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PDF BU2050F Data sheet ( Hoja de datos )
| Número de pieza | BU2050F | |
| Descripción | 4-input Serial-in / Parallel-out Drivers | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Datasheet
Serial-in / Parallel-out Driver Series
4-input Serial-in / Parallel-out Drivers
BU2050F
Description
BU2050F is a CMOS output driver. It incorporates a
built-in shift register and a latch circuit to turn on a
maximum of 8 outputs by a 4-line interface, linked to a
microcontroller.
A CMOS output provides maximum 25mA current.
Key Specifications
Power supply voltage range:
Output voltage:
Operating temperature range:
4.5V to 5.5V
0V to VDD
-40°C to +85°C
Features
LED can be driven directly
8 bit parallel output
Package
SOP14
W(Typ) x D(Typ) x H(Max)
8.70mm x 6.20mm x 1.71mm
Applications
Drive of LED
Drive of Solenoid
Drive of Relay
SOP14
BU2050F
Pin Configurations
P3 1
P4 2
P5 3
VSS 4
P6 5
P7 6
P8 7
(Top View)
14 VDD
13 P2
12 P1
11 CLR
10 STB
9 CLK
8 DATA
Block Diagrams
CLK
DATA
STB
CLR
Controller
Shift
Register
8bit
Latch
Write Buffer
P1 to P8
○Product structure：Silicon monolithic integrated circuit
.www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product has no designed protection against radioactive rays
1/1
TSZ02201-0RHR1GZ00120-1-2
18.Apr.2016 Rev.003
1 page  
BU2050F
Test Circuits - continued
VDD
IDD+ A
14 13 12 11 10 9 8
1 23 45 6 7
VSS
Figure 5. Test Circuit of Static Dissipation Current
VDD
14 13 12 11 10 9 8
123 456 7
VSS
PatternGenerator
VIH
VIL
VSS
Figure 6. Test Circuit of Switching Characteristics
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/11
TSZ02201-0RHR1GZ00120-1-2
18.Apr.2016 Rev.003
5 Page 
BU2050F
Revision History
Date
Revision
08.Nov.2013
001 New Release
Changes
18.Sep.2015
002 Page.6 Truth Table : When CLR=L, modified the output=H-> L.
18.Apr.2016
Page.1 Features Deleted “This product can be operated on low voltage”.
Page.1 Key Specifications Modified power supply voltage range
from”2.7V to 5.5V” to ”4.5V to 5.5V”.
Page.2 Pin Descriptions Modified “Function” sentences of pin name STB and CLR.
Page.2 Recommended Operating Conditions Modified supply voltage
from”+2.7V to +5.5V” to ”+4.5V to +5.5V”.
003
Page.3 Electrical Characteristics Modified name from “Timing Characteristics” to
“Switching Characteristics”
Page.3 Electrical Characteristics Modified pin name of propagation delay TPDPCK
from “CLR” to “CLK”.
Page.6 Timing chart Modified pin name from ”STB” to ”STB”.
Modified description sentences.
Page.7 I/O Equivalence Circuits Modified pin name from ”CLOCK” to ”CLK”.
Page.7 Power Dissipation Modified description sentences.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
11/11
TSZ02201-0RHR1GZ00120-1-2
18.Apr.2016 Rev.003
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet BU2050F.PDF ] | |
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