common Parameters Row to Column Delay Time t RCD 15 – 20 – ns – Row Precharge Time t RP 15 – 20 – ns – Row Active Time t RAS 37 – 45 100k ns – Row Cycle Time t RC 60 – 67.5 – ns – Activate (a) to Activate (b) Command Period t RRD 2–2–CLK – CAS(a) to CAS(b) Command Period t CCD 1–1–CLK – |
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