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SN74ABT377AN Scheda tecnica(PDF) 4 Page - Texas Instruments |
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SN74ABT377AN Scheda tecnica(HTML) 4 Page - Texas Instruments |
4 / 14 page SN54ABT377, SN74ABT377 OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLOCK ENABLE SCBS156B – FEBRUARY 1991 – REVISED JULY 1994 2–4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS TA = 25°C SN54ABT377 SN74ABT377 UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN MAX MIN MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.2 –1.2 –1.2 V VCC = 4.5 V, IOH = – 3 mA 2.5 2.5 2.5 VOH VCC = 5 V, IOH = – 3 mA 3 3 3 V VOH VCC =4 5V IOH = – 24 mA 2 2 V VCC = 4.5 V IOH = – 32 mA 2* 2 VOL VCC =4 5V IOL = 48 mA 0.55 0.55 V VOL VCC = 4.5 V IOL = 64 mA 0.55* 0.55 V II VCC = 5.5 V, VI = VCC or GND ±1 ±1 ±1 µA Ioff VCC = 0, VI or VO ≤ 4.5 V ±100 ±100 µA ICEX VCC = 5.5 V, VO = 5.5 V Outputs high 50 50 50 µA IO‡ VCC = 5.5 V, VO = 2.5 V –50 –100 –180 –50 –180 –50 –180 mA ICC VCC = 5.5 V, IO = 0, Outputs high 1 250 250 250 µA ICC CC , O , VI = VCC or GND Outputs low 24 30 30 30 mA ∆ICC§ VCC = 5.5 V, One input at 3.4 V, Other inputs at VCC or GND 1.5 1.5 1.5 mA Ci VI = 2.5 V or 0.5 V 3 pF * On products compliant to MIL-STD-883, Class B, this parameter does not apply. † All typical values are at VCC = 5 V. ‡ Not more than one output should be tested at a time, and the duration of the test should not exceed one second. § This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND. timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) VCC = 5 V, TA = 25°C SN54ABT377 SN74ABT377 UNIT MIN MAX MIN MAX MIN MAX fclock Clock frequency 0 150 0 150 0 150 MHz tw Pulse duration CLK high or low 3.3 3.3 3.3 ns t Setup time before CLK ↑ Data high or low 2 2.5 2 ns tsu Setup time before CLK ↑ CLKEN high or low 3 3 3 ns th Hold time after CLK ↑ Data high or low 1.8¶ 1.8¶ 1.8¶ ns th Hold time after CLK ↑ CLKEN high or low 1.8¶ 1.8¶ 1.8¶ ns ¶ This data sheet limit may vary among suppliers. switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V, TA = 25°C SN54ABT377 SN74ABT377 UNIT (INPUT) (OUTPUT) MIN TYP MAX MIN MAX MIN MAX fmax 150 150 150 MHz tPLH CLK Q 2.2 4.5 6 2.2 7 2.2 6.5 ns tPHL CLK Q 3.1 5.3 6.8 2 7.6 3.1 7.3 ns |
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