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HD74LS162AFPEL 数据表(PDF) 6 Page - Renesas Technology Corp |
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HD74LS162AFPEL 数据表(HTML) 6 Page - Renesas Technology Corp |
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6 / 11 page ![]() HD74LS162A Rev.3.00, Jul.15.2005, page 6 of 10 Testing Table Inputs Enable Data Item From input to output Clear Load P T Clock A B C D ƒmax 4.5V 4.5V 4.5V 4.5V IN GND GND GND GND CK → Ripply Carry 4.5V 4.5V 4.5V 4.5V IN GND GND GND GND CK → Q 4.5V 4.5V 4.5V 4.5V IN GND GND GND GND CK → Q 4.5V GND GND GND IN IN* IN* IN* IN* Enable T → Ripple Carry 4.5V GND 4.5V IN IN** 4.5V GND GND 4.5V tPLH tPHL CLR → Q IN GND GND GND IN** 4.5V 4.5V 4.5V 4.5V Notes: *. Measuring outputs correspond to this condition, each outputs (QA, QB, QC, and QD) must not be over the following rate, “H”, “L”, “L”, and “H”. **. For initialized Outputs Item From input to output QA QB QC QD Ripple Carry ƒmax OUT OUT OUT OUT OUT CK →Ripple Carry — — — — OUT CK →Q OUT OUT OUT OUT — CK →Q OUT OUT OUT OUT — Enable T →Ripple Carry — — — — OUT tPLH tPHL CLR →Q OUT OUT OUT OUT — |
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