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CY54FCT157T Datasheet(PDF) 4 Page - Texas Instruments |
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CY54FCT157T Datasheet(HTML) 4 Page - Texas Instruments |
4 / 11 page CY54FCT157T, CY74FCT157T QUAD 2-INPUT MULTIPLEXERS WITH 3-STATE OUTPUTS SCCS014B – MAY 1994 – REVISED NOVEMBER 2001 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 2) CY54FCT157T CY74FCT157T UNIT MIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 4.75 5 5.25 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V IOH High-level output current –12 –32 mA IOL Low-level output current 32 64 mA TA Operating free-air temperature –55 125 –40 85 °C NOTE 2: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS CY54FCT157T CY74FCT157T UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT VIK VCC = 4.5 V, IIN = –18 mA –0.7 –1.2 V VIK VCC = 4.75 V, IIN = –18 mA –0.7 –1.2 V VCC = 4.5 V, IOH = –12 mA 2.4 3.3 VOH VCC 475 V IOH = –32 mA 2 V VCC = 4.75 V IOH = –15 mA 2.4 3.3 VOL VCC = 4.5 V, IOL = 32 mA 0.3 0.55 V VOL VCC = 4.75 V, IOL = 64 mA 0.3 0.55 V Vhys All inputs 0.2 0.2 V II VCC = 5.5 V, VIN = VCC 5 µA II VCC = 5.25 V, VIN = VCC 5 µA IIH VCC = 5.5 V, VIN = 2.7 V ±1 µA IIH VCC = 5.25 V, VIN = 2.7 V ±1 µA IIL VCC = 5.5 V, VIN = 0.5 V ±1 µA IIL VCC = 5.25 V, VIN = 0.5 V ±1 µA IOZH VCC = 5.5 V, VOUT = 2.7 V 10 µA IOZH VCC = 5.25 V, VOUT = 2.7 V 10 µA IOZL VCC = 5.5 V, VOUT = 0.5 V –10 µA IOZL VCC = 5.25 V, VOUT = 0.5 V –10 µA IOS‡ VCC = 5.5 V, VOUT = 0 V –60 –120 –225 mA IOS‡ VCC = 5.25 V, VOUT = 0 V –60 –120 –225 mA Ioff VCC = 0 V, VOUT = 4.5 V ±1 ±1 µA ICC VCC = 5.5 V, VIN ≤ 0.2 V, VIN ≥ VCC – 0.2 V 0.1 0.2 mA ICC VCC = 5.25 V, VIN ≤ 0.2 V, VIN ≥ VCC – 0.2 V 0.1 0.2 mA ∆ICC VCC = 5.5 V, VIN = 3.4 V§, f1 = 0, Outputs open 0.5 2 mA ∆ICC VCC = 5.25 V, VIN = 3.4 V§, f1 = 0, Outputs open 0.5 2 mA † Typical values are at VCC = 5 V, TA = 25°C. ‡ Not more than one output should be shorted at a time. Duration of short should not exceed one second. The use of high-speed test apparatus and/or sample-and-hold techniques are preferable to minimize internal chip heating and more accurately reflect operational values. Otherwise, prolonged shorting of a high output can raise the chip temperature well above normal and cause invalid readings in other parametric tests. In any sequence of parameter tests, IOS tests should be performed last. § Per TTL-driven input (VIN = 3.4 V); all other inputs at VCC or GND |
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