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- 2012-01-04
Featured CD54HC21 manuals
Texas Instruments CD54HC21 / CD74HC21 / CD74HCT21 Dual 4-Input AND Gate Datasheet
The CD54HC21, CD74HC21 and CD74HCT21 are high‑speed CMOS dual 4‑input AND gates offered in CERDIP, PDIP and SOIC packages. They provide buffered inputs, low power consumption and are compatible with standard LSTTL loads.
The document lists electrical characteristics such as a typical propagation delay of 9 ns, fan‑out of 10 LSTTL loads, operating temperature range from –55 °C to 125 °C, and supply voltage ranges of 2 V‑6 V (HC) or 4.5 V‑5.5 V (HCT). Mechanical drawings for the various package styles and handling cautions are also included.
Covers: Features · Ordering Information · Pinout · Absolute Maximum Ratings · Operating Conditions · DC Electrical Specifications
Latest CD54HC21 manuals
Texas Instruments CD54HC21 / CD74HC21 / CD74HCT21 Dual 4-Input AND Gate Datasheet
Datasheet 9 pages · 138 KB · ENDatasheet for Texas Instruments CD54HC21, CD74HC21 and CD74HCT21 dual 4‑input AND gates, covering features, ratings and mechanical data.
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Datasheet
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in CD54HC21 manuals
What is the typical propagation delay of the device?
The typical propagation delay is 9 ns at Vcc = 5 V, CL = 15 pF and Ta = 25 °C.
From: Texas Instruments CD54HC21 / CD74HC21 / CD74HCT21 Dual 4-Input AND Gate Datasheet
What is the fan‑out capability for standard outputs?
Standard outputs can drive up to 10 LSTTL loads.
From: Texas Instruments CD54HC21 / CD74HC21 / CD74HCT21 Dual 4-Input AND Gate Datasheet