74HCT191D,652 NXP

74HCT191D,652 electronic component of NXP
74HCT191D,652 NXP
74HCT191D,652 Counter ICs
74HCT191D,652  Semiconductors
Images are for reference only, See Product Specifications

X-On Electronics has gained recognition as a prominent supplier of 74HCT191D,652 Counter ICs across the USA, India, Europe, Australia, and various other global locations. 74HCT191D,652 Counter ICs are a product manufactured by NXP. We provide cost-effective solutions for Counter ICs, ensuring timely deliveries around the world.

Part No. 74HCT191D,652
Manufacturer: NXP
Category: Counter ICs
Description: Counter ICs SYNC BIN UD COUNTER
Datasheet: 74HCT191D,652 Datasheet (PDF)
Price (USD)
50: USD 0.3042 ea
Line Total: USD 15.21 
Availability : 0
  
QtyUnit Price
50$ 0.3042
250$ 0.2691
1000$ 0.2516

Availability 0
Ship by Fri. 08 Aug to Thu. 14 Aug
MOQ : 1
Multiples : 1
QtyUnit Price
1$ 0.4627
10$ 0.4052
50$ 0.3145


Availability 0
Ship by Fri. 08 Aug to Thu. 14 Aug
MOQ : 50
Multiples : 1
QtyUnit Price
50$ 0.3042
250$ 0.2691
1000$ 0.2516

   
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RoHS - XON
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We are delighted to provide the 74HCT191D,652 from our Counter ICs category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the 74HCT191D,652 and other electronic components in the Counter ICs category and beyond.

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INTEGRATED CIRCUITS DATA SHEET For a complete data sheet, please also download: The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications The IC06 74HC/HCT/HCU/HCMOS Logic Package Information The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines 74HC/HCT191 Presettable synchronous 4-bit binary up/down counter December 1990 Product specication File under Integrated Circuits, IC06Philips Semiconductors Product specication Presettable synchronous 4-bit binary 74HC/HCT191 up/down counter FEATURES Overflow/underflow indications are provided by two types of outputs, the terminal count (TC) and ripple clock (RC). Synchronous reversible counting The TC output is normally LOW and goes HIGH when a Asynchronous parallel load circuit reaches zero in the count-down mode or reaches 15 in the count-up-mode. The TC output will remain Count enable control for synchronous expansion HIGH until a state change occurs, either by counting or Single up/down control input presetting, or until U/D is changed. Do not use the TC Output capability: standard output as a clock signal because it is subject to decoding spikes. The TC signal is used internally to enable the I category: MSI CC RC output. When TC is HIGH and CE is LOW, the RC output follows the clock pulse (CP). This feature simplifies GENERAL DESCRIPTION the design of multistage counters as shown in Figs 5 and 6. The 74HC/HCT191 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL In Fig.5, each RC output is used as the clock input to the (LSTTL). They are specified in compliance with JEDEC next higher stage. It is only necessary to inhibit the first standard no. 7A. stage to prevent counting in all stages, since a HIGH on CE inhibits the RC output pulse as indicated in the function The 74HC/HCT191 are asynchronously presettable 4-bit table. The timing skew between state changes in the first binary up/down counters. They contain four master/slave and last stages is represented by the cumulative delay of flip-flops with internal gating and steering logic to provide the clock as it ripples through the preceding stages. This asynchronous preset and synchronous count-up and can be a disadvantage of this configuration in some count-down operation. applications. Asynchronous parallel load capability permits the counter Fig.6 shows a method of causing state changes to occur to be preset to any desired number. Information present on simultaneously in all stages. The RC outputs propagate the parallel data inputs (D to D ) is loaded into the counter 0 3 the carry/borrow signals in ripple fashion and all clock and appears on the outputs when the parallel load (PL) inputs are driven in parallel. In this configuration the input is LOW. As indicated in the function table, this duration of the clock LOW state must be long enough to operation overrides the counting function. allow the negative-going edge of the carry/borrow signal to Counting is inhibited by a HIGH level on the count enable ripple through to the last stage before the clock goes (CE) input. When CE is LOW internal state changes are HIGH. Since the RC output of any package goes HIGH initiated synchronously by the LOW-to-HIGH transition of shortly after its CP input goes HIGH there is no such the clock input. The up/down (U/D) input signal determines restriction on the HIGH-state duration of the clock. the direction of counting as indicated in the function table. In Fig.7, the configuration shown avoids ripple delays and The CE input may go LOW when the clock is in either their associated restrictions. Combining the TC signals state, however, the LOW-to-HIGH CE transition must from all the preceding stages forms the CE input for a occur only when the clock is HIGH. Also, the U/D input given stage. An enable must be included in each carry should be changed only when either CE or CP is HIGH. gate in order to inhibit counting. The TC output of a given stage it not affected by its own CE signal therefore the simple inhibit scheme of Figs 5 and 6 does not apply. December 1990 2

Tariff Desc

8542.39.23 No ..Linear/analogue and peripheral integrated circuits, timers, voltage regulators, A/D and D/A converters, telecommunication and modem integrated circuits, other than board level products Free

Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Freescale
FREESCALE SEMI
Freescale Semicon
FREESCALE SEMICONDUC
Freescale Semiconductor
Freescale Semiconductor - NXP
NXP
NXP Freescale
NXP (FREESCALE)
NXP / Freescale
NXP SEMI
NXP Semicon
NXP SEMICONDUCTOR
NXP Semiconductors
NXP USA Inc.
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PHI
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