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74LVX257

Features: HIGH SPEED : tPD = 5.5ns (TYP.) at VCC = 3.3V 5V TOLERANT INPUTS INPUT VOLTAGE LEVEL : VIL=0.8V, VIH=2V at VCC=3VLOW POWER DISSIPATION: ICC = 2 mA (MAX.) at TA=25°C LOW NOISE: VOLP = 0.3V (TYP.) at VCC = 3.3V SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN) VBALANCED PROPAGATION DEL...

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SeekIC No. : 004251616 Detail

74LVX257: Features: HIGH SPEED : tPD = 5.5ns (TYP.) at VCC = 3.3V 5V TOLERANT INPUTS INPUT VOLTAGE LEVEL : VIL=0.8V, VIH=2V at VCC=3VLOW POWER DISSIPATION: ICC = 2 mA (MAX.) at TA=25°C LOW NOISE: VOLP = 0.3V ...

74LVX257 Data Sheet

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Part Number:
74LVX257
Supply Ability:
5000

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  • 1~5000
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  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

 HIGH SPEED : tPD = 5.5ns (TYP.) at VCC = 3.3V
5V TOLERANT INPUTS
INPUT VOLTAGE LEVEL : VIL=0.8V, VIH=2V at VCC=3V
LOW POWER DISSIPATION: ICC = 2 mA (MAX.) at TA=25°C
LOW NOISE: VOLP = 0.3V (TYP.) at VCC = 3.3V
SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN)
    VBALANCED PROPAGATION DELAYS: tPLH @ tPHL
OPERATING VOLTAGE RANGE: VCC(OPR) = 2V to 3.6V (1.2V Data Retention)
PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 138
IMPROVED LATCH-UP IMMUNITY
POWER DOWN PROTECTION ON INPUTS 


Pinout

Connection Diagram


Specifications

Symbol Parameter Value Unit
VCC Supply Voltage -0.5 to +7.0 V
VI DC Input Voltage -0.5 to +7.0 V
VO DC Output Voltage -0.5 to VCC + 0.5 V
IIK DC Input Diode Current -20 mA
IOK DC Output Diode Current ± 20 mA
IO DC Output Current ± 25 mA
ICC or IGND DC VCC or Ground Current ± 50 mA
Tstg Storage Temperature -65 to +150 °C
TL Lead Temperature (10 sec) 300 °C



Description

The 74LVX257 is a low voltage CMOS QUAD 2 CHANNEL MULTIPLEXER (3-STATE) fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. It is ideal for low power, battery operated and low noise 3.3V applications.

It is composed of four independent 2-channel multiplexers with common SELECT and ENABLE (OE) INPUT. The 74LVX257 is a non-inverting multiplexer. When the ENABLE INPUT is held "High", all outputs become in high impedance state. If SELECT INPUT is held "Low", "A" data is selected, when SELECT INPUT is "High", "B" data is chosen. Power down protection of the 74LVX257 is provided on all inputs and 0 to 7V can be accepted on inputs with no regard to the supply voltage.

This 74LVX257 can be used to interface 5V to 3V. It combines high speed performance with the true CMOS low power consumption. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage.




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