Home Products Logic HC Series Dual 4-input AND gate-EM74HC21; EM74HCT21

EM74HC21; EM74HCT21

Dual 4-input AND gate-EM74HC21; EM74HCT21

Product details

Technology family HC(T)
Number of channels 2
Inputs per channel 4
Supply voltage (min) (V) 2
Supply voltage (max) (V) 6
IOL (max) (mA) 5.2
IOH (max) (mA) -5.2
Output type Push-Pull
Input type Standard CMOS
Features High noise immunity;High speed (tpd 10- 50ns)
Rating Catalog
Operating temperature range (°C) -40 to 125
EM74HC21D;EM74HCT21D SOP-14L plastic small outline package; 14 leads;body width 3.9 mm
EM74HC21PW;EM74HCT21PW TSSOP-14L plastic thin shrink small outline package; 14 leads;body width 4.4 mm
  • Wide supply voltage range from 2.0 V to 6.0 V
  • High noise immunity
  • CMOS low power dissipation
  • Latch-up performance exceeds 250 mA
  • Complies with JEDEC standards:
  • • JESD8C (2.7 V to 3.6 V)
  • • JESD7A (2.0 V to 6.0 V)
  • Input levels:
  • • For EM74HC21: CMOS level
  • • For EM74HCT21: TTL level
  • ESD protection:
  • • HBM ANSI/ESDA/JEDEC JS-001 Class 2 exceeds 3500 V
  • • CDM ANSI/ESDA/JEDEC JS-002 Class C3 exceeds 2000 V
  • Multiple package options

The EM74HC21; EM74HCT21 is a dual 4-input AND gate. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

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EM74HC08; EM74HCT08
Supply in progress

This product has been launched and is available for purchase. Newer alternatives to certain products can be provided.

Quad 2-input AND gate-EM74HC08; EM74HCT08

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Dual 4-input AND gate-EM74HC21; EM74HCT21