CD74HCT540 High Speed CMOS Logic Octal Inverting Buffers and Line Drivers with 3-State Outputs | TI.com

CD74HCT540
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High Speed CMOS Logic Octal Inverting Buffers and Line Drivers with 3-State Outputs

 

Description

The ’HC540 and CD74HCT540 are Inverting Octal Buffers and Line Drivers with Three-State Outputs and the capability to drive 15 LSTTL loads. The ’HC541 and ’HCT541 are Non-Inverting Octal Buffers and Line Drivers with Three-State Outputs that can drive 15 LSTTL loads. The Output Enables (OE1\) and (OE2\) control the Three-State Outputs. If either OE1\ or OE2\ is HIGH the outputs will be in the high impedance state. For data output OE1\ and OE2\ both must be LOW.

Features

  • ’HC540, CD74HCT540 . . . . . . Inverting
  • ’HC541, ’HCT541. . . . . . . . .Non-Inverting
  • Buffered Inputs
  • Three-State Outputs
  • Bus Line Driving Capability
  • Typical Propagation Delay = 9ns at VCC = 5V, CL = 15pF, TA = 25°C
  • Fanout (Over Temperature Range)
    • Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads
    • Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
  • Wide Operating Temperature Range . . . –55°C to 125°C
  • Balanced Propagation Delay and Transition Times
  • Significant Power Reduction Compared to LSTTL Logic ICs
  • HC Types
    • 2V to 6V Operation
    • High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
  • HCT Types
    • 4.5V to 5.5V Operation
    • Direct LSTTL Input Logic Compatibility, VIL = 0.8V (Max), VIH = 2V (Min)
    • CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH

Parametrics

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Part number Order Technology Family VCC (Min) (V) VCC (Max) (V) Channels (#) IOL (Max) (mA) IOH (Max) (mA) ICC (uA) Input type Output type Features Data rate (Mbps) Rating Package Group
CD74HCT540 Order now HCT     4.5     5.5     8     7.8     -7.8     160     TTL-Compatible CMOS     3-State     Balanced outputs
High speed (tpd 10-50ns)
Input clamp diode    
50     Catalog     PDIP | 20
SOIC | 20