HEF4538BP. Assembly/installation: PCB through-hole mounting. Equivalents: HCF4538BE, MC14538BCPG, XD14538. Function: double monostable, multivibrator. Housing (according to data sheet): DIP-16. Housing: DIP. Number of terminals: 16. RoHS: yes. Series: CMOS. Original product from manufacturer: Texas Instruments. Quantity in stock updated on 10/31/2025, 09:24