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

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Part Number: 74LCXZ2245

 

MFG: FAIRCHILD

Package Cooled: TSSOP

D/C: 03+

Description: The LCXZ2245 contains eight non-inverting bidirectional buffers with 3-STATE outputs and is intended for bus oriented a...


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74LCXZ2245 General Description


The LCXZ2245 contains eight non-inverting bidirectional buffers with 3-STATE outputs and is intended for bus oriented applications. The device is designed for low voltage (2.7V and 3.3V) VCC applications with capability of interfacing to a 5V signal environment. The T/R input determines the direction of data flow through the device. The OE input disables both the A and B ports by placing them in a high impedance state. The 26Ω series resistor in the B Port output helps reduce output overshoot and undershoot.
The LCXZ2245 is fabricated with an advanced CMOS technology to achieve high speed operation while maintaining CMOS low power dissipation.
When VCC is between 0 and 1.5V, the LCXZ2245 is on the high impedance state during power up or power down. This places the outputs in the high impedance (Z) state preventing intermittent low impedance loading or glitching in bus oriented applications.

74LCXZ2245 Maximum Ratings

Symbol Parameter Value Conditions Units
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 +7.0
−0.5 to VCC + 0.5		 Output in 3-STATE
Output in HIGH or LOW State (Note 4)		 V
IIK DC Input Diode Current −50 VI < GND mA
IOK DC Output Diode Current −50
+50		 VO < GND
VO > VCC		 mA
IO DC Output Source/Sink Current ±50   mA
ICC DC Supply Current per Supply Pin ±100   mA
IGND DC Ground Current per Ground Pin ±100   mA
TSTG Storage Temperature −65 to +150   °C

74LCXZ2245 Features

`5V tolerant inputs and outputs
`2.7V3.6V VCC specifications provided
`7.0 ns tPD max (VCC = 3.3V), 10 µA ICC max
`Power down high impedance inputs and outputs
`Supports live insertion/withdrawal (Note 1)
`±12 mA output drive on the B Port (VCC = 3.0V)
`Implements patented noise/EMI reduction circuitry
`Latch-up performance exceeds 500 mA
`Equivalent 26Ω series resistor on all B Port outputs
`ESD performance:Human body model > 2000V Machine model > 200V

74LCXZ2245 Connection Diagram

74LCXZ2245 Connection Diagram

74LCXZ2245 datasheet

74LCXZ2245
PDF/DataSheet Download

  • Datasheet: 74LCXZ2245
  • File Size: 109806 KB
  • Manufacturer: FAIRCHILD [Fairchild Semiconductor]
  • Click here to Download

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