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SN74ABT543DBLE Datasheet(PDF) 4 Page - Texas Instruments |
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SN74ABT543DBLE Datasheet(HTML) 4 Page - Texas Instruments |
4 / 7 page SN54ABT543, SN74ABT543 OCTAL REGISTERED TRANSCEIVERS WITH 3STATE OUTPUTS SCBS157A − JANUARY 1991 − REVISED JULY 1994 2−4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 recommended operating conditions (see Note 3) SN54ABT543 SN74ABT543 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 Outputs enabled 5 5 ns / V TA Operating free-air temperature −55 125 −40 85 °C NOTE 3: Unused or floating pins (input or I/O) must be held high or low. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS TA = 25°C SN54ABT543 SN74ABT543 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 = 4.5 V IOH = −24 mA 2 2 V VCC = 4.5 V IOH = − 32 mA 2* 2 VOL VCC = 4.5 V 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, Control inputs ±1 ±1 ±1 A II VCC = 5.5 V, VI = VCC or GND A or B ports ±100 ±100 ±100 µA IOZH‡ VCC = 5.5 V, VO = 2.7 V 10§ 10§ 10§ µA IOZL‡ VCC = 5.5 V, VO = 0.5 V −10§ −10§ −10§ 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 VCC = 5.5 V, Outputs high 1 250 250 250 µA ICC VCC = 5.5 V, IO = 0, A or B ports Outputs low 24 34§ 34§ 34§ mA IO = 0, VI = VCC or GND Outputs disabled 0.5 250 250 250 µA ∆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 Control inputs 4 pF Cio VO = 2.5 V or 0.5 V A or B ports 7 pF * On products compliant to MIL-STD-883, Class B, this parameter does not apply. † All typical values are at VCC = 5 V. ‡ The parameters IOZH and IOZL include the input leakage current. § This data sheet limit may vary among suppliers. ¶ 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. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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