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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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HT1623 数据表(PDF) 8 Page - Holtek Semiconductor Inc |
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HT1623 数据表(HTML) 8 Page - Holtek Semiconductor Inc |
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8 / 18 page  Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions tr,tf Rise/Fall Time Serial Data Clock Width (Figure 1) 3V ¾¾ 120 ¾ ns 5V tsu Setup Time DATA to WR,RD Clock Width (Figure 2) 3V ¾¾ 120 ¾ ns 5V th Hold Time DATA to WR,RD Clock Width (Figure 2) 3V ¾¾ 120 ¾ ns 5V tsu1 Setup Time for CS to WR,RD Clock Width (Figure 3) 3V ¾¾ 100 ¾ ns 5V th1 Hold Time for CS to WR,RD Clock Width (Figure 3) 3V ¾¾ 100 ¾ ns 5V HT1623 8 April 21, 2000 90% 50% 10% GN D WR , R D Cl o c k t f t r t CL K t CL K - V DD Figure 1 50% VA L I D D A T A 50% DB W R , R D Cl o c k GN D t su t h V DD V DD - GN D Figure 2 CS GN D 50 % 50 % FI R S T Cl o c k LA S T Cl o c k GN D W R , R D Cl o c k t su 1 t h1 t CS - V DD - V DD Figure 3 |
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