Fairchild/ON Semiconductor DM74ALS163BMX
- Part Number:
- DM74ALS163BMX
- Manufacturer:
- Fairchild/ON Semiconductor
- Ventron No:
- 3705455-DM74ALS163BMX
- Description:
- IC COUNTER 4BIT BINARY 16SOIC
- Datasheet:
- DM74ALS161B - 163B
Fairchild/ON Semiconductor DM74ALS163BMX technical specifications, attributes, parameters and parts with similar specifications to Fairchild/ON Semiconductor DM74ALS163BMX.
- Mounting TypeSurface Mount
- Package / Case16-SOIC (0.154, 3.90mm Width)
- Surface MountYES
- Operating Temperature0°C~70°C
- PackagingTape & Reel (TR)
- Series74ALS
- JESD-609 Codee3
- Pbfree Codeyes
- Part StatusObsolete
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- Number of Terminations16
- Terminal FinishMATTE TIN
- Additional FeatureTCO OUTPUT
- TechnologyTTL
- Voltage - Supply4.5V~5.5V
- Terminal PositionDUAL
- Terminal FormGULL WING
- Peak Reflow Temperature (Cel)260
- Number of Functions1
- Supply Voltage5V
- Reach Compliance Codeunknown
- Reflow Temperature-Max (s)NOT SPECIFIED
- Pin Count16
- Qualification StatusCOMMERCIAL
- Number of Elements1
- Supply Voltage-Max (Vsup)5.5V
- ResetSynchronous
- FamilyALS
- DirectionUp
- Logic TypeBinary Counter
- Number of Bits per Element4
- Trigger TypePositive Edge
- Propagation Delay (tpd)20 ns
- Count Rate40MHz
- Length9.9mm
- Width3.9mm
- RoHS StatusROHS3 Compliant
DM74ALS163BMX Overview
The packaging for this electronic component is Tape & Reel (TR), which is a common method for storing and transporting small parts. The Terminal Finish is MATTE TIN, which provides a smooth and corrosion-resistant surface for the component. The Terminal Form is GULL WING, which refers to the shape of the pins that are used to connect the component to a circuit board. This particular component has a Pin Count of 16, making it suitable for a wide range of applications. Its Qualification Status is COMMERCIAL, meaning it has been tested and approved for use in commercial products. With 1 element and a synchronous reset, this component has a simple design. The Direction of the component is Up, and it has 4 bits per element, allowing for efficient data processing. The Propagation Delay (tpd) is 20 ns, which is the time it takes for the output to respond to a change in the input. All of these features make this component a reliable and versatile choice for electronic systems.
DM74ALS163BMX Features
Embedded in the 16-SOIC (0.154, 3.90mm Width) package
4 bits per element
TCO OUTPUT
DM74ALS163BMX Applications
There are a lot of Rochester Electronics, LLC DM74ALS163BMX Counters & Dividers applications.
Divide-by-N counting
VHF, UHF, FM, AM, etc.
Time delay circuits
Time Out Timer for Consumer-Application Industrial Controls
TRUE RMS-TO-DC CONVERSION
Fixed or Programmable Frequency Division
Timers
Up Counters
Frequency division
Dual Up Counters
The packaging for this electronic component is Tape & Reel (TR), which is a common method for storing and transporting small parts. The Terminal Finish is MATTE TIN, which provides a smooth and corrosion-resistant surface for the component. The Terminal Form is GULL WING, which refers to the shape of the pins that are used to connect the component to a circuit board. This particular component has a Pin Count of 16, making it suitable for a wide range of applications. Its Qualification Status is COMMERCIAL, meaning it has been tested and approved for use in commercial products. With 1 element and a synchronous reset, this component has a simple design. The Direction of the component is Up, and it has 4 bits per element, allowing for efficient data processing. The Propagation Delay (tpd) is 20 ns, which is the time it takes for the output to respond to a change in the input. All of these features make this component a reliable and versatile choice for electronic systems.
DM74ALS163BMX Features
Embedded in the 16-SOIC (0.154, 3.90mm Width) package
4 bits per element
TCO OUTPUT
DM74ALS163BMX Applications
There are a lot of Rochester Electronics, LLC DM74ALS163BMX Counters & Dividers applications.
Divide-by-N counting
VHF, UHF, FM, AM, etc.
Time delay circuits
Time Out Timer for Consumer-Application Industrial Controls
TRUE RMS-TO-DC CONVERSION
Fixed or Programmable Frequency Division
Timers
Up Counters
Frequency division
Dual Up Counters
DM74ALS163BMX More Descriptions
Counter IC Binary Counter Element 4 Bit Positive Edge 16-SOIC
Synchronous Positive Edge Synchronous Synchronous Binary Counter IC 0C~70C 40MHz 5.5V 20ns
These synchronous presettable counters feature an inter-nal carry look ahead for application in high speed counting designs. The DM74ALS162B is a four-bit decade counter,while the DM74ALS161B and DM74ALS163B are four-bit binary counters. The DM74ALS161B clears asynchro-nously, while the DM74ALS162B and DM74ALS163B clear synchronously. The carry output is decoded to prevent spikes during normal counting mode of operation. Synchronous operation is provided by having all flip-flops clocked simultaneously so that outputs change coincident with each other when so instructed by count enable inputs and internal gating. This mode of operation eliminates the output counting spikes which are normally associated with asynchronous (ripple clock) counters. A buffered clock input triggers the four flip-flops on the rising (positive-going) 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 counterand causes the outputs to agree with set up data after the next clock pulse regardless of the levels of enable input.LOW-to-HIGH transitions at the load input are perfectly acceptable regardless of the logic levels on the clock or enable inputs. The DM74ALS161B clear function is asynchronous. 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. These two counters are provided with a clear on power-up feature. The DM74ALS162B and DM74ALS163Bclear function 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 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 out-put is connected to the clear input to synchronously clear the counter to all low outputs. LOW-to-HIGH transitions at the clear input of the DM74ALS162B and DM74ALS163B are also permissible regardless of the levels of logic on the clock, enable or load inputs. The carry look ahead circuitry provides for cascading counters for n bit synchronous application without additional gating. Instrumental in accomplishing this functionare two count enable inputs (P and T) and a ripple carry output. Both count enable inputs must be HIGH to count. The T input 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 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 DM74ALS161B through DM74ALS163B may occur regardless of the logic level onthe clock. The DM74ALS161B through DM74ALS163B feature a fully independent clock circuit. changes made to control inputs (enable P or T, or load) that will modify the operating mode will have no effect until clocking occurs. The function of the counter (whether enabled, disabled, loading or counting)will be dictated solely by the conditions meeting the stable set-up and hold times.
Synchronous Positive Edge Synchronous Synchronous Binary Counter IC 0C~70C 40MHz 5.5V 20ns
These synchronous presettable counters feature an inter-nal carry look ahead for application in high speed counting designs. The DM74ALS162B is a four-bit decade counter,while the DM74ALS161B and DM74ALS163B are four-bit binary counters. The DM74ALS161B clears asynchro-nously, while the DM74ALS162B and DM74ALS163B clear synchronously. The carry output is decoded to prevent spikes during normal counting mode of operation. Synchronous operation is provided by having all flip-flops clocked simultaneously so that outputs change coincident with each other when so instructed by count enable inputs and internal gating. This mode of operation eliminates the output counting spikes which are normally associated with asynchronous (ripple clock) counters. A buffered clock input triggers the four flip-flops on the rising (positive-going) 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 counterand causes the outputs to agree with set up data after the next clock pulse regardless of the levels of enable input.LOW-to-HIGH transitions at the load input are perfectly acceptable regardless of the logic levels on the clock or enable inputs. The DM74ALS161B clear function is asynchronous. 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. These two counters are provided with a clear on power-up feature. The DM74ALS162B and DM74ALS163Bclear function 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 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 out-put is connected to the clear input to synchronously clear the counter to all low outputs. LOW-to-HIGH transitions at the clear input of the DM74ALS162B and DM74ALS163B are also permissible regardless of the levels of logic on the clock, enable or load inputs. The carry look ahead circuitry provides for cascading counters for n bit synchronous application without additional gating. Instrumental in accomplishing this functionare two count enable inputs (P and T) and a ripple carry output. Both count enable inputs must be HIGH to count. The T input 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 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 DM74ALS161B through DM74ALS163B may occur regardless of the logic level onthe clock. The DM74ALS161B through DM74ALS163B feature a fully independent clock circuit. changes made to control inputs (enable P or T, or load) that will modify the operating mode will have no effect until clocking occurs. The function of the counter (whether enabled, disabled, loading or counting)will be dictated solely by the conditions meeting the stable set-up and hold times.
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