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SN74ABT273PWE4 Datasheet(PDF) 3 Page - Texas Instruments |
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SN74ABT273PWE4 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 16 page SN54ABT273, SN74ABT273 OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR SCBS185B – FEBRUARY 1991 – REVISED JANUARY 1997 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) SN54ABT273 SN74ABT273 UNIT MIN MAX MIN MAX UNIT VCC Supply voltage 4.5 5.5 4.5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V VI Input voltage 0 VCC 0 VCC V IOH High-level output current –24 –32 mA IOL Low-level output current 48 64 mA ∆t/∆v Input transition rise or fall rate 10 10 ns/V TA Operating free-air temperature –55 125 –40 85 °C NOTE 3: Unused inputs must be held high or low to prevent them from floating. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS TA = 25°C SN54ABT273 SN74ABT273 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 Vhys 100 mV 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 –200§ –50 –200§ –50 –200§ mA ICC VCC = 5.5 V, IO = 0, Outputs high 1 400§ 400§ 400§ 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 7 pF * On products compliant to MIL-PRF-38535, 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 data sheet limit may vary among suppliers. ¶ This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND. |
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