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C4520

  

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Hitachi
Hitachi -> Renesas Electronics
HD74HC4520 Dual BCD Use Converters/Dual Binary Up Converters

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-going or 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)


other parts : HD74HC4518  
HD74HC4520 PDF
Kexin
KEXIN Industrial
2SC4520 NPN Epitaxial Planar Silicon Transistor

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

 


other parts : 2SC4520R  2SC4520S  2SC4520T  
2SC4520 PDF
Semtech
Semtech Corporation
SC4520 3A Step-Down Switching Regulator with Adjustable Switching Frequency

Description
The SC4520 is a current mode switching regulator with an integrated switch and an adjustable frequency with enable function. The integrated switch allows for cost effective, low power solutions with a peak switch current of 3 amps. An adjustable high frequency of 100kHz to 600kHz provides for fast dynamic response and instantaneous duty cycle adjustment as the input varies, making the device ideal for CPE applications where the input is a wall plug power. Low shutdown current also makes the this device an excellent choice for portable applications where conserving battery life is of prime concern.

Features
♦ Wide operating voltage range: 4.4V to 24V
♦ Integrated 3 Amp switch
♦ 100kHz to 600kHz adjustable frequency operation
♦ Current mode control
♦ Precision enable threshold
♦ SO-8 EDP package. Lead-free product, fully WEEE and RoHS compliant

Applications
♦ XDSL modems
♦ CPE equipment
♦ DC-DC point of load applications
♦ Portable equipment
♦ Digtial consumer electronics

 


other parts : SDC4520EVB  SPC4520SETRT  
SC4520 PDF
Philips
Philips Electronics
74HC4520 Dual 4-bit synchronous binary counter

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


other parts : 74HCT4520D  74HCT4520DB  74HCT4520N  74HCT4520U  74HCT4520  74HC4520D  74HC4520DB  74HC4520N  74HC4520PW  74HCHCT4520  
74HC4520 PDF
NXP
NXP Semiconductors.
74HC4520 Dual 4-bit synchronous binary counter

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


other parts : 74HCT4520N,112  74HC4520D  74HC4520DB  74HC4520N  74HC4520PW  74HCHCT4520  74HCT4520  74HCT4520D  74HCT4520DB  74HCT4520N  
74HC4520 PDF
Renesas
Renesas Electronics
HD74HC4520 Dual BCD Up Counters / Dual Binary Up Counters

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)


other parts : HD74HC4518  HD74HC4518FPEL  HD74HC4518P  HD74HC4520FPEL  HD74HC4520P  HD74HC4520RPEL  
HD74HC4520 PDF
Micro-Electronics
Micro Electronics
MMC4520 DUAL BCD UP COUNTER
other parts : MMC4518  
MMC4520 PDF
KEC
KEC
KTC4520 TRIPLE DIFFUSED NPN TRANSISTOR

SWITCHING REGULATOR APPLICATION.
HIGH VOLTAGE SWITCHING APPLICATION.

FEATURES
· Excellent Switching Times.
   : ton=0.5μS(Max.), tf=0.3μS(Max.), at IC=2A.
· High Collector Voltage : VCEO=500V.

 


other parts : KTC4520F  
KTC4520 PDF
TI
Texas Instruments
CD54HC4520 High-Speed CMOS Logic Dual Synchronous Counters

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


other parts : 5962-8995401EA  CD54HC4520F  CD54HC4520F3A  CD74HC4518  CD74HC4518E  CD74HC4520  CD74HC4520E  CD74HC4520EE4  CD74HC4520M  CD74HC4520M96  
CD54HC4520 PDF
ST-Microelectronics
STMicroelectronics
M74HC4520 HC4520 DUAL 4 BIT BINARY COUNTER HC4518 DUAL DECADE COUNTER

DESCRIPTION
The M54/74HC4518/4520 are high speed CMOS DUAL 4 BIT BINARY COUNTERS fabricated in silicon gate C2MOS technology. They have the same high speed performance of LSTTL combined with true CMOS low power consumption.

.HIGH SPEED
  fMAX= 55 MHz (TYP.) at VCC=5V
.LOW POWER DISSIPATION
  ICC=4µA (MAX.) AT TA=25°C
.HIGH NOISE IMMUNITY
  VNIH=VNIL=28%VCC(MIN.)
.OUTPUT DRIVE CAPABILITY
  10 LSTTL LOADS
.SYMMETRICAL OUTPUT IMPEDANCE
  |IOH|=IOL= 4 mA (MIN.)
.BALANCED PROPAGATION DELAYS
  tPLH=tPHL
.WIDE OPERATING VOLTAGE RANGE
  VCC(OPR) = 2 V TO 6 V
.PIN AND FUNCTION COMPATIBLE WITH 4520B/4518B


other parts : M54HC1520B1R  M54HC1520C1R  M54HC1520F1R  M54HC1520M1R  M54HC4518  M54HC4518B1R  M54HC4518C1R  M54HC4518F1R  M54HC4518M1R  M54HC4520  
M74HC4520 PDF
SANYO
SANYO -> Panasonic
2SC4520 High-Speed Switching Applications / NPN Epitaxial Planar Silicon Transistor

* Adoption of FBET, MBIT processes

* Large current capacity

* Low collector-to-emitter saturation voltage

* Fast switching speed

* Small-sized package.


other parts : C4520  
2SC4520 PDF
ST-Microelectronics
STMicroelectronics
M54HC4520 HC4520 DUAL 4 BIT BINARY COUNTER HC4518 DUAL DECADE COUNTER

DESCRIPTION
The M54/74HC4518/4520 are high speed CMOS DUAL 4 BIT BINARY COUNTERS fabricated in silicon gate C2MOS technology. They have the same high speed performance of LSTTL combined with true CMOS low power consumption.

.HIGH SPEED
  fMAX= 55 MHz (TYP.) at VCC=5V
.LOW POWER DISSIPATION
  ICC=4µA (MAX.) AT TA=25°C
.HIGH NOISE IMMUNITY
  VNIH=VNIL=28%VCC(MIN.)
.OUTPUT DRIVE CAPABILITY
  10 LSTTL LOADS
.SYMMETRICAL OUTPUT IMPEDANCE
  |IOH|=IOL= 4 mA (MIN.)
.BALANCED PROPAGATION DELAYS
  tPLH=tPHL
.WIDE OPERATING VOLTAGE RANGE
  VCC(OPR) = 2 V TO 6 V
.PIN AND FUNCTION COMPATIBLE WITH 4520B/4518B


other parts : M54HC1520B1R  M54HC1520C1R  M54HC1520F1R  M54HC1520M1R  M54HC4518  M54HC4518B1R  M54HC4518C1R  M54HC4518F1R  M54HC4518M1R  M54M74HC4518  
M54HC4520 PDF

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