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BU4021B

BU4021B

BU4021B

ROHM Semiconductor

Shift Register 16 Pin 2.54mm 5V DIP

SOT-23

BU4021B Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Through Hole
Package / Case DIP
Number of Pins 16
PackagingBulk
JESD-609 Code e2
Pbfree Code yes
Number of Terminations 16
Terminal Finish Tin/Copper (Sn/Cu)
Max Operating Temperature85°C
Min Operating Temperature -40°C
Additional FeatureOUTPUTS ALSO AVAILABLE AT 6TH AND 7TH STAGE OF THE SHIFT REGISTER
Subcategory Shift Registers
Technology CMOS
Terminal Position DUAL
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 5V
Terminal Pitch2.54mm
Time@Peak Reflow Temperature-Max (s) 10
Pin Count16
Qualification StatusNot Qualified
Operating Supply Voltage15V
Temperature GradeINDUSTRIAL
Supply Voltage-Min (Vsup) 3V
Number of Circuits 1
Max Supply Voltage16V
Propagation Delay115 ns
Logic Function OR, Shift Register
Output Polarity TRUE
Logic IC Type PARALLEL IN SERIAL OUT
Number of Bits per Element 8
Trigger Type POSITIVE EDGE
Number of Input Lines 9
Number of Output Lines 3
Count Direction RIGHT
Height Seated (Max) 4.55mm
Width 7.62mm
RoHS StatusRoHS Compliant
Lead Free Lead Free
In-Stock:2413 items

BU4021B Product Details

BU4021B Overview


This device can be found embedded within the package DIP. A total of 16 terminations can be found on the chip. Bulk is the case in which it is packed. This part has an operating supply voltage of 5V. 16 pins are present on the device. It is recommended to mount by Through Hole in order to get the best results. It is noted that the operating supply voltage of this chip falls within the range 15V. Additionally, please note the following: OUTPUTS ALSO AVAILABLE AT 6TH AND 7TH STAGE OF THE SHIFT REGISTER. There must be a minimum supply voltage (Vsup) of 3V for this part. 9 input lines are available on the device. In total, there are 16 pins on it. It should be used below 85°C. In order for this device to function, the value should not be less than -40°C. 16V is the supply voltage used. The number of output lines to be operated is 3. The subcategory in which it falls belongs to is Shift Registers. In this device, there are 1 circuits that are active at the same time.

BU4021B Features


With 16 pins
Operate supply voltage at 15V
With 3 output lines


BU4021B Applications


There are a lot of ROHM Semiconductor
BU4021B Shift Registers applications.


  • Data Format Converters
  • Data Processors
  • Pseudo Random Pattern Generator
  • Pulse Extenders
  • Pattern Recognizers
  • Interconnectors
  • Counter
  • Data manipulation
  • Delay Line
  • Generate time delay toward digital circuits

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