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C4520

  

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CD74HC4520MT [High-Speed CMOS Logic Dual Synchronous Counters ]

other parts : CD54HC4520  CD74HC4518  CD74HC4520  CD74HC4520M  CD74HC4520M96  CD74HC4520M96G4  CD74HC4520ME4  CD74HC4520MG4  CD74HCT4520  CD74HCT4520EE4 

Texas-Instruments
Texas Instruments

Description
The CD74HC4518 is a dual BCD up-counter. The ’HC4520 and CD74HCT4520 are dual binary up-counters. Each device consists of two independent internally synchronous 4-stage counters. The counter stages are D-type flip-flops having interchangeable CLOCK and ENABLE lines for incrementing on either the positive-going or the negative going transition of CLOCK. The counters are cleared by high levels on the MASTER RESET lines. The counter can be cascaded in the ripple mode by connecting Q3 to the ENABLE input of the subsequent counter while the CLOCK input of the latter is held low.

Features
• Positive or Negative Edge Triggering
• Synchronous Internal Carry Propagation
• Fanout (Over Temperature Range)
   - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
   - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature Range . . . -55°C to 125°C
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL
   Logic ICs
• HC Types
   - 2V to 6V Operation
   - High Noise Immunity: NIL = 30%, NIH = 30% of VCC
      at VCC = 5V
• HCT Types
   - 4.5V to 5.5V Operation
   - Direct LSTTL Input Logic Compatibility,
      VIL= 0.8V (Max), VIH = 2V (Min)
   - CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH

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CD74HC4520MTE4 [High-Speed CMOS Logic Dual Synchronous Counters ]

other parts : CD54HC4520  CD74HC4518  CD74HC4520  CD74HCT4520  5962-8995401EA  CD54HC4520F  CD54HC4520F3A  CD74HC4518E  CD74HC4518EE4  CD74HC4520E 

TI
Texas Instruments

Description
The CD74HC4518 is a dual BCD up-counter. The ’HC4520 and CD74HCT4520 are dual binary up-counters. Each device consists of two independent internally synchronous 4-stage counters. The counter stages are D-type flip-flops having interchangeable CLOCK and ENABLE lines for incrementing on either the positive-going or the negative going transition of CLOCK. The counters are cleared by high levels on the MASTER RESET lines. The counter can be cascaded in the ripple mode by connecting Q3 to the ENABLE input of the subsequent counter while the CLOCK input of the latter is held low.

Features
• Positive or Negative Edge Triggering
• Synchronous Internal Carry Propagation
• Fanout (Over Temperature Range)
   - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
   - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature Range . . . -55°C to 125°C
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL Logic ICs
• HC Types
   - 2V to 6V Operation
   - High Noise Immunity: NIL= 30%, NIH= 30% of VCCat VCC= 5V
• HCT Types
   - 4.5V to 5.5V Operation
   - Direct LSTTL Input Logic Compatibility,VIL= 0.8V (Max), VIH= 2V (Min)
   - CMOS Input Compatibility, Il ≤1µA at VOL, VOH

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74HC4520N [Dual 4-bit synchronous binary counter ]

other parts : 74HCT4520D  74HCT4520DB  74HCT4520N  74HCT4520U  74HCT4520  74HC4520  74HC4520D  74HC4520DB  74HC4520PW  74HCHCT4520 

Philips
Philips Electronics

GENERAL DESCRIPTION
The 74HC/HCT4520 are high-speed Si-gate CMOS devices and are pin compatible with the “4520” of the “4000B” series. They are specified in compliance with JEDEC standard no. 7A.
The 74HC/HCT4520 are dual 4-bit internally synchronous binary counters with an active HIGH clock input (nCP0) and an active LOW clock input (nCP1), buffered outputs from all four bit positions (nQ0 to nQ3) and an active HIGH overriding asynchronous master reset input (nMR).
The counter advances on either the LOW-to-HIGH transition of nCP0 if nCP1 is HIGH or the HIGH-to-LOW transition of nCP1 if nCP0 is LOW. Either nCP0 or nCP1 may be used as the clock input to the counter and the other clock input may be used as a clock enable input. A HIGH on nMR resets the counter (nQ0 to nQ3 = LOW) independent of nCP0 and nCP1.

FEATURES
• Output capability: standard
• ICC category: MSI

APPLICATIONS
• Multistage synchronous counting
• Multistage asynchronous counting
• Frequency dividers

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74HC4520N [Dual 4-bit synchronous binary counter ]

other parts : 74HCT4520N,112  74HC4520  74HC4520D  74HC4520DB  74HC4520PW  74HCHCT4520  74HCT4520  74HCT4520D  74HCT4520DB  74HCT4520N 

NXP
NXP Semiconductors.

GENERAL DESCRIPTION
The 74HC/HCT4520 are high-speed Si-gate CMOS devices and are pin compatible with the “4520” of the “4000B” series. They are specified in compliance with JEDEC standard no. 7A.
The 74HC/HCT4520 are dual 4-bit internally synchronous binary counters with an active HIGH clock input (nCP0) and an active LOW clock input (nCP1), buffered outputs from all four bit positions (nQ0 to nQ3) and an active HIGH overriding asynchronous master reset input (nMR).
The counter advances on either the LOW-to-HIGH transition of nCP0 if nCP1 is HIGH or the HIGH-to-LOW transition of nCP1 if nCP0 is LOW. Either nCP0 or nCP1 may be used as the clock input to the counter and the other clock input may be used as a clock enable input. A HIGH on nMR resets the counter (nQ0 to nQ3 = LOW) independent of nCP0 and nCP1.

FEATURES
• Output capability: standard
• ICC category: MSI

APPLICATIONS
• Multistage synchronous counting
• Multistage asynchronous counting
• Frequency dividers

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HD74HC4520P [Dual BCD Up Counters / Dual Binary Up Counters ]

other parts : HD74HC4518  HD74HC4518FPEL  HD74HC4518P  HD74HC4520  HD74HC4520FPEL  HD74HC4520RPEL 

Renesas
Renesas Electronics

Description
The HD74HC4518 dual BCD counter and the HD74HC4520 dual binary counter consist of two identical, independent, internally synchronous 4-stage counters. The counter stages are type D flip-flops, with interchangeable Clock and Enable lines for incrementing on either the positive-goingor negative-going transition as required when cascading multiple stages. Each counter can be cleared by applying a high level on the Reset line. In addition, the HD74HC4518 will count out of all undefined states within two clock periods. These complementary MOS up counters find primary use in multi-stage synchronous or ripple counting applications requiring low power dissipation and/or high noise immunity.

Features
•  High Speed Operation
•  High Output Current: Fanout of 10 LSTTL Loads
•  Wide Operating Voltage: VCC= 2 to 6 V
•  Low Input Current: 1 µA max
•  Low Quiescent Supply Current: ICC(static) = 4 µA max (Ta = 25°C)

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74HC4520PW [Dual 4-bit synchronous binary counter ]

other parts : 74HCT4520D  74HCT4520DB  74HCT4520N  74HCT4520U  74HCT4520  74HC4520  74HC4520D  74HC4520DB  74HC4520N  74HCHCT4520 

Philips
Philips Electronics

GENERAL DESCRIPTION
The 74HC/HCT4520 are high-speed Si-gate CMOS devices and are pin compatible with the “4520” of the “4000B” series. They are specified in compliance with JEDEC standard no. 7A.
The 74HC/HCT4520 are dual 4-bit internally synchronous binary counters with an active HIGH clock input (nCP0) and an active LOW clock input (nCP1), buffered outputs from all four bit positions (nQ0 to nQ3) and an active HIGH overriding asynchronous master reset input (nMR).
The counter advances on either the LOW-to-HIGH transition of nCP0 if nCP1 is HIGH or the HIGH-to-LOW transition of nCP1 if nCP0 is LOW. Either nCP0 or nCP1 may be used as the clock input to the counter and the other clock input may be used as a clock enable input. A HIGH on nMR resets the counter (nQ0 to nQ3 = LOW) independent of nCP0 and nCP1.

FEATURES
• Output capability: standard
• ICC category: MSI

APPLICATIONS
• Multistage synchronous counting
• Multistage asynchronous counting
• Frequency dividers

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74HC4520PW [Dual 4-bit synchronous binary counter ]

other parts : 74HCT4520N,112  74HC4520  74HC4520D  74HC4520DB  74HC4520N  74HCHCT4520  74HCT4520  74HCT4520D  74HCT4520DB  74HCT4520N 

NXP
NXP Semiconductors.

GENERAL DESCRIPTION
The 74HC/HCT4520 are high-speed Si-gate CMOS devices and are pin compatible with the “4520” of the “4000B” series. They are specified in compliance with JEDEC standard no. 7A.
The 74HC/HCT4520 are dual 4-bit internally synchronous binary counters with an active HIGH clock input (nCP0) and an active LOW clock input (nCP1), buffered outputs from all four bit positions (nQ0 to nQ3) and an active HIGH overriding asynchronous master reset input (nMR).
The counter advances on either the LOW-to-HIGH transition of nCP0 if nCP1 is HIGH or the HIGH-to-LOW transition of nCP1 if nCP0 is LOW. Either nCP0 or nCP1 may be used as the clock input to the counter and the other clock input may be used as a clock enable input. A HIGH on nMR resets the counter (nQ0 to nQ3 = LOW) independent of nCP0 and nCP1.

FEATURES
• Output capability: standard
• ICC category: MSI

APPLICATIONS
• Multistage synchronous counting
• Multistage asynchronous counting
• Frequency dividers

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2SC4520R [NPN Epitaxial Planar Silicon Transistor ]

other parts : 2SC4520  2SC4520S  2SC4520T 

Kexin
KEXIN Industrial

Features
• Adoption of FBET, MBIT process.
• Large current capacity.
• Low collector-to-emitter saturation voltage.
• Fast switching speed.
• Small-sized package.

 

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HD74HC4520RPEL [Dual BCD Up Counters / Dual Binary Up Counters ]

other parts : HD74HC4518  HD74HC4518FPEL  HD74HC4518P  HD74HC4520  HD74HC4520FPEL  HD74HC4520P 

Renesas
Renesas Electronics

Description
The HD74HC4518 dual BCD counter and the HD74HC4520 dual binary counter consist of two identical, independent, internally synchronous 4-stage counters. The counter stages are type D flip-flops, with interchangeable Clock and Enable lines for incrementing on either the positive-goingor negative-going transition as required when cascading multiple stages. Each counter can be cleared by applying a high level on the Reset line. In addition, the HD74HC4518 will count out of all undefined states within two clock periods. These complementary MOS up counters find primary use in multi-stage synchronous or ripple counting applications requiring low power dissipation and/or high noise immunity.

Features
•  High Speed Operation
•  High Output Current: Fanout of 10 LSTTL Loads
•  Wide Operating Voltage: VCC= 2 to 6 V
•  Low Input Current: 1 µA max
•  Low Quiescent Supply Current: ICC(static) = 4 µA max (Ta = 25°C)

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2SC4520S [NPN Epitaxial Planar Silicon Transistor ]

other parts : 2SC4520  2SC4520R  2SC4520T 

Kexin
KEXIN Industrial

Features
• Adoption of FBET, MBIT process.
• Large current capacity.
• Low collector-to-emitter saturation voltage.
• Fast switching speed.
• Small-sized package.

 

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