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SN74ALVCH162268DLR 데이터시트(PDF) 8 Page - Texas Instruments |
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SN74ALVCH162268DLR 데이터시트(HTML) 8 Page - Texas Instruments |
8 / 18 page www.ti.com TIMING REQUIREMENTS SWITCHING CHARACTERISTICS OPERATING CHARACTERISTICS SN74ALVCH162268 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER WITH 3-STATE OUTPUTS SCES018L – AUGUST 1995 – REVISED SEPTEMBER 2004 over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) VCC = 2.5 V VCC = 3.3 V VCC = 2.7 V ± 0.2 V ± 0.3 V UNIT MIN MAX MIN MAX MIN MAX fclock Clock frequency 120 125 150 MHz tw Pulse duration, CLK high or low 3.3 3.3 3.3 ns A data before CLK ↑ 4.5 4 3.4 B data before CLK ↑ 0.8 1.2 1 SEL before CLK ↑ 1.4 1.6 1.3 tsu Setup time ns CLKENA1 or CLKENA2 before CLK ↑ 3.6 3.4 2.8 CLKEN1B or CLKEN2B before CLK ↑ 3.2 3 2.5 OE before CLK ↑ 4.2 3.9 3.2 A data after CLK ↑ 0 0 0.2 B data after CLK ↑ 1.3 1.2 1.3 SEL after CLK ↑ 1 1 1 th Hold time ns CLKENA1 or CLKENA2 after CLK ↑ 0.1 0.1 0.4 CLKEN1B or CLKEN2B after CLK ↑ 0.1 0 0.5 OE after CLK ↑ 0 0 0.2 over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) VCC = 2.5 V VCC = 3.3 V VCC = 1.8 V VCC = 2.7 V FROM TO ± 0.2 V ± 0.3 V PARAMETER UNIT (INPUT) (OUTPUT) TYP MIN MAX MIN MAX MIN MAX fmax 120 125 150 MHz B 8 1.6 6.1 5.9 1.8 5.4 A (1B) 8 1.6 5.8 5.4 1.7 4.8 tpd CLK ns A (2B) 8 1.6 5.8 5.3 1.8 4.8 A (SEL) 11 2.5 7.3 6.5 2.4 5.8 B 12 2.7 7.2 6.8 2.6 6.1 ten CLK ns A 9 2 6.2 5.6 1.8 5.1 B 10 2.8 7.2 6.1 2.5 5.9 tdis CLK ns A 9 2 6.5 5.4 2.1 5 T A = 25°C VCC = 2.5 V VCC = 3.3 V PARAMETER TEST CONDITIONS UNIT TYP TYP Outputs enabled 87 120 Cpd Power dissipation capacitance CL = 50 pF, f = 10 MHz pF Outputs disabled 80.5 118 8 |
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