4-Bit Synchronous Binary Counters

The SN74LV163A devices are 4-bit synchronous binary Counters designed for 2-V to 5.5-V VCC operation.
These synchronous, presettable Counters feature an internal carry look ahead for application in high-speed counting designs. The ?LV163A devices 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 instructed by the count-enable (ENP, ENT) inputs and internal gating. This mode of operation eliminates the output counting spikes normally associated with synchronous (ripple-clock) Counters A buffered Clock (CLK) input triggers the four Flip-Flops on the rising (positive-going) edge of the Clock waveform.
These Counters are fully programmable; that is, they CAN be preset to any number between 0 and 9 or 15. 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.
The clear function for the ?LV163A devices is synchronous. A low level at the clear (CLR) input sets all four of the Flip-Flop outputs low after the next low-to-high transition of CLK, regardless of the levels of the enable inputs. This synchronous clear allows the count length to be modified easily by decoding the Q outputs for the maximum count desired. The active-low output of the Gate used for decoding is connected to CLR to synchronously clear the Counter to 0000 (LLLL).
The carry look-ahead circuitry provides for cascading Counters for n-bit synchronous applications without additional gating. ENP, ENT, and a ripple-carry output (RCO) are instrumental in accomplishing this function. Both ENP and ENT must be high to count, and ENT is fed forward to enable RCO. Enabling RCO produces a high-level pulse while the count is maximum (9 or 15 with QA high). This high-level overflow ripple-carry pulse CAN be used to enable successive cascaded stages. Transitions at ENP or ENT are allowed, regardless of the level of CLK.
These Counters feature a fully independent Clock circuit. Changes at control inputs (ENP, ENT, or LOAD) that modify the operating mode have no effect on the contents of the Counter until clocking occurs. The function of the Counter (whether enabled, disabled, loading, or counting) is dictated solely by the conditions meeting the stable setup and hold times.
These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74LV163ADE4 Texas Instruments LV/LV-A/LVX/H SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16, GREEN, PLASTIC, MS-012AC, SOIC-16
SN74LV163ANSRG4 Texas Instruments 4-Bit Synchronous Binary Counters 16-SO -40 to 85
SN74LV163ARGYR Texas Instruments 4-Bit Synchronous Binary Counters 16-VQFN -40 to 85
SN74LV163ADGVRE4 Texas Instruments LV/LV-A/LVX/H SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16, GREEN, PLASTIC, TVSOP-16
SN74LV163APWG4 Texas Instruments LV/LV-A/LVX/H SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16, GREEN, PLASTIC, TSSOP-16
SN74LV163ADGVRG4 Texas Instruments LV/LV-A/LVX/H SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16, GREEN, PLASTIC, TVSOP-16
SN74LV163APWR Texas Instruments 4-Bit Synchronous Binary Counters 16-TSSOP -40 to 85
SN74LV163ADBRE4 Texas Instruments LV/LV-A/LVX/H SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16, GREEN, PLASTIC, SSOP-16
SN74LV163ANSR Texas Instruments 4-Bit Synchronous Binary Counters 16-SO -40 to 85
SN74LV163APWTE4 Texas Instruments LV/LV-A/LVX/H SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16, GREEN, PLASTIC, TSSOP-16
SN74LV163A 's PackagesSN74LV163A 's pdf datasheet
SN74LV163AD SOIC
SN74LV163ADBR SSOP
SN74LV163ADBRE4 SSOP
SN74LV163ADBRG4 SSOP
SN74LV163ADE4 SOIC
SN74LV163ADG4 SOIC
SN74LV163ADGVR TVSOP
SN74LV163ADGVRE4 TVSOP
SN74LV163ADGVRG4 TVSOP
SN74LV163ADR SOIC
SN74LV163ADRE4 SOIC
SN74LV163ADRG4 SOIC
SN74LV163ANSR SO
SN74LV163ANSRE4 SO
SN74LV163ANSRG4 SO
SN74LV163APW TSSOP
SN74LV163APWE4 TSSOP
SN74LV163APWG4 TSSOP
SN74LV163APWR TSSOP
SN74LV163APWRE4 TSSOP
SN74LV163APWRG4 TSSOP
SN74LV163APWT TSSOP
SN74LV163APWTE4 TSSOP
SN74LV163APWTG4 TSSOP
SN74LV163ARGYR QFN
SN74LV163ARGYRG4 QFN




SN74LV163A Pinout, Pinouts
SN74LV163A pinout,Pin out
This is one package pinout of SN74LV163A,If you need more pinouts please download SN74LV163A's pdf datasheet.

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SN74LV163A Application Notes SN74LV163A RoHS SN74LV163A Circuits SN74LV163A footprint
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