Clock Dividers

Clock dividers are a type of frequency divider, which mean they generate a low-frequency output from a high-frequency input. Clock dividers are used as frequency synthesisers as part of applications such as electronic countermeasures equipment, communications systems and laboratory instruments.


Types of clock dividers

There are two main types of clock dividers: analog and digital. 


Analog

Analog clock dividers are less common and are typically used at very high frequencies. They operate by injecting a low-intensity, high-frequency signal into an oscillator. This in turn causes the oscillator to oscillate in step with the input signal, and its output is fed through a low-pass filter to provide the lower-frequency signal required.


Digital

Digital clock dividers as implemented in modern integrated circuits can function up to the tens of GHz range. Using a type of register known as a shift network, digital clock dividers take the last register's output and return it to the input register. The output signal is then derived from one or more of the register outputs. 


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Description Price Logic Family Logic Function Input Signal Type Output Logic Level Number of Clock Inputs Operation Mode Mounting Type Package Type Pin Count Dimensions Length Width Height Maximum Operating Supply Voltage
RS Stock No. 162-4295
Mfr. Part No.SN74LS294N
SGD28.541
Each (In a Tube of 25)
units
- - - - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm -
RS Stock No. 442-858
Mfr. Part No.SN74LS294N
SGD32.40
Each
units
- - - - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm -
RS Stock No. 908-0787
Mfr. Part No.MC100EP32DG
SGD9.335
Each (In a Pack of 2)
units
ECL Clock Divider ECL ECL 2 Single Ended Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V
RS Stock No. 802-2061
Mfr. Part No.NB7V33MMNG
SGD11.31
Each
units
CML, LVDS, LVPECL Clock Divider CML, LVDS, LVPECL CML 2 Differential Surface Mount QFN 16 3 x 3 x 0.95mm 3mm 3mm 0.95mm 2.625 V
RS Stock No. 162-9986
Mfr. Part No.MC100EP32DG
SGD8.76
Each (In a Tube of 98)
units
ECL Clock Divider ECL ECL 2 Single Ended Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V
RS Stock No. 145-5266
Mfr. Part No.MC100EL33DG
SGD5.124
Each (In a Tube of 98)
units
ECL Divider ECL ECL, NECL, PECL 2 Differential, Single Ended Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 8 V
RS Stock No. 162-9987
Mfr. Part No.MC100EP33DG
SGD8.76
Each (In a Tube of 98)
units
ECL Clock Divider ECL ECL 2 Single Ended Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V
RS Stock No. 787-6823
Mfr. Part No.MC10EL32DG
SGD7.14
Each
units
ECL Clock Divider ECL ECL 1 Differential Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.7 V
RS Stock No. 160-0740
Mfr. Part No.AD9508BCPZ
SGD9.80
Each (In a Tray of 490)
units
ECL Buffer Differential CMOS, HSTL, LVDS 1 Differential Surface Mount LFCSP 24 4.1 x 4.1 x 0.75mm 4.1mm 4.1mm 0.75mm 3.465 V
RS Stock No. 787-6955
Mfr. Part No.NB6L239MNG
SGD16.85
Each
units
ECL Clock Divider CML, HCSL, HSTL, LVDS, LVPECL LVPECL 2 Differential Surface Mount QFN 16 3 x 3 x 0.95mm 3mm 3mm 0.95mm 3.465 V
RS Stock No. 163-0506
Mfr. Part No.MC10EP32DG
SGD8.74
Each (In a Tube of 98)
units
ECL Clock Divider ECL ECL 1 Differential Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V
RS Stock No. 162-8982
Mfr. Part No.NB6N239SMNG
SGD13.02
Each (In a Tube of 123)
units
CML, HCSL, HSTL, LVDS, LVPECL Clock Divider CML, HCSL, HSTL, LVDS, LVPECL LVDS 2 Differential Surface Mount QFN 16 3 x 3 x 0.95mm 3mm 3mm 0.95mm 3.465 V
RS Stock No. 121-6395
Mfr. Part No.NB6L239MNG
SGD13.339
Each (In a Tube of 123)
units
ECL Clock Divider CML, HCSL, HSTL, LVDS, LVPECL LVPECL 2 Differential Surface Mount QFN 16 3 x 3 x 0.95mm 3mm 3mm 0.95mm 3.465 V
RS Stock No. 806-2564
Mfr. Part No.MC100EL33DG
SGD6.675
Each (In a Pack of 2)
units
ECL Divider ECL ECL, NECL, PECL 2 Differential, Single Ended Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 8 V
RS Stock No. 802-2055
Mfr. Part No.NB6N239SMNG
SGD11.15
Each
units
LVDS, LVPECL, CML, HSTL, HCSL Clock Divider CML, HCSL, HSTL, LVDS, LVPECL LVDS 2 Differential Surface Mount QFN 16 3 x 3 x 0.95mm 3mm 3mm 0.95mm 3.465 V
RS Stock No. 540-0461
Mfr. Part No.TC74HC7292AP(F)
BrandToshiba
SGD3.088
Each (In a Pack of 5)
units
- - - - - - Through Hole - 16 19.25 x 6.4 x 3.5mm 19.25mm 6.4mm 3.5mm -
RS Stock No. 808-4075
Mfr. Part No.MC10EP32DG
SGD6.155
Each (In a Pack of 2)
units
ECL Clock Divider ECL ECL 1 Differential Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V
RS Stock No. 908-0796
Mfr. Part No.MC100EP33DG
SGD9.335
Each (In a Pack of 2)
units
ECL Clock Divider ECL ECL 2 Single Ended Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V
RS Stock No. 162-9384
Mfr. Part No.MC10EL32DG
SGD6.57
Each (In a Tube of 98)
units
ECL Clock Divider ECL ECL 1 Differential Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.7 V
RS Stock No. 804-9842
Mfr. Part No.AD9508BCPZ
SGD13.66
Each
units
ECL Buffer Differential CMOS, HSTL, LVDS 1 Differential Surface Mount LFCSP 24 4.1 x 4.1 x 0.75mm 4.1mm 4.1mm 0.75mm 3.465 V
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