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74HC7404D Datasheet(PDF) 10 Page - NXP Semiconductors |
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74HC7404D Datasheet(HTML) 10 Page - NXP Semiconductors |
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10 / 28 page  September 1993 10 Philips Semiconductors Product specification 5-Bit x 64-word FIFO register; 3-state 74HC/HCT7404 AC CHARACTERISTICS FOR 74HCT GND = 0 V; tr = tf = 6 ns; CL = 50 pF. SYMBOL PARAMETER Tamb °C UNIT TEST CONDITION +25 −40 to +85 −40 to +125 VCC (V) WAVEFORMS MIN TYP MAX MIN MAX MIN MAX tPHL/tPLH propagation delay MR to DIR, DOR − 30 51 − 53 − 63 ns 4.5 Fig.9 tPHL propagation delay MR to Qn − 22 38 − 48 − 57 ns 4.5 Fig.9 tPHL/tPLH propagation delay SI to DIR − 25 43 − 54 − 65 ns 4.5 Fig.7 tPHL/tPLH propagation delay SO to DOR − 36 61 − 76 − 92 ns 4.5 Fig.10 tPHL/tPLH propagation delay SO to Qn − 42 72 − 90 − 108 ns 4.5 Fig.15 tPHL/tPLH propagation delay DOR to Qn − 712 − 15 − 18 ns 4.5 Fig.11 tPLH propagation delay/ripple through delay SI to DOR − 0.8 1.4 − 1.75 − 2.1 µs 4.5 Fig.11 tPLH propagation delay/bubble- up delay SO to DIR − 1 1.8 − 2.25 − 2.7 µs 4.5 Fig.8 tPZH/tPZL 3-state output enable OE to Qn − 16 30 − 38 − 45 ns 4.5 Fig.17 tPHZ/tPLZ 3-state output disable OE to Qn − 19 30 − 38 − 45 ns 4.5 Fig.17 tTHL/tTLH output transition time − 512 − 15 − 18 ns 4.5 Fig.17 tW SI pulse width HIGH or LOW 95 − 6 − 8 − ns 4.5 Fig.7 tW SO pulse width HIGH or LOW 14 8 − 18 − 21 − ns 4.5 Fig.10 tW DIR pulse width HIGH 5 17 29 4 36 4 44 ns 4.5 Fig.8 |
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