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庫存編號 662-9657
製造零件編號CD4059AM
HK$25.32
單位
SOIC Counter, Divider 5 4000 Surface Mount Divide-By-N Down Counter 1 24 3 V 12 V 15.4 x 7.52 x 2.35mm 15.4mm 7.52mm
RS庫存編號 163-0609
製造零件編號MC74HCT4094ADR2G
HK$1.06
個 (在毎卷:2500)
單位
SOIC Shift Register 8 MC74 Surface Mount - Serial 1 16 4.5 V 5.5 V 10 x 4 x 1.5mm 10mm 4mm
RS庫存編號 539-8661
製造零件編號TC74AC164P(F)
BrandToshiba
HK$15.216
/個 (每包:5個)
單位
PDIP Shift Register 8 AC Through Hole - Serial to Parallel 1 14 2 V 5.5 V 19.25 x 6.4 x 3.5mm 19.25mm 6.4mm
RS庫存編號 809-5788
製造零件編號SN74HC193PW
HK$4.097
/個 (每包:15個)
單位
TSSOP Counter 4 HC Surface Mount Binary Down Counter, Up Counter 1 16 2 V 6 V 5.1 x 4.5 x 1.05mm 5.1mm 4.5mm
RS庫存編號 806-2983
製造零件編號MM74HC595MTC
HK$3.38
毎管:94 個
單位
TSSOP Shift Register 8 74HC Surface Mount - Serial/Parallel 1 16 2 V 6 V 5 x 4.4 x 0.9mm 5mm 4.4mm
RS庫存編號 527-592
製造零件編號CD74HC4094PWR
HK$3.636
/個 (每包:25個)
單位
TSSOP Shift Register 8 HC Surface Mount - Serial to Serial/Parallel 1 16 2 V 6 V 5 x 4.4 x 1.15mm 5mm 4.4mm
RS庫存編號 791-8753
製造零件編號74HC595BQ,115
BrandNexperia
HK$2.45
/個 (每包:50個)
單位
VQFN Shift Register 8 HC Surface Mount - Serial to Serial/Parallel 1 16 2 V 6 V 3.6 x 2.6 x 0.95mm 3.6mm 2.6mm
RS庫存編號 663-2442
製造零件編號SN74LS165AD
HK$6.008
/個 (每包:5個)
單位
SOIC Shift Register 8 LS Surface Mount - Serial to Serial/Parallel 1 16 4.75 V 5.25 V 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm
RS庫存編號 186-9095
製造零件編號MC74HCT595ADR2G
HK$1.076
個 (在毎卷:2500)
單位
SOIC Shift Register 8 HCT Surface Mount - Serial to Parallel - 16 4.5 V dc 5.5 V dc 10 x 4 x 1.5mm 10mm 4mm
RS庫存編號 145-1056
製造零件編號CD4033BE
HK$9.732
毎管:25 個
單位
PDIP Counter, Divider 5 4000 Through Hole Decade Up Counter 1 16 3 V 18 V 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm
RS庫存編號 806-1551
製造零件編號MC74HC393ADTR2G
HK$3.489
Each (On a Tape of 25)
單位
TSSOP Counter 4 MC74 Surface Mount Binary Up Counter 2 14 2 V 6 V 5.1 x 4.5 x 1.05mm 5.1mm 4.5mm
RS庫存編號 803-0967
製造零件編號74VHC164MTCX
HK$2.881
/個 (每包:20個)
單位
SOP Shift Register 8 VHC Surface Mount - Serial to Parallel 1 14 2 V 5.5 V 10.2 x 5.3 x 1.8mm 10.2mm 5.3mm
RS庫存編號 145-4245
製造零件編號MC100EP016AMNG
HK$156.898
毎管:74 個
單位
QFN Counter 8 ECL Surface Mount Binary Up Counter 1 32 3 V 3.6 V 5 x 5 x 0.95mm 5mm 5mm
RS庫存編號 483-6465
製造零件編號74HC191D,652
BrandNexperia
HK$4.616
/個 (每包:10個)
單位
SOIC Counter 4 HC Surface Mount Binary Down Counter, Up Counter 1 16 2 V 6 V 10 x 4 x 1.45mm 10mm 4mm
RS庫存編號 662-7339
製造零件編號CD74HCT40103M96
HK$9.802
/個 (每包:5個)
單位
SOIC Counter 8 HCT Surface Mount Binary Down Counter 1 16 4.5 V 5.5 V 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm
RS庫存編號 169-5720
製造零件編號CD74HC4094PW
HK$4.155
毎管:90 個
單位
TSSOP Shift Register 8 HC Surface Mount - Serial to Serial/Parallel 1 16 2 V 6 V 5 x 4.4 x 1.15mm 5mm 4.4mm
RS庫存編號 662-8130
製造零件編號SN74HC166DR
HK$2.87
/個 (每包:10個)
單位
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庫存編號 100-0742
製造零件編號SN74LS590N
HK$76.058
毎管:25 個
單位
PDIP Counter 8 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庫存編號 808-0098
製造零件編號MC74HC164ADTR2G
HK$1.313
Each (On a Tape of 200)
單位
TSSOP Shift Register 8 HC Surface Mount - Serial to Parallel 1 14 2 V 6 V 5.1 x 4.5 x 1.05mm 5.1mm 4.5mm
RS庫存編號 186-9090
製造零件編號MC74HC4020ADG
HK$3.749
毎管:48 個
單位
SOIC Counter 14 HC Surface Mount Binary - 1 16 2 V 6 V 10 x 4 x 1.5mm 10mm 4mm