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BU4021BF-E2

BU4021BF-E2

BU4021BF-E2

ROHM Semiconductor

Shift Register -40°C~85°C Shift Register 4000B Series 4021 16 Pin 5V 16-SOIC (0.173, 4.40mm Width)

SOT-23

BU4021BF-E2 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 12 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 16-SOIC (0.173, 4.40mm Width)
Number of Pins 16
Operating Temperature-40°C~85°C
PackagingTape & Reel (TR)
Published 2001
Series 4000B
JESD-609 Code e2
Pbfree Code yes
Part StatusNot For New Designs
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 16
Terminal Finish TIN COPPER
Technology CMOS
Voltage - Supply 3V~16V
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Time@Peak Reflow Temperature-Max (s) 10
Base Part Number 4021
Function Parallel or Serial to Serial
Output Type Push-Pull
Operating Supply Voltage15V
Number of Elements 1
Supply Voltage-Min (Vsup) 3V
Propagation Delay115 ns
Logic Function Shift Register
Direction Unidirectional
Logic Type Shift Register
Output Polarity TRUE
Number of Bits per Element 8
Trigger Type POSITIVE EDGE
Number of Input Lines 9
Number of Output Lines 3
Width 4.4mm
Radiation HardeningNo
REACH SVHC Unknown
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:4947 items

Pricing & Ordering

QuantityUnit PriceExt. Price

BU4021BF-E2 Product Details

BU4021BF-E2 Overview


As a result, 16-SOIC (0.173, 4.40mm Width) package contains the embedded device. 16 is the number of terminations on the chip. This item is packed in case Tape & Reel (TR). There is 5V operating supply voltage listed on the part. 1 elements make up this part. There are 16 pins on the device. Using Surface Mount as a mount point is recommended. Surface Mount is the way in which this component is mounted. There is a temperature range of -40°C~85°C. Votage within the range of 3V~16V is supplied. In this case, the electrical component belongs to the series 4000B. If you use the 4021 family, you can find parts that are similar. As noted, this chip operates within the range of 15V. This part must have a minimum supply voltage (Vsup) of 3V. The device has a total of 9 input lines. Operating on 3 output lines is possible.

BU4021BF-E2 Features


With 16 pins
Mounted in Surface Mount type.
Based on 4021 family
Operate supply voltage at 15V
With 3 output lines


BU4021BF-E2 Applications


There are a lot of ROHM Semiconductor
BU4021BF-E2 Shift Registers applications.


  • Flash Memory
  • Cache memory in CPU
  • Data Format Converters
  • Data Processors
  • Pseudo Random Pattern Generator
  • Pulse Extenders
  • Pattern Recognizers
  • Interconnectors
  • Counter
  • Data manipulation

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