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SNJ54LS243J Datasheet(PDF) 4 Page - Texas Instruments |
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SNJ54LS243J Datasheet(HTML) 4 Page - Texas Instruments |
4 / 14 page ELECTRICAL CHARACTERISTICS SWITCHING CHARACTERISTICS SN54LS243, SN74LS243 SDLS145A – APRIL 1985 – REVISED JULY 2008 ............................................................................................................................................................. www.ti.com over operating free-air temperature range (unless otherwise noted) SN54LS243 SN74LS243 PARAMETER TEST CONDITIONS(1) UNIT MIN TYP(2) MAX MIN TYP(2) MAX VIK A or B VCC = MIN, II = –18 mA –1.5 –1.5 V Hysteresis (VT+ – VT–) VCC = MIN, 0.2 0.4 0.2 0.4 V VIL = MAX, 2.4 3.1 2.4 3.1 V IOH = –3 mA VOH VCC = MIN, VIH = 2 V, VIL = 0.5 V, 2 2 IOH = MAX VIH = 2 V, IOL = 12 mA 0.25 0.4 0.25 0.4 VCC = MIN, VOL V VIL = MAX IOL = 24 mA 0.35 0.5 VCC = MIN, VIH = 2 V, VO = 2.7 V IOZH 40 40 µA VIL = MAX, VCC = MIN, VIH = 2 V, VO = 0.4 V IOZL –200 –200 µA VIL = MAX, A or B VI = 5.5 V 0.1 0.1 II VCC = MAX, mA GAB or GBA VI = 7 V 0.1 0.1 IIH VCC = MAX, 20 20 µA VCC = MAX, VI = 0.4 V, A inputs –0.2 –0.2 GAB and GBA at 0 V IIL VCC = MAX, VI = 0.4 V, mA B inputs –0.2 –0.2 GAB and GBA at 4.5 V GAB or GBA VCC = MAX, VI = 0.4 V, –0.2 –0.2 IOS VCC = MAX –40 –225 –40 –225 mA Outputs high 22 38 22 38 Outputs low VCC = MAX, 29 50 29 50 ICC Outputs open, mA (3) All outputs 32 54 32 54 disabled (1) For conditions shown as MIN or MAX, use the appropriate value specified under "recommended operating conditions." (2) All typical values are at VCC = 5 V, TA = 25°C. (3) ICC is measured with transceivers eabled in one direction only, or with all transceivers disabled. VCC = 5 V, TA = 25°C SN54LS243 SN74LS243 PARAMETER TEST CONDITIONS UNIT MIN TYP MAX MIN TYP MAX tPLH 9 14 12 18 ns tPHL 12 18 12 18 ns RL = 667 Ω, CL = 45 pF tPZL 20 30 20 30 ns tPZH 15 23 15 23 ns tPLZ 10 20 10 20 ns RL = 667 Ω, CL = 5 pF tPHZ 15 25 15 25 ns 4 Submit Documentation Feedback Copyright © 1985–2008, Texas Instruments Incorporated Product Folder Link(s): SN54LS243 SN74LS243 |
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