93L14 Datasheet | National Semiconductor

Description The 93L14 is a multifunctional 4-bit latch designed for general purpose storage applications in high speed digital systems All outputs have active pull-up circuitry to provide high capacitance drive and to provide low impedance in both logic states for good noise immunity Features Can be used as single input D latches or set reset latches Active low enable gate input Overriding master reset Connection Diagram Dual-In-Line Package Logic Symbol TL F 9612 - 2 VCC e Pin 16 GND e Pin 8 TL F 9612 - 1 Order Number 93L14DMQB or 93L14FMQB See NS Package Number J16A or W16A Pin Names E D0- D3 S0 - S3 MR Q0- Q3 Description Enable Input (Active LOW) Data Inputs Set Inputs (Active LOW) Master Reset Input (Active LOW) Latch Outputs C1995 National Semiconductor Corporation TL F 9612 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 5 5V Operating Free Air Temperature Range b 55 C to a 125 C MIL b 65 C to a 150 C Storage Temperature Range Note The ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed The device should not be operated at these limits The parametric values defined in the ‘‘Electrical Characteristics’’ table are not guaranteed at the absolute maximum ratings The ‘‘Remended Operating Conditions’’ table will define the conditions for actual device operation Remended Operating Conditions Symbol VCC VIH VIL IOH IOL TA ts (H) ts (L) th (H) th (L) ts (H) th (L) tw (L) tw (L) trec Parameter Min Supply Voltage High Level Input Voltage Low Level Input Voltage High Level Output Voltage Low Level Output Current Free Air Operating Temperature Setup Time HIGH or LOW Dn to E Hold Time HIGH or LOW Dn to E Setup Time HIGH Dn to Sn Hold Time LOW Dn to Sn E Pulse Width LOW MR Pulse Width LOW Recovery Time MR...