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74190 Synchronous UP/DOWN BCD Decade Counter
- Stock: Out Of Stock
- SKU: 0727 | DAA234
-
Rs.
44.84 (inc GST)
Rs.38.00 + GSTQty :
GST Invoice on all Purchase. So you will be eligible to take input tax credit. |
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74190 Synchronous UP/DOWN BCD Decade Counter
The SN54/74LS190 is a synchronous UP/DOWN BCD Decade (8421) Counter and the SN54/74LS191 is a synchronous UP /DOWN Modulo-16 Binary Counter.
State changes of the counters are synchronous with the LOW-to-HIGH transition of the Clock Pulse input. An asynchronous Parallel Load (PL) input overrides counting and loads the data present on the Pn inputs into the flip-flops, which makes it possible to use the circuits as programmable counters.
A Count Enable (CE) input serves as the carry /borrow input in multi-stage counters. An Up /Down Count Control (U/D) input determines whether a circuit counts up or down. A Terminal Count (TC) output and a Ripple Clock (RC) output provide overflow/underflow indication and make possible a variety of methods for generating carry/borrow signals in multistage counter applications.
Features of 74190
Low Power 90 mW Typical Dissipation
High Speed 25 MHz Typical Count Frequency
Synchronous Counting
Asynchronous Parallel Load
Individual Preset Inputs
Count Enable and Up/Down Control Inputs
Cascadable
Input Clamp Diodes Limit High Speed Termination Effects
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Tags: 74 Series