74HC21 datasheet, 74HC21 pdf, 74HC21 data sheet, datasheet, data sheet, pdf, Philips, Dual 4-input AND gate. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†. Supply voltage range, VCC. − V to 7 V. 74HC21 74HC/HCT21; Dual 4-input And Gate;; Package: SOT (SO14), SOT (DIP14), SOT (SSOP14). For a complete data sheet, please also . Author: Dunris Mozuru...