器件名称:
54LS14
功能描述:
Hex Inverters with Schmitt Trigger Inputs
文件大小:
123.11KB 共6页
简 介:
54LS14 DM74LS14 Hex Inverters with Schmitt Trigger Inputs June 1989 54LS14 DM74LS14 Hex Inverters with Schmitt Trigger Inputs General Description This device contains six independent gates each of which performs the logic INVERT function Each input has hysteresis which increases the noise immunity and transforms a slowly changing input signal to a fast changing jitter free output Connection Diagram Dual-In-Line Package TL F 6353 – 1 Order Number 54LS14DMQB 54LS14FMQB 54LS14LMQB DM74LS14M or DM74LS14N See NS Package Number E20A J14A M14A N14A or W14B Function Table YeA Input A L H H e High Logic Level L e Low Logic Level Output Y H L C1995 National Semiconductor Corporation TL F 6353 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage 7V Input Voltage 7V Operating Free Air Temperature Range b 55 C to a 125 C 54LS DM74LS 0 C to a 70 C b 65 C to a 150 C Storage Temperature Range Recommended Operating Conditions Symbol VCC VT a VTb HYS IOH IOL TA Parameter Min Supply Voltage Positive-Going Input Threshold Voltage (Note 1) Negative-Going Input Threshold Voltage (Note 1) Input Hysteresis (Note 1) High Level Output Current Low Level Output Current Free Air Operating Temperature b 55 Note The ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guarante……
