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TC74HC161AP Datasheet(PDF) 7 Page - Toshiba Semiconductor |
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TC74HC161AP Datasheet(HTML) 7 Page - Toshiba Semiconductor |
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7 / 15 page ![]() TC74HC161,163AP/AF/AFN 2007-10-01 7 Timing Requirements (input: tr = tf = 6 ns) Test Condition Ta = 25°C Ta = −40 to 85°C Characteristics Symbol VCC (V) Typ. Limit Limit Unit Minimum pulse width (CK) tW (H) tW (L) Figure 1 2.0 4.5 6.0 ⎯ ⎯ ⎯ 75 15 13 95 19 16 ns Minimum pulse width ( CLR ) (Note 1) tW (L) Figure 4 2.0 4.5 6.0 ⎯ ⎯ ⎯ 75 15 13 95 19 16 ns Minimum set-up time ( LOAD , ENP, ENT) ts Figure 2, Figure 3 2.0 4.5 6.0 ⎯ ⎯ ⎯ 100 20 17 125 25 21 ns Minimum set-up time (A, B, C, D) ts Figure 2 2.0 4.5 6.0 ⎯ ⎯ ⎯ 75 15 13 95 19 16 ns Minimum set-up time ( CLR ) (Note 2) ts Figure 5 2.0 4.5 6.0 ⎯ ⎯ ⎯ 75 15 13 95 19 16 ns Minimum hold time th Figure 2, Figure 3, Figure 5 2.0 4.5 6.0 ⎯ ⎯ ⎯ 0 0 0 0 0 0 ns Minimum removal time ( CLR ) (Note 1) trem Figure 4 2.0 4.5 6.0 ⎯ ⎯ ⎯ 50 10 9 65 13 11 ns Clock frequency f ⎯ 2.0 4.5 6.0 ⎯ ⎯ ⎯ 6 31 36 5 25 29 MHz Note 1: For TC74HC161A only Note 2: For TC74HC163A only |
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