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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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MSM81C55-5JS bảng dữ liệu(PDF) 4 Page - OKI electronic componets |
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MSM81C55-5JS bảng dữ liệu(HTML) 4 Page - OKI electronic componets |
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4 / 19 page  4/19 ¡ Semiconductor MSM81C55-5RS/GS/JS AC CHARACTERISTICS Parameter Symbol Unit Remarks Max. Min. VCC = 4.75 V to 5.25 V, Ta = –40 to +70°C 80C85AH 5MHz I/F Max. Min. VCC = 4.5 V to 5.5 V, Ta = –40 to +80°C 80C85AH 3MHz I/F Address/latch Setup Time tAL ns Latch/address Holt Time tLA ns 37 — 30 — 50 — 30 — Read/output Delay Time Latch/read (write) Delay Time tLC ns 40 — 100 — Address/output Delay Time tRD ns — 140 — 170 Latch Width tAD ns — 330 — 400 Read/data Bus Floating Time tLL tRDF ns 70 — 100 — Read (write)/latch Delay Time tCL ns 080 0 100 Read (write) Width tCC ns 20 — 20 — Data In/write Setup Time tDW ns 200 — 250 — Write/data-in Hold Time tWD ns 100 — 150 — Recovery Time tRV ns 25 — 0 — Write/port Output Delay Time tWP ns 200 — 300 — tPR ns — 300 — 400 Port Input/read Setup Time Load capaci- tance: 150 pF tRP ns Read/port Input Hold Time tSBF ns 50 — 10 — 70 — 50 — Strobe Width Strobe/buffer Full Delay Time tSS ns — 300 — 400 Strobe/buffer Empty Delay Time tRBE ns 150 — 200 — Strobe/interrupt-on Delay Time tSI ns — 300 — 400 tRDI ns — 300 — 400 Read/interrupt-off Delay Time Port Input/strobe Setup Time tPSS ns — 300 — 400 Strobe/port-input Hold Time tPHS ns 20 — 50 — Strobe/buffer-empty Delay Time tSBE ns 100 — 120 — Write/buffer-full Delay Time tWBF ns — 300 — 400 tWI ns — 300 — 400 Write/interrupt-off Delay Time ns Time Output Delay Time Low tTL ns — 300 — 400 Time Output Delay Time High tTH ns — 300 — 400 tRDE ns — 300 — 400 Read/data Buse Enable Delay Time Timer Cycle Time tCYC ns 10 — 10 — tr, tf ns 320 — 320 — Timer Input Rise and Fall Times Timer Input Low Level Time t1 ns —80 — 80 t2 ns 40 — 80 — Timer Input High Level Time WRITE to TIMER-IN for writes which start counting tWT ns 70 — 120 — tTW ns 200 — 200 — TIMER-IN to WRITE for writes which start counting ns 0— 0 — Note: Timings are measured wth VL = 0.8 V and VH = 2.2 V for both input and output. |
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