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HD74LV166A Datasheet(PDF) 6 Page - Renesas Technology Corp |
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HD74LV166A Datasheet(HTML) 6 Page - Renesas Technology Corp |
6 / 10 page HD74LV166A Rev.3.00 Jun. 04, 2004 page 6 of 9 Switching Characteristics VCC = 2.5 ± 0.2 V Ta = 25°C Ta = –40 to 85°C Item Symbol Min Typ Max Min Max Unit Test Conditions FROM (Input) TO (Output) 50 80 — 45 — CL = 15 pF Maximum clock frequency fmax 40 65 — 35 — MHz CL = 50 pF — 12.2 19.8 1.0 22.0 CL = 15 pF tPLH/tPHL — 15.3 23.3 1.0 26.0 CL = 50 pF CLK — 10.8 16.0 1.0 18.0 CL = 15 pF Propagation delay time tPHL — 14.2 19.5 1.0 22.0 ns CL = 50 pF CLR QH 6.0 ——7.0 — CLR inactive before CLK ↑ 7.0 — — 7.0 — CLK INH before CLK ↑ 6.5 — — 8.5 — Data before CLK ↑ 7.0 ——8.5 — SH/ LD high before CLK ↑ Setup time tsu 8.5 ——9.5 — ns SER before CLK ↑ Hold time th –0.5 — — 0.0 — ns PAR data after SH/ LD ↑ –0.5 — — 0.0 — SER data after CLK ↑ –0.5 — — 0.0 — SH/LD high after CLK ↑ Pulse width tw 8.0 ——9.0 — ns CLR low 8.5 — — 9.0 — CLK H or L VCC = 3.3 ± 0.3 V Ta = 25°C Ta = –40 to 85°C Item Symbol Min Typ Max Min Max Unit Test Conditions FROM (Input) TO (Output) 65 115 — 55 — CL = 15 pF Maximum clock frequency fmax 60 90 — 50 — MHz CL = 50 pF — 8.6 15.4 1.0 18.0 CL = 15 pF tPLH/tPHL — 10.9 18.9 1.0 21.5 CL = 50 pF CLK — 7.9 12.5 1.0 15.0 CL = 15 pF Propagation delay time tPHL — 10.4 16.3 1.0 18.5 ns CL = 50 pF CLR QH 4.0 ——4.0 — CLR inactive before CLK ↑ 5.0 — — 5.0 — CLK INH before CLK ↑ 5.0 — — 6.0 — Data before CLK ↑ 5.0 ——6.0 — SH/ LD high before CLK ↑ Setup time tsu 5.0 ——6.0 — ns SER before CLK ↑ 0.0 — — 0.0 — PAR data after SH/ LD ↑ 0.0 — — 0.0 — SER data after CLK ↑ Hold time th 0.0 ——0.0 — ns SH/LD high after CLK ↑ 6.0 ——7.0 — CLR low Pulse width tw 6.0 ——7.0 — ns CLK H or L |
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