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74LV109DB bảng dữ liệu(PDF) 4 Page - NXP Semiconductors |
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4 / 12 page Philips Semiconductors Product specification 74LV109 Dual JK flip-flop with set and reset; positive-edge trigger 1998 Apr 20 4 FUNCTION TABLE OPERATING MODES INPUTS OUTPUTS OPERATING MODES nSD nRD nCP nJ nK nQ nQ Asynchronous set L H X X X H L Asynchronous reset H L X X X L H Undetermined L L X X X H H Toggle H H ↑ h l q q Load “0” (reset) H H ↑ l l L H Load “1” (set) H H ↑ h h H L Hold “no change” H H ↑ l h q q NOTES: H = HIGH voltage level h = HIGH voltage level one set-up time prior to the LOW-to-HIGH CP transition L = LOW voltage level I = LOW voltage level one set-up time prior to the LOW-to-HIGH CP transition q = lower case letters indicate the state of the referenced output one set-up time prior to the LOW-to-HIGH CP transition. X = don’t care ↑ = LOW-to-HIGH CP transition RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER CONDITIONS MIN TYP. MAX UNIT VCC DC supply voltage See Note 1 1.0 3.3 3.6 V VI Input voltage 0 – VCC V VO Output voltage 0 – VCC V Tamb Operating ambient temperature range in free air See DC and AC characteristics -40 -40 +85 +125 °C tr, tf Input rise and fall times except for Schmitt-trigger inputs VCC = 1.0V to 2.0V VCC = 2.0V to 2.7V VCC = 2.7V to 3.6V – – – – – – 500 200 100 ns/V NOTE: 1. The LV is guaranteed to function down to VCC = 1.0V (input levels GND or VCC); DC characteristics are guaranteed from VCC = 1.2V to VCC = 3.6V. ABSOLUTE MAXIMUM RATINGS1, 2 In accordance with the Absolute Maximum Rating System (IEC 134). Voltages are referenced to GND (ground = 0V). SYMBOL PARAMETER CONDITIONS RATING UNIT VCC DC supply voltage –0.5 to +4.6 V "IIK DC input diode current VI < –0.5 or VI > VCC + 0.5V 20 mA "IOK DC output diode current VO < –0.5 or VO > VCC + 0.5V 50 mA "IO DC output source or sink current – standard outputs –0.5V < VO < VCC + 0.5V 25 mA "IGND, "ICC DC VCC or GND current for types with – standard outputs 50 mA Tstg Storage temperature range –65 to +150 °C PTOT Power dissipation per package – plastic DIL – plastic mini-pack (SO) – plastic shrink mini-pack (SSOP and TSSOP) for temperature range: –40 to +125 °C above +70 °C derate linearly with 12 mW/K above +70 °C derate linearly with 8 mW/K above +60 °C derate linearly with 5.5 mW/K 750 500 400 mW NOTE: 1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 2. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. |
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