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74FCT162543ETPVCT データシート(PDF) 3 Page - Texas Instruments |
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74FCT162543ETPVCT データシート(HTML) 3 Page - Texas Instruments |
3 / 8 page CY74FCT16543T CY74FCT162543T CY74FCT162H543T 3 Electrical Characteristics Over the Operating Range Parameter Description Test Conditions Min. Typ.[5] Max. Unit VIH Input HIGH Voltage 2.0 V VIL Input LOW Voltage 0.8 V VH Input Hysteresis[6] 100 mV VIK Input Clamp Diode Voltage VCC=Min., IIN=−18 mA −0.7 −1.2 V IIH Input HIGH Current VCC=Max., VI=VCC ±1 µA IIL Input LOW Current VCC=Max., VI=GND ±1 µA IOZH High Impedance Output Cur- rent (Three-State Output pins) VCC=Max., VOUT=2.7V ±1 µA IOZL High Impedance Output Cur- rent (Three-State Output pins) VCC=Max., VOUT=0.5V ±1 µA IOS Short Circuit Current[7] VCC=Max., VOUT=GND −80 −140 −200 mA IO Output Drive Current[7] VCC=Max., VOUT=2.5V −50 −180 mA IOFF Power-Off Disable VCC=0V, VOUT≤4.5V [8] ±1 µA Notes: 1. A-to-B data flow shown; B-to-A flow control is the same, except using CEBA, LEBA, and OEBA. 2. Data prior to LEAB LOW-to-HIGH Transition H = HIGH Voltage Level. L = LOW Voltage Level. X = Don’t Care. Z = High Impedance. 3. Operation beyond the limits set forth may impair the useful life of the device. Unless otherwise noted, these limits are over the operating free-air temperature range. 4. Unused inputs must always be connected to an appropriate logic voltage level, preferably either VCC or ground. 5. Typical values are at VCC= 5.0V, TA= +25˚C ambient. 6. This parameter is specified but not tested. 7. 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 in order to minimize internal chip heating and more accurately reflect operational values. Otherwise prolonged shorting of a high output may raise the chip temperature well above normal and thereby cause invalid readings in other parametric tests. In any sequence of parameter tests, IOS tests should be performed last. 8. Tested at +25˚C. 9. On the 74FCT162H543T, these pins have bus hold. |
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同様の説明 - 74FCT162543ETPVCT |
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