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MFG:FAIRCHILD  Package Cooled:SOP  D/C:03+  

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Part Number: 74VHCT240A

 

MFG: FAIRCHILD

Package Cooled: SOP

D/C: 03+

Description: The VHCT240A is an advanced high speed CMOS octal bus transceiver fabricated with silicon gate CMOS technology. It achi...


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74VHCT240A General Description


The VHCT240A 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 VHCT240A is an inverting 3-STATE buffer having two active-LOW output enables. This device is designed to be used as 3-STATE memory address drivers, clock drivers, and bus oriented transmitter/receivers. Protection circuits 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.

74VHCT240A Maximum Ratings

Supply Voltage (VCC) ...........................................................-0.5V to +7.0V
DC Input Voltage (VIN)......................................................... -0.5V to +7.0V
DC Output Voltage (VOUT)
(Note 3)....................................................................... -0.5V to VCC + 0.5V
(Note 4)................................................................................-0.5V to +7.0V
Input Diode Current (IIK).................................................................-20 mA
Output Diode Current (IOK) (Note 5).............................................. ±20 mA
DC Output Current (IOUT) ...............................................................±25 mA
DC VCC/GND Current (ICC)............................................................. ±75 mA
Storage Temperature (TSTG)............................................-65°C to +150°C
Lead Temperature (TL)
(Soldering, 10 seconds) ...................................................................260°C

74VHCT240A Features

 High Speed: tPD = 5.6 ns (typ) at VCC = 5V
 Power down protection is provided on inputs and outputs
 Low power dissipation: ICC = 4 A (max) @ TA = 25°C
 Pin and function compatible with 74HCT240

74VHCT240A Connection Diagram

74VHCT240A Connection Diagram

74VHCT240A datasheet

74VHCT240A
PDF/DataSheet Download

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