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5497 Datasheet

Part Number 5497
Manufacturers National Semiconductor
Logo National Semiconductor
Description Synchronous Modulo-64 Bit Rate Multiplier
Datasheet 5497 Datasheet5497 Datasheet (PDF)

5497 DM7497 Synchronous Modulo-64 Bit Rate Multiplier June 1989 5497 DM7497 Synchronous Modulo-64 Bit Rate Multiplier General Description The ’97 contains a synchronous 6-stage binary counter and six decoding gates that serve to gate the clock through to the output at a sub-multiple of the input frequency The output pulse rate relative to the clock frequency is determined by signals applied to the Select (S0–S5) inputs Both true and complement outputs are available along with an enable input f.

  5497   5497






Part Number 5493A
Manufacturers ETC
Logo ETC
Description DIVIDE-BY-SIXTEEN COUNTER
Datasheet 5497 Datasheet5493A Datasheet (PDF)

93 54/7493A 54LS/74LS93 DIVIDE-BY-SIXTEEN COUNTER CONNECTION DIAGRAM PINOUT A DESCRIPTION — The ’93 is a 4-stage ripple counter containing a high speed flip-flop acting as a divide-by-two and three flip-flops connected as a divideby-eight. HIGH signals on the Master Reset (MR) inputs override the clocks and force all outputs to the LOW state. ORDERING CODE: See Section 9 PKGS PIN OUT COMMERCIAL GRADE Vcc = +5.0 V ±5%, Ta = 0°C to +70° C MILITARY GRADE Vcc = +5.0 V ±10%, Ta = -55° C to +12.

  5497   5497







Part Number 5490A
Manufacturers ETC
Logo ETC
Description DECADE COUNTER
Datasheet 5497 Datasheet5490A Datasheet (PDF)

54/7490A 54LS/74LS90 DECADE COUNTER 90 CONNECTION DIAGRAM PINOUT A DESCRIPTION — The ’90 is a 4-stage ripple counter containing a high speed flip-flop acting as a divide-by-two and three flip-flops connected as a divideby-five counter. It can be connected to operate with a conventional BCD out­ put pattern or it can be connected to provide a 50% duty cycle output. In the BCD mode, HIGH signals on the Master Set (MS) inputs set the outputs to BCD nine. HIGH signals on the Master Reset (MR) inpu.

  5497   5497







Part Number 5490
Manufacturers National Semiconductor
Logo National Semiconductor
Description Decade and Binary Counters
Datasheet 5497 Datasheet5490 Datasheet (PDF)

DM5490 DM7490A DM7493A Decade and Binary Counters www.DataSheet4U.com July 1992 DM5490 DM7490A DM7493A Decade and Binary Counters General Description Each of these monolithic counters contains four masterslave flip-flops and additional gating to provide a divide-bytwo counter and a three-stage binary counter for which the count cycle length is divide-by-five for the 90A and divideby-eight for the 93A All of these counters have a gated zero reset and the 90A also has gated set-to-nine inputs .

  5497   5497







Synchronous Modulo-64 Bit Rate Multiplier

5497 DM7497 Synchronous Modulo-64 Bit Rate Multiplier June 1989 5497 DM7497 Synchronous Modulo-64 Bit Rate Multiplier General Description The ’97 contains a synchronous 6-stage binary counter and six decoding gates that serve to gate the clock through to the output at a sub-multiple of the input frequency The output pulse rate relative to the clock frequency is determined by signals applied to the Select (S0–S5) inputs Both true and complement outputs are available along with an enable input for each A Count Enable input and a Terminal Count output are provided for cascading two or more packages An asynchronous Master Reset input prevents counting and resets the counter Connection Diagram Dual-In-Line Package Logic Symbol TL F 9780 – 2 TL F 9780 – 1 VCC e Pin 16 GND e Pin 8 Order Number 5497DMQB 5497FMQB or DM7497N See NS Package Number J16A N16E or W16A Pin Names S0–S5 EZ EY CE CP MR OZ Oy TC Description Rate Select Inputs OZ Enable Input (Active LOW) OY Enable Input Count Enable Input (Active LOW) Clock Pulse Input (Active Rising Edge) Asynchronous Master Reset Input (Active HIGH) Gated Clock Output (Active LOW) Complement Output (Active HIGH) Terminal Count Output (Active LOW) C1995 National Semiconductor Corporation TL F 9780 RRD-B30M115 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 Inp.


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