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SN74AS161D

SN74AS161D
Mfr. #:
SN74AS161D
Description:
Counter Shift Registers Synchronous 4-Bit Binary Counters
Lifecycle:
New from this manufacturer.
Datasheet:
SN74AS161D Datasheet
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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ECAD Model:
More Information:
SN74AS161D more Information SN74AS161D Product Details
Product Attribute
Attribute Value
Manufacturer:
Texas Instruments
Product Category:
Counter Shift Registers
RoHS:
Y
Counter Type:
Binary
Counting Sequence:
Up
Number of Circuits:
1
Number of Bits:
4 bit
Package / Case:
SOIC-16
Logic Family:
TTL
Logic Type:
Bipolar
Number of Input Lines:
4
Propagation Delay Time:
13 ns
Supply Voltage - Max:
5.5 V
Minimum Operating Temperature:
0 C
Maximum Operating Temperature:
+ 70 C
Packaging:
Tube
Function:
Counter
Width:
3.91 mm
Brand:
Texas Instruments
Mounting Style:
SMD/SMT
Number of Output Lines:
4
Operating Supply Voltage:
4.5 V to 5.5 V
Product Type:
Counter Shift Registers
Factory Pack Quantity:
1
Subcategory:
Logic ICs
Unit Weight:
0.007079 oz
Tags
SN74AS161D, SN74AS161, SN74AS16, SN74AS1, SN74AS, SN74A, SN74, SN7
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Step1: Vacuum Packaging with PL
Step1:
Vacuum Packaging with PL
Step2: Anti-Static Bag
Step2:
Anti-Static Bag
Step3: Packaging Boxes
Step3:
Packaging Boxes
***et
Counter Single 4-Bit Sync Binary UP 16-Pin SOIC Tube
***nell
LOGIC, COUNTER BIN SYNC 4BIT, 16SOIC; Logic IC Function:4bit Synchronous Binary Counter; Logic IC Family:AS; Logic IC Base Number:74161; Max Clock Frequency:75MHz; Max Count:16; Counter Function:Synchronous Binary Counter; Min Supply Voltage:4.5V; Max Supply Voltage:5.5V; Case Style:SOIC; Operating Temperature Range:0°C to +70°C; No. of Pins:16; Termination Type:SMD
***as Instruments
These synchronous, presettable, 4-bit decade and binary counters feature an internal carry look-ahead circuitry for application in high-speed counting designs. The SN54ALS162B is a 4-bit decade counter. The �ALS161B, �ALS163B, �AS161, and �AS163 devices are 4-bit binary counters. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincidentally 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 asynchronous (ripple-clock) counters. A buffered clock (CLK) input triggers the four flip-flops on the rising (positive-going) edge of the clock input waveform. These counters are fully programmable; they can be preset to any number between 0 and 9 or 15. Because presetting is synchronous, setting up a low level at the load (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 �ALS161B and �AS161 devices is asynchronous. A low level at the clear (CLR\) input sets all four of the flip-flop outputs low, regardless of the levels of the CLK, LOAD\, or enable inputs. The clear function for the SN54ALS162B, �ALS163B, and �AS163 devices is synchronous, and a low level at CLR 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 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 and ENT inputs and a ripple-carry (RCO) output are instrumental in accomplishing this function. Both ENP and ENT must be high to count, and ENT is fed forward to enable RCO. RCO, thus enabled, produces a high-level pulse while the count is maximum (9 or 15, with QA high). The 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. The SN54ALS161B, SN54ALS162B, SN54ALS163B, SN54AS161, and SN54AS163 are characterized for operation over the full military temperature range of �55C to 125C. The SN74ALS161B, SN74ALS163B, SN74AS161, and SN74AS163 are characterized for operation from 0C to 70C.
Part # Description Stock Price
SN74AS161D
DISTI # SN74AS161D-ND		IC COUNTER BIN SYNC 4BIT 16-SOIC
RoHS: Compliant
Min Qty: 200
Container: Tube		Limited Supply - Call
    SN74AS161DE4
    DISTI # SN74AS161DE4-ND    		IC COUNTER BIN SYNC 4BIT 16-SOIC
    RoHS: Compliant
    Min Qty: 200
    Container: Tube    		Limited Supply - Call
      SN74AS161DR
      DISTI # SN74AS161DR-ND      		IC COUNTER BIN SYNC 4BIT 16-SOIC
      RoHS: Compliant
      Min Qty: 2500
      Container: Tape & Reel (TR)      		Limited Supply - Call
        SN74AS161DRE4
        DISTI # SN74AS161DRE4-ND        		IC COUNTER BIN SYNC 4BIT 16-SOIC
        RoHS: Compliant
        Min Qty: 2500
        Container: Tape & Reel (TR)        		Limited Supply - Call
          SN74AS161DG4
          DISTI # SN74AS161DG4-ND          		IC COUNTER BINARY 4BIT 16SOIC
          RoHS: Compliant
          Min Qty: 200
          Container: Tube          		Limited Supply - Call
            SN74AS161DRG4
            DISTI # SN74AS161DRG4-ND            		IC COUNTER BINARY 4BIT 16SOIC
            RoHS: Compliant
            Min Qty: 2500
            Container: Tape & Reel (TR)            		Limited Supply - Call
              SN74AS161D
              DISTI # 595-SN74AS161D              		Counter Shift Registers Synchronous 4-Bit Binary Counters
              RoHS: Compliant              		0
                SN74AS161DR
                DISTI # 595-SN74AS161DR                		Counter ICs Synchronous 4-Bit Binary Counters
                RoHS: Compliant                		0
                  SN74AS161DE4
                  DISTI # 595-SN74AS161DE4                  		Counter ICs Synchronous 4-Bit Binary Counters
                  RoHS: Compliant                  		0
                    SN74AS161DRE4
                    DISTI # 595-SN74AS161DRE4                    		Counter ICs Synchronous 4-Bit Binary Counters
                    RoHS: Compliant                    		0
                      SN74AS161DRG4
                      DISTI # 595-SN74AS161DRG4                      		Counter ICs Synch 4B Binary Counters
                      RoHS: Compliant                      		0
                        SN74AS161DG4
                        DISTI # 595-SN74AS161DG4                        		Counter ICs Synch 4B Binary Counters
                        RoHS: Compliant                        		0
                          SN74AS161DBinary Counter, AS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, PDSO16
                          RoHS: Compliant                          		12187
                          • 1000:$1.5100
                          • 500:$1.5900
                          • 100:$1.6600
                          • 25:$1.7300
                          • 1:$1.8600
                          SN74AS161DRBinary Counter, AS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, PDSO16
                          RoHS: Compliant                          		2500
                          • 1000:$2.0100
                          • 500:$2.1200
                          • 100:$2.2100
                          • 25:$2.3000
                          • 1:$2.4800
                          SN74AS161DCounter, Up, 4 Bit Binary, 16 Pin, Plastic, SOP7
                          • 3:$1.7500
                          • 1:$2.1000
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                          Available
                          On Order:
                          5500
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