CD74HCT20 High Speed CMOS Logic Dual 4-Input NAND Gates | TI.com

CD74HCT20
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High Speed CMOS Logic Dual 4-Input NAND Gates

High Speed CMOS Logic Dual 4-Input NAND Gates - CD74HCT20
Datasheet
 

Description

The ’HC20 and ’HCT20 logic gates utilize silicon gate CMOS technology to achieve operating speeds similar to LSTTL gates with the low power consumption of standard CMOS integrated circuits. All devices have the ability to drive 10 LSTTL loads. The HCT logic family is functionally pin compatible with the standard LS logic family.

Features

  • Buffered Inputs
  • Typical Propagation Delay: 8ns 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 (#) Inputs per channel IOL (Max) (mA) IOH (Max) (mA) Input type Output type Features Rating Data rate (Max) (Mbps) Operating temperature range (C) Package size: mm2:W x L (PKG) Package Group
CD74HCT20 Order now HCT     4.5     5.5     2     4     4     -4     TTL-Compatible CMOS     Push-Pull     High Speed (tpd 10-50ns)     Catalog     25     -55 to 125     14PDIP: 181 mm2: 9.4 x 19.3 (PDIP | 14)
14SOIC: 52 mm2: 6 x 8.65 (SOIC | 14)    
PDIP | 14
SOIC | 14    
CD54HCT20 Samples not available HCT     4.5     5.5         4     -4     Bipolar     Push-Pull       Military       -55 to 125     14CDIP: 130 mm2: 6.67 x 19.56 (CDIP | 14)     CDIP | 14