Counter ICs

A Shift Register is a sequential logic device made up of a cascade of flip-flops, through which a sequence of bits are shifted. These devices are commonly used to convert between serial and parallel interfaces.How it works – basic exampleIn a Shift Register the output of each flip-flop is connected to the input of the next flip-flop in the cascade. With each cycle of the connected clock, the bits are shifted down the cascade by one flip-flop.A simple analogy to understand the basic theory or operation would be to consider a glass tube with an opening both ends, and placing a ball marked 0 or 1 into one end of the tube at a regular intervals.As each ball is placed into the tube, all the balls are shifted along by one position. The sequence in which the balls marked 0 and 1 where fed in is preserved. Also each time one ball is fed in, the ball that has been in the cascade the longest drops out. So if the tube can contain 4 balls at any one time, this could be described as a 4-bit Shift Register.Common Types of Shift Register Serial-in serial-out (SISO) – In this type of Shift Register, the data input and output is serial. With each clock cycle a new bit is fed into the cascade, with the bit furthest along the cascade exiting as an output. So in a 4-bit register, the output trails the input by 4 clock cycles. This matches the simple example above, with the ball that exits the tube being the output. Serial-in parallel-out (SIPO) – In this configuration data is converted from serial into parallel format. As described for the SISO variant above, data is fed in serially and shifted down the cascade, the difference is that each flip-flop has an output, allowing the entire bit array to be output simultaneously as a parallel output. This may be done using a latched of buffered output. Parallel-in serial-out (PISO) – This variant takes a parallel input and converts into a serial output. To do this the shift register must implement a write/shift sequence. The parallel data input is (written) into each flip-flop of the array simultaneously in one clock cycle, then for the next cycles the register goes into shift mode as the bits are shifted down the flip-flop cascade, being output as serial data. The process then repeats. Parallel-in parallel-out (PIPO) – This type of register differs slightly from the others in that inputs and outputs of each flip-flop in the array are not interconnected. Each flip-flop takes one bit of the parallel input, stores it for a cycle, and then outputs the data simultaneously with the other flip-flops in the register, creating a parallel output that matches the input. Like the SISO type above, PIPO variants can be used to temporarily store data, or act a time delay device. Universal Shift Register – A configurable Shift Register that can be programmed to act as a SISO, SIPO, PISO or PIPO device, often on the fly.

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Description Price Package Type Logic Function Number of Stages Logic Family Mounting Type Counter Type Operation Mode Number of Elements Pin Count Minimum Operating Supply Voltage Maximum Operating Supply Voltage Dimensions Length Width
RS Stock No. 170-7972
Mfr. Part No.HEF4094BT,653
BrandNexperia
£0.088
Each (On a Reel of 2500)
Units
SO - 8 HEF Surface Mount - - 1 16 3 V 15 V 10 x 4 x 1.45mm 10mm 4mm
RS Stock No. 368-7874
Mfr. Part No.HEF4094BT,652
BrandNexperia
£0.261
Each (In a Tube of 50)
Units
SOIC Shift Register 8 4000 Surface Mount - Serial to Serial/Parallel 1 16 3 V 15 V 10 x 4 x 1.45mm 10mm 4mm
RS Stock No. 527-451
Mfr. Part No.CD4022BE
£0.054
Each (In a Tube of 25)
Units
PDIP Counter, Divider 4 4000 Through Hole Octal Up Counter 1 16 3 V 18 V 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm
RS Stock No. 527-520
Mfr. Part No.SN74HC595DR
£0.295
Each (In a Pack of 25)
Units
SOIC Shift Register 8 HC Surface Mount - Serial to Serial/Parallel 1 16 2 V 6 V 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm
RS Stock No. 165-4085
Mfr. Part No.MIC5891YWM
BrandMicrochip
£1.81
Each (In a Tube of 47)
Units
SOIC W Driver, Shift Register 8 MIC Surface Mount - Serial to Serial/Parallel 1 16 5 V 12 V 10.39 x 7.65 x 2.39mm 10.39mm 7.65mm
RS Stock No. 809-5829
Mfr. Part No.SN74HC595DT
£0.579
Each (In a Pack of 10)
Units
SOIC Shift Register 8 HC Surface Mount - Serial to Serial/Parallel 1 16 2 V 6 V 10 x 4 x 1.5mm 10mm 4mm
RS Stock No. 910-1420
Mfr. Part No.MIC5891YWM
BrandMicrochip
£2.18
Each (In a Pack of 5)
Units
SOIC W Driver, Shift Register 8 MIC Surface Mount - Serial to Serial/Parallel 1 16 5 V 12 V 10.39 x 7.65 x 2.39mm 10.39mm 7.65mm
RS Stock No. 121-8427
Mfr. Part No.SN74HC595DR
£0.103
Each (On a Reel of 2500)
Units
SOIC Shift Register 8 HC Surface Mount - Serial to Serial/Parallel 1 16 2 V 6 V 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm
RS Stock No. 333-2984
Mfr. Part No.SN74HC166N
£0.306
Each (In a Tube of 25)
Units
PDIP Shift Register 8 HC Through Hole - Serial to Serial/Parallel 1 16 2 V 6 V 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm
RS Stock No. 526-757
Mfr. Part No.SN74HC595D
£0.382
Each (In a Tube of 40)
Units
SOIC Shift Register 8 HC Surface Mount - Serial to Serial/Parallel 1 16 2 V 6 V 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm
RS Stock No. 816-8851
Mfr. Part No.74LVC595ABQ,115
BrandNexperia
£0.381
Each (In a Pack of 15)
Units
QFN Shift Register 8 74LVC Surface Mount - Serial to Serial/Parallel 1 16 1.65 V 3.6 V 3.6 x 2.6 x 0.95mm 3.6mm 2.6mm
RS Stock No. 165-8733
Mfr. Part No.74LVC595ABQ,115
BrandNexperia
£0.161
Each (On a Reel of 3000)
Units
QFN Shift Register 8 74LVC Surface Mount - Serial to Serial/Parallel 1 16 1.65 V 3.6 V 3.6 x 2.6 x 0.95mm 3.6mm 2.6mm
RS Stock No. 443-104
Mfr. Part No.SN74HC166N
£0.37
Each
Units
PDIP Shift Register 8 HC Through Hole - Parallel to Serial, Serial 1 16 2 V 6 V 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm
RS Stock No. 662-9559
Mfr. Part No.CD40193BE
£0.418
Each (In a Pack of 5)
Units
PDIP Counter 4 4000 Through Hole Binary Down Counter, Up Counter 1 16 3 V 18 V 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm
RS Stock No. 709-2999
Mfr. Part No.SN74LS163ANE4
£0.574
Each (In a Pack of 5)
Units
PDIP Counter 4 LS Through Hole Binary Up Counter 1 16 4.75 V 5.25 V 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm
RS Stock No. 178-6969
Mfr. Part No.74HC4060D,652
BrandNexperia
£0.287
Each (In a Tube of 50)
Units
SOIC Counter 14 HC Surface Mount Binary Up Counter 1 16 2 V 6 V 10 x 4 x 1.45mm 10mm 4mm
RS Stock No. 540-0231
Mfr. Part No.TC74HC4040AP(F)
BrandToshiba
£0.432
Each (In a Pack of 5)
Units
PDIP Counter 12 HC Through Hole Binary Up Counter 1 16 2 V 6 V 19.25 x 6.4 x 3.5mm 19.25mm 6.4mm
RS Stock No. 145-0135
Mfr. Part No.CD40193BE
£0.349
Each (In a Tube of 25)
Units
PDIP Counter 4 4000 Through Hole Binary Down Counter, Up Counter 1 16 3 V 18 V 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm
RS Stock No. 178-9163
Mfr. Part No.CD74HCT165M96
£0.381
Each (In a Tube of 40)
Units
SOIC Shift Register 8 HCT Surface Mount - Serial to Serial/Parallel 1 16 4.5 V 5.5 V 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm
RS Stock No. 177-6708
Mfr. Part No.74HC4060D,652
BrandNexperia
£0.37
Each
Units
SOIC Counter 14 HC Surface Mount Binary Up Counter 1 16 2 V 6 V 10 x 4 x 1.45mm 10mm 4mm
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