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Home > Elec-component > IC Chips > Logic - Counters, Dividers
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DIP-16
Texas Instruments
These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting designs. The '160, '162, 'LS160A, 'LS162A, and 'S162 are decade counters and the '161, '163, 'LS161A, 'LS163A, and 'S163 are 4-bit binary counters. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the count-enable inputs and internal gating. This mode of operation eliminates the output counting spikes that are normally associated with asynchronous (ripple clock) counters, however counting spikes may occur on the (RCO) ripple carry output. A buffered clock input triggers the four flip-flops on the rising edge of the clock input waveform. These counters are fully programmable; that is, the outputs may be preset to either level. As presetting is synchronous, setting up a low level at the load input disables the counter and causes the outputs to agree with the setup data after the next clock pulse regardless of the levels of the enable inputs. Low-to-high transitions at the load input of the '160 thru '163 should be avoided when the clock is low if the enable inputs are high at or before the transition. This restriction is not applicable to the 'LS160A thru 'LS163A or 'S162 or 'S163. The clear function for the '160, '161, 'LS160A, and 'LS161A is asynchronous and a low level at the clear input sets all four of the flip-flop outputs low regardless of the levels of clock, load, or enable inputs. The clear function for the '162, '163, 'LS162A, 'LS163A, 'S162, and 'S163 is synchronous and a low level at the clear input sets all four of the flip-flop outputs low after the next clock pulse, regardless of the levels of the enable inputs. This synchronous clear allows the count length to be modified easily as decoding the maximum count desired can be accomplished with one external NAND gate. The gate output is connected to the clear input to synchronously clear the counter to 0000 (LLLL). Low-to-high transitions at the clear input of the '162 and '163 should be avoided when the clock is low if the enable and load inputs are high at or before the transition. The carry look-ahead circuitry provides for cascading counters for n-bit synchronous applications without additional gating. Instrumental in accomplishing this function are two count-enable inputs and a ripple carry output. Both count-enable inputs (P and T) must be high to count, and input T is fed forward to enable the ripple carry output. The ripple carry output thus enabled will produce a high-level output pulse with a duration approximately equal to the high-level portion of the QA output. This high-level overflow ripple carry pulse can be used to enable successive cascaded stages. High-to-low level transitions at the enable P or T inputs of the '160 thru '163 should occur only when the clock input is high. Transitions at the enable P or T inputs of the 'LS160A thru 'LS163A or
SN74S163N is a synchronous 4-bit binary counter with a synchronous reset produced by Texas Instruments. It is a 16-pin dual in-line package (DIP-16). Description: The SN74S163N is a synchronous 4-bit
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PLCC-28
On Semiconductor
95+
5V ECL 8-Bit Synchronous Binary Up Counter; Package: 28 LEAD PLCC; No of Pins: 28; Container: Rail; Qty per Container: 37
Description: The MC10E016FN is a high-performance, low-power, advanced CMOS logic device. It is a 16-bit programmable logic device (PLD) with a wide range of features. Features: High-performance, lo
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PLCC20
On Semiconductor
Counter IC Binary Counter 1 Element 4 Bit Positive Edge 20-PLCC (9x9)
Description: The MC10H016FNR2G is a high-speed, low-power, CMOS logic device. It is a dual 4-input multiplexer with a common select input. It is designed to select one of two 4-bit words and is capab
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PDIP-16
On Semiconductor
Counter IC Binary Counter 1 Element 12 Bit Negative Edge 16-DIP
Description: The MC74AC4040N is a dual 4-stage binary ripple counter. Features: - High-speed performance - Low power consumption - Low-voltage operation - Outputs source/sink 24 mA - Outputs c
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Description: The 74HC393D is a dual 4-stage static shift register with output registers. It has two independent 4-bit shift registers with complementary serial outputs (QA and QB) and common clock (CP
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Description: The CD4026BE is a CMOS decade counter/divider and 7-stage ripple carry binary counter/divider. Features: - High speed operation: tpd = 10ns (typ) - Low power consumption: ICC = 1μA (max)
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Stock:30
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Description: The CD4059AE is a CMOS device containing five inverting buffers with Schmitt-trigger inputs. Features: - High-speed operation: tpd = 8 ns (typical) - Low power consumption: ICC = 1 μA (m
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Description: The CD40110BE is a CMOS 16-stage ripple-carry binary counter/divider and oscillator with three oscillator terminals (RS, RTC, and CTC) and an overriding asynchronous master reset (MR) inp
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SOP-16
FSC
05+
Alternator Voltage Regulator Darlington Driver; Package: SOIC 14 LEAD; No of Pins: 14; Container: Tape and Reel; Qty per Container: 2500
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The MM74C93N is a 4-bit binary counter with a synchronous reset. It is a 14-pin DIP (dual in-line package) manufactured by National Semiconductor. Description: The MM74C93N is a 4-bit binary counter
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Description: CMOS Dual BCD Up/Down Counter Features: - High Speed Operation - Low Power Consumption - Wide Operating Voltage Range - High Noise Immunity - Low Input Current - High Output Current - Hig
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Stop production experts, we can provide a large number of electronic components that have been stopped production and are difficult to find, to facilitate the maintenance company