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MC-458CA721PSA Folha de dados(PDF) 8 Page - NEC |
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MC-458CA721PSA Folha de dados(HTML) 8 Page - NEC |
8 / 6 page Data Sheet M14494EJ2V0DS00 8 MC-458CA721ESA, 458CA721PSA Synchronous Characteristics Parameter Symbol -A 80 -A 10 Unit Note MIN. MAX. MIN. MAX. Clock cycle time /CAS latency = 3 tCK3 8 (125 MHz) 10 (100 MHz) ns /CAS latency = 2 tCK2 10 (100 MHz) 13 (77 MHz) ns Access time from CLK /CAS latency = 3 tAC3 66 ns 1 /CAS latency = 2 tAC2 67 ns 1 CLK high level width tCH 33 ns CLK low level width tCL 33 ns Data-out hold time tOH 33 ns 1 Data-out low-impedance time tLZ 00 ns Data-out high-impedance time /CAS latency = 3 tHZ3 36 36 ns /CAS latency = 2 tHZ2 36 37 ns Data-in setup time tDS 22 ns Data-in hold time tDH 11 ns Address setup time tAS 22 ns Address hold time tAH 11 ns CKE setup time tCKS 22 ns CKE hold time tCKH 11 ns CKE setup time (Power down exit) tCKSP 22 ns Command (/CS0, /RAS, /CAS, /WE, DQMB0 - DQMB7) setup time tCMS 22 ns Command (/CS0, /RAS, /CAS, /WE, DQMB0 - DQMB7) hold time tCMH 11 ns Note 1. Output load Output Z = 50 Ω 50 pF Remark These specifications are applied to the monolithic device. |
Nº de peça semelhante - MC-458CA721PSA |
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Descrição semelhante - MC-458CA721PSA |
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