74HC14施密特触发器.pdf

INTEGRATED CIRCUITS DATA SHEET 74HC14; 74HCT14 Hex inverting Schmitt trigger Product specification 2003 Oct 30 Supersedes data of 1997 Aug 26 Philips Semiconductors Product specification Hex inverting Schmitt trigger 74HC14; 74HCT14 FEATURES DESCRIPTION • Applications: The 74HC14 and 74HCT14 are high-speed Si-gate CMOS – Wave and pulse shapers devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with – Astable multivibrators JEDEC standard no. 7A. – Monostable multivibrators. The 74HC14 and 74HCT14 provide six inverting buffers • Complies with JEDEC standard no. 7A with Schmitt-trigger action. They are capable of • ESD protection: transforming slowly changing input signals into sharply HBM EIA/JESD22-A114-A exceeds 2000 V defined, jitter-free output signals. MM EIA/JESD22-A115-A exceeds 200 V. • Specified from −40 to +85 °C and −40 to +125 °C. QUICK REFERENCE DATA GND = 0 V; T = 25 °C; t = t = 6 ns amb r f TYPICAL SYMBOL PARAMETER CONDITIONS UN