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MM54C173

Part Number	MM54C173
Manufacturer	National Semiconductor
Description	TRI-STATE Quad D Flip-Flop
Published	Aug 24, 2013
Detailed Description	MM54C173 MM74C173 TRI-STATE Quad D Flip-Flop February 1988 MM54C173 MM74C173 TRI-STATE Quad D Flip-Flop General Descri...
Datasheet	MM54C173 PDF File

Overview

MM54C173 MM74C173 TRI-STATE Quad D Flip-Flop February 1988 MM54C173 MM74C173 TRI-STATE Quad D Flip-Flop General Description The MM54C173 MM74C173 TRI-STATE quad D flip-flop is a monolithic complementary MOS (CMOS) integrated circuit constructed with N- and P-channel enhancement transistors The four D-type flip-flops operate synchronously from a common clock The TRI-STATE output allows the device to be used in bus-organized systems The outputs are placed in the TRI-STATE mode when either of the two output disable pins are in the logic ‘‘1’’ level The input disable allows the flip-flops to remain in their present states without disrupting the clock If either of the two input disables are taken to a logic ‘‘1’’ level the Q outputs are fed back to the inputs and in this manner the flip-flops do not change state Clearing is enabled by taking the input to a logic ‘’1’’ level Clocking occurs on the positive-going transition Features Y Y Y Y Y Y Y Supply voltage range 3V to 15V Tenth power TTL compatible Drive 2 LPTTL loads High noise immunity 0 45 VCC (typ ) Low power Medium speed operation High impedance TRI-STATE Input disable without gating the clock Applications Y Y Y Y Automotive Data terminals Instrumentation Medical electronics Y Y Y Y Alarm systems Industrial electronics Remote metering Computers Connection Diagram Dual-In-Line Package TL F 5898 – 2 Top View Order Number MM54C173 or MM74C173 Truth Table (Both Output Disables Low) tn Data Input Disable Logic ‘‘1’’ on One or Both Inputs Logic ‘‘0’’ on Both Inputs Logic ‘‘0’’ on Both Inputs Data Input X 1 0 tn a 1 Output Qn 1 0 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 5898 RRD-B30M105 Printed in U S A Free Datasheet http://www.
datasheet4u.
com/ Absolute Maximum Ratings (Note 1) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifica...

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