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ST7632 Datasheet(PDF) 75 Page - Sitronix Technology Co., Ltd. |
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ST7632 Datasheet(HTML) 75 Page - Sitronix Technology Co., Ltd. |
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75 / 96 page ![]() ST7632 Ver 1.7 75/96 2006/08/15 12. TIMING CHARACTERISTICS System Bus Read/Write Characteristics 1 (For the 8080 Series MPU) tAH8 tAW8 tCYC8 tCCLR,tCCLW tCCHR,tCCHW tDS8 tACC8 tOH8 tDH8 /CS WR,RD A0 D0 to D7 (Write) D0 to D7 (Read) Figure 39. (VDD = 3.3V , Ta =-30°C ~85°C, die) Rating Item Signal Symbol Condition Min. Max. Units Address hold time tAH8 30 — Address setup time tAW8 30 — System cycle time A0 tCYC8 370 — Enable L pulse width (WRITE) tCCLW 120 — Enable H pulse width (WRITE) WR tCCHW 250 — Enable L pulse width (READ) tCCLR 60 — Enable H pulse width (READ) RD tCCHR 140 WRITE Data setup time tDS8 200 — WRITE Address hold time tDH8 30 — READ access time tACC8 CL = 100 pF — 70 READ Output disable time D0 to D7 tOH8 CL = 100 pF — 50 ns |
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