74VHC257TTR STMicroelectronics, 74VHC257TTR Datasheet
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74VHC257TTR
Specifications of 74VHC257TTR
Related parts for 74VHC257TTR
74VHC257TTR Summary of contents
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... This device can be 2 MOS technology. used to interface 5V to 3V. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. 74VHC257 SOP TSSOP PACKAGE T & R SOP 74VHC257MTR TSSOP 74VHC257TTR Rev. 4 1/14 ...
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Figure 2: Input Equivalent Circuit Table 3: Truth Table OE SELECT Don’t Care Z : High Impedance Figure 3: Logic Diagram This logic diagram has not be used to estimate propagation delays ...
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Table 4: Absolute Maximum Ratings Symbol V Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current Output Current ...
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Table 6: DC Specifications Symbol Parameter V V High Level Input 2.0 IH Voltage 3.0 to 5.5 V Low Level Input 2.0 IL Voltage 3.0 to 5.5 V High Level Output 2.0 OH Voltage 3.0 4.5 3.0 4.5 V ...
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Table 7: AC Electrical Characteristics (Input t Symbol Parameter V t Propagation Delay 3.3 PLH Time PHL 3.3 5.0 5.0 t Propagation Delay 3.3 PLH Time t PHL 3.3 SELECT to Y 5.0 5.0 t ...
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Table 9: Dynamic Switching Characteristics Symbol Parameter V V Dynamic Low OLP Voltage Quiet 5.0 V OLV Output (note 1, 2) Dynamic High V Voltage Input 5.0 IHD (note 1, 3) Dynamic Low V Voltage Input 5.0 ILD (note ...
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Figure 5: Waveform - Propagation Delays For Inverting Conditions (f=1MHz; 50% duty cycle) Figure 6: Waveform - Propagation Delays For Non-inverting Conditions (f=1MHz; 50% duty cycle) 74VHC257 7/14 ...
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Figure 7: Waveform - Output Enable And Disable Time (f=1MHz; 50% duty cycle) 8/14 ...
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SO-16 MECHANICAL DATA mm. DIM. MIN. TYP 0. 9.8 E 5.8 e 1.27 e3 8.89 F 3.8 G 4 MAX. MIN. 1.75 0.25 0.004 1.64 0.46 ...
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DIM. MIN 0.05 A2 0.8 b 0.19 c 0.09 D 4.9 E 6 0˚ PIN 1 IDENTIFICATION 1 10/14 TSSOP16 MECHANICAL DATA mm. TYP MAX. 1.2 0.15 ...
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Tape & Reel SO-16 MECHANICAL DATA mm. DIM. MIN. TYP A C 12 6.45 Bo 10.3 Ko 2.1 Po 3.9 P 7.9 MAX. MIN. 330 13.2 0.504 0.795 2.362 22.4 6.65 0.254 10.5 0.406 ...
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Tape & Reel TSSOP16 MECHANICAL DATA DIM. MIN 12 6.7 Bo 5.3 Ko 1.6 Po 3.9 P 7.9 12/14 mm. TYP MAX. MIN. 330 13.2 0.504 0.795 2.362 22.4 6.9 0.264 ...
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Table 10: Revision History Date Revision 12-Nov-2004 4 Description of Changes Order Codes Revision - pag. 1. 74VHC257 13/14 ...
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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. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics ...