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74VHC238

Features: `HIGHSPEED: tPD =5.5ns (TYP.) at VCC = 5V`LOWPOWERDISSIPATION: ICC =4 A (MAX.) at TA =25 `HIGHNOISEIMMUNITY: VNIH=VNIL =28%VCC (MIN.)`POWERDOWN PROTECTIONON INPUTS`SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 8 mA(MIN)`BALANCEDPROPAGATIONDELAYS: tPLH @ tPHL`OPERATINGVOLTAGERANGE: VCC (OPR...

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SeekIC No. : 004251877 Detail

74VHC238: Features: `HIGHSPEED: tPD =5.5ns (TYP.) at VCC = 5V`LOWPOWERDISSIPATION: ICC =4 A (MAX.) at TA =25 `HIGHNOISEIMMUNITY: VNIH=VNIL =28%VCC (MIN.)`POWERDOWN PROTECTIONON INPUTS`SYMMETRICAL OUTPUT IMPED...

74VHC238 Data Sheet

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Part Number:
74VHC238
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/21

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Product Details

Description



Features:

`HIGHSPEED: tPD =5.5ns (TYP.) at VCC = 5V
`LOWPOWERDISSIPATION: ICC =4 A (MAX.) at TA =25
`HIGHNOISEIMMUNITY: VNIH=VNIL =28%VCC (MIN.)
`POWERDOWN PROTECTIONON INPUTS
`SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 8 mA(MIN)
`BALANCEDPROPAGATIONDELAYS: tPLH @ tPHL
`OPERATINGVOLTAGERANGE: VCC (OPR)= 2V to 5.5V
`PINANDFUNCTION COMPATIBLEWITH 74 SERIES238
`IMPROVEDLATCH-UP IMMUNITY


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER Value UNIT
VCC Supply voltagee 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 ± 70 mA
Tstg Storage temperature 65 to 150

TL		 Lead Temperature (10 sec) 300

AbsoluteMaximumRatingsarethose values beyond whichdamage to the device may occur. Functional operation under these condition isnot implied.



Description

The 74VHC238 is an advanced high-speed CMOS 3 TO 8 LINE DECODER fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology.

If the device is enabled, 3 binary select inputs (A, B and C) determine which one of the outputs will go high. If enable input G1 is held low or either G2A or G2B is held high, decoding function is inhibited and all the 8 outputsgo to low.

Three enable inputs are provided to ease cascade connection and application of this address decoders for memory systems.

Power down protection of the 74VHC238 is provided on all inputs and 0 to 7V can be accepted on inputs with no regard to the supply voltage. This device can be used to interface 5V to 3V.

All inputs and outputs of the 74VHC238 are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage.




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