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74VHCT245A

Features: High Speed: tPD 5.4 ns (typ) at VCC 5VPower Down Protection on Inputs and OutputsLow Power Dissipation: ICC 4 PA (Max) @ TA 25qCPin and Function Compatible with 74HCT245SpecificationsSupply Voltage (VCC) .........................-0.5V to +7.0VDC Input Voltage (VIN) .........................

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SeekIC No. : 004251925 Detail

74VHCT245A: Features: High Speed: tPD 5.4 ns (typ) at VCC 5VPower Down Protection on Inputs and OutputsLow Power Dissipation: ICC 4 PA (Max) @ TA 25qCPin and Function Compatible with 74HCT245SpecificationsSuppl...

74VHCT245A Data Sheet

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Part Number:
74VHCT245A
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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Product Details

Description



Features:

High Speed: tPD   5.4 ns (typ) at VCC   5V
Power Down Protection on Inputs and Outputs
Low Power Dissipation: ICC   4 PA (Max) @ TA   25qC
Pin and Function Compatible with 74HCT245


Specifications

Supply Voltage (VCC) .........................-0.5V to +7.0V
DC Input Voltage (VIN) .........................-0.5V to 7.0V
Output Voltage (VOUT)
     (Note 3)..................................-0.5V to VCC +0.5V
     (Note 4).........................................-0.5V to +7.0V
DC Input Diode Current (IIK)..........................-20 mA
DC Output Diode Current (IOK) (Note 5)........±20 mA
DC Output Current(IOut) ...............................±25 mA
DC VCC or GND Current (ICC)........................ ±75 mA
Storage Temperature Range(TSTG).-65°C to +150°C
Lead Temperature (TL)
    (Soldering, 10 seconds) ..............................260°C
Supply Voltage (VCC).............................4.5V to+5.5V
Input Voltage (VIN)..................................0V to +5.5V
Output Voltage (VOUT)
     (Note 3).................................................0V to VCC
     (Note 4)............................................. 0V to +5.5V
Operating Temperature (TOPR)........ -40oC to +85oC
Input Rise and Fall Time (tr, tf)
     VCC= 5.0V ± 0.5V....................... 0 ns/V a 20 ns/V
Note 2: Absolute Maximum Ratings are values beyond which the device may be damaged or have its useful life impaired. The databook specifications should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, and output/input loading variables. Fairchild does not recommend operation outside databook specifications.
Note 3:  HIGH or LOW state. IOUT absolute maximum rating must be observed.
Note 4: When outputs are in OFF-State or when VCC= OV.
Note 5: VOUT< GND, VOUT >VCC (Outputs Active).
Note 6: Unused inputs must be held HIGH or LOW. They may not float.


Description

The 74VHCT245A is an advanced high speed CMOS octal bus transceiver fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. The VHCT245A is intended for bidirectional asynchronous communication between data busses. The direction of data transmission is determined by the level of the T/R input. The enable input can be used to disable the device so that the busses are effectively isolated.

Protection circuits of the 74VHCT245A ensure that 0V to 7V can be applied to the input and output (Note 1) pins without regard to the supply voltage. These circuits prevent device destruction due to mismatched supply and input/output voltages. This device can be used to interface 5V to 3V systems and two supply systems such as battery back up.




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