전자부품 데이터시트 검색엔진 |
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74HC74D-T 데이터시트(PDF) 11 Page - NXP Semiconductors |
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74HC74D-T 데이터시트(HTML) 11 Page - NXP Semiconductors |
11 / 22 page 2003 Jul 10 11 Philips Semiconductors Product specification Dual D-type flip-flop with set and reset; positive-edge trigger 74HC74; 74HCT74 Tamb = −40 to +125 °C tPHL/tPLH propagation delay nCP to nQ, nQ see Fig.7 2.0 −− 265 ns 4.5 −− 53 ns 6.0 −− 45 ns propagation delay nSD to nQ, nQ see Fig.8 2.0 −− 300 ns 4.5 −− 60 ns 6.0 −− 51 ns propagation delay nRD to nQ, nQ see Fig.8 2.0 −− 300 ns 4.5 −− 60 ns 6.0 −− 51 ns tTHL/tTLH output transition time see Fig.7 2.0 −− 110 ns 4.5 −− 22 ns 6.0 −− 19 ns tW clock pulse width HIGH or LOW see Fig.7 2.0 120 −− ns 4.5 24 −− ns 6.0 20 −− ns tW set or reset pulse width LOW see Fig.8 2.0 120 −− ns 4.5 24 −− ns 6.0 20 −− ns trem removal time set or reset see Fig.8 2.0 45 −− ns 4.5 9 −− ns 6.0 8 −− ns tsu set-up time nD to nCP see Fig.7 2.0 90 −− ns 4.5 18 −− ns 6.0 15 −− ns th hold time nCP to nD see Fig.7 2.0 3 −− ns 4.5 3 −− ns 6.0 3 −− ns fmax maximum clock pulse frequency see Fig.7 2.0 4.0 −− MHz 4.5 20 −− MHz 6.0 24 −− MHz SYMBOL PARAMETER TEST CONDITIONS MIN. TYP. MAX. UNIT WAVEFORMS VCC (V) |
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