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HM62W16255HC Datasheet(PDF) 8 Page - Hitachi Semiconductor |
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HM62W16255HC Datasheet(HTML) 8 Page - Hitachi Semiconductor |
8 / 18 page HM62W16255HC Series 8 AC Characteristics (Ta = 0 to +70 °C, V CC = 3.3 V ± 0.3 V, unless otherwise noted.) Test Conditions • Input pulse levels: 3.0 V/0.0 V • Input rise and fall time: 3 ns • Input and output timing reference levels: 1.5 V • Output load: See figures (Including scope and jig) Output load (B) (for tCLZ, tOLZ, tLBLZ, tUBLZ, tCHZ, tOHZ, tLBHZ, tUBHZ, tWHZ, and tOW) Dout 353 Ω 319 Ω 3.3 V 5 pF 1.5 V 30 pF Dout RL=50 Ω Output load (A) Zo=50 Ω Read Cycle HM62W16255HC -10 Parameter Symbol Min Max Unit Notes Read cycle time t RC 10 — ns Address access time t AA —10 ns Chip select access time t ACS —10 ns Output enable to output valid t OE —5 ns Byte select to output valid t LB, tUB —5 ns Output hold from address change t OH 3— ns Chip select to output in low-Z t CLZ 3 — ns 1 Output enable to output in low-Z t OLZ 0 — ns 1 Byte select to output in low-Z t LBLZ, t UBLZ 0 — ns 1 Chip deselect to output in high-Z t CHZ — 5 ns 1 Output disable to output in high-Z t OHZ — 5 ns 1 Byte deselect to output in high-Z t LBHZ, t UBHZ — 5 ns 1 |
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