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HCF4517B 数据表(PDF) 5 Page - STMicroelectronics |
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HCF4517B 数据表(HTML) 5 Page - STMicroelectronics |
5 / 12 page DYNAMIC ELECTRICAL CHARACTERISTICS (T amb =25°C, Input tr,tf = 20ns, CL = 50pF, RL = 200kΩ) Test Conditions Val ue Symbol Parameter V DD (V) Min. Typ. Max. Unit t PHL ,tPLH Propagation Delay Time : CL to Bit 16 Tap 5200 400 ns 10 110 220 15 90 180 t PL Z,tPHZ t PZL,tPZH 3-State Output WE to Bit 16 Tap (see note) 575 150 ns 10 40 80 15 30 60 t THL,tTLH Output Transition Time 5 100 200 ns 10 50 100 15 40 80 t se tu p Write Enable to Clock 5 – 100 – 50 ns 10 – 50 – 25 15 – 30 – 15 t se tup Data to Clock 5 – 100 – 50 ns 10 – 60 – 30 15 – 30 – 15 Write Enable to Clock Release Time 550 100 ns 10 25 50 15 20 40 t hold Data to Clock 5 100 200 ns 10 50 100 15 25 50 t W Minimum Clock Pulse Width 5 90 180 ns 10 40 80 15 25 50 f CL Maximum Clock Input Frequency 53 6 MHz 10 6 12 15 8 15 t f,tr Maximum Clock Input Rise or Fall Time 5 UNLIMITED µs 10 15 Note : Measured at the point of 10% change in output load of 50pF, RL =1k Ω to VDD for tPZL,tPLZ and RL =1kΩ to VSS for tPHZ. HCC/HCF4517B 5/12 |
类似零件编号 - HCF4517B |
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类似说明 - HCF4517B |
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