m54hc257k1 STMicroelectronics, m54hc257k1 Datasheet
m54hc257k1
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m54hc257k1 Summary of contents
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... When the ENABLE input is held "High", outputs of the IC become in a High-Impedance state. If SELECT input is held low, "A" data is selected, when SELECT is high, "B" data is chosen. All inputs are equipped with protection circuits against static discharge and transient excess voltage. FPC-16 EM M54HC257D1 M54HC257K1 1/10 ...
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M54HC257 IEC LOGIC SYMBOLS INPUT AND OUTPUT EQUIVALENT CIRCUIT TRUTH TABLE OE SELECT Don’t Care Z : High Impedance 2/10 PIN DESCRIPTION PIN N° 14 13 ...
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LOGIC DIAGRAM This logic diagram has not be used to estimate propagation delays ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage Input Voltage Output Voltage Input Diode Current Output ...
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M54HC257 RECOMMENDED OPERATING CONDITIONS Symbol V Supply Voltage CC V Input Voltage I V Output Voltage O T Operating Temperature op Input Rise and Fall Time SPECIFICATIONS Symbol Parameter V V High Level Input ...
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AC ELECTRICAL CHARACTERISTICS (C Symbol Parameter Output Transition TLH THL Time t t Propagation Delay PLH PHL Time ( Propagation Delay PLH PHL Time (SELECT - High Impedance PZL ...
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M54HC257 TEST CIRCUIT PLH PHL PZL PLZ PZH PHZ C = 50pF/150pF or equivalent (includes jig and probe capacitance equivalent pulse ...
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WAVEFORM 2:OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle) M54HC257 7/10 ...
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M54HC257 DIM. MIN. A 2.1 a1 3.00 a2 0.63 B 1.82 b 0.40 b1 0.20 D 20. 17.65 e3 7. 10.90 L 1.14 8/10 DILC-16 MECHANICAL DATA mm. TYP MAX. 2.71 3.70 ...
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FPC-16 MECHANICAL DATA DIM. MIN. A 6.75 B 9.76 C 1.49 D 0.102 0.127 E 8. 0.38 H 6.0 L 18. mm. TYP MAX. MIN. 6.91 7.06 0.266 9.94 ...
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... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied ...