DM74LS379 Datasheet | National Semiconductor

Description The LS379 is a 4-bit register with buffered mon Enable This device is similar to the LS175 but features the mon Enable rather than mon Master Reset Features Edge-triggered D-type inputs Buffered positive edge-triggered clock Buffered mon enable input True and plement outputs Connection Diagram Dual-In-Line Package Logic Symbol TL F 10186 - 2 TL F 10186 - 1 VCC e Pin 16 GND e Pin 8 Order Number 54LS379DMQB 54LS379FMQB 54LS379LMQB DM74LS379M or DM74LS379N See NS Package Number E20A J16A M16A N16E or W16A Pin Names E D0- D3 CP Q0- Q3 Q0 - Q3 Description Enable Input (Active LOW) Data Inputs Clock Pulse Input (Active Rising Edge) Flip-Flop Outputs plement Outputs C1995 National Semiconductor Corporation TL F 10186 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 Storage Temperature Range b 65 C to a 150 C 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) ts(L) th(H) th(L) tw(L) Parameter Min Supply Voltage High Level Input Voltage Low Level Input Voltage High Level Output Current Low Level Output Current Free Air Operating Temperature Setup Time HIGH or LOW Dn to CP Hold Time HIGH or LOW Dn to CP Setup Time HIGH or LOW E to CP Hold Time HIGH or LOW E to CP CP Pulse Width LOW b 55 54LS379 Nom 5 Max 55 Min 4 75 2 07 b0 4 DM74LS379 Nom 5...