93L28

93L28 Dual 8-Bit Shift Register June 1989 93L28 Dual 8-Bit Shift Register General Description The 93L28 is a high speed serial storage element providing 16 bits of storage in the form of two 8-bit registers The multifunctional capability of this device is provided by several features 1) additional gating is provided at the input to both shift registers so that the input is easily multiplexed between two sources 2) the clock of each register may be provided separately or together 3) both the true and complementary outputs are provided from each 8-bit register and both registers may be master cleared from a common input Features Y Y Y Y 2-input multiplexer provided at data input of each register Gated clock input circuitry Both true and complementary outputs provided from last bit of each register Asynchronous master reset common to both registers Connection Diagram Dual-In-Line Package Logic Symbol TL F 10200 – 1 Order Number 93L28DMQB or 93L28FMQB See NS Package Number J16A or W16A TL F 10200 – 2 VCC e Pin 16 GND e Pin 8 Pin Names S D0 D1 CP Description Data Select Input Data Inputs Clock Pulse Input (Active HIGH) Common (Pin 9) Separate (Pins 7 and 10) Master Reset Input (Active LOW) Last Stage Output Complementary Output MR Q7 Q7 C1995 National Semiconductor Corporation TL F 10200 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 Distributo...