hef4794b NXP Semiconductors, hef4794b Datasheet

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hef4794b

Manufacturer Part Number
hef4794b
Description
8-stage Shift-and-store Register Led Driver
Manufacturer
NXP Semiconductors
Datasheet

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Product specification
Supersedes data of 1994 Jul 01
File under Integrated Circuits, IC04
DATA SHEET
HEF4794B
8-stage shift-and-store register
LED driver
INTEGRATED CIRCUITS
1999 Jun 30

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hef4794b Summary of contents

Page 1

... DATA SHEET HEF4794B 8-stage shift-and-store register LED driver Product specification Supersedes data of 1994 Jul 01 File under Integrated Circuits, IC04 INTEGRATED CIRCUITS 1999 Jun 30 ...

Page 2

... Philips Semiconductors 8-stage shift-and-store register LED driver APPLICATIONS Automotive Industrial. GENERAL DESCRIPTION The HEF4794B is an 8-stage serial shift register having a storage latch associated with each stage for strobing data from the serial input to parallel LED driver outputs Data is shifted on positive-going clock ...

Page 3

... Product specification HEF4794B STAGE latch latch 8 HEF4794B MBD911 STR HEF4794B MBD910 Fig.4 Pin configuration ...

Page 4

... < Product specification HEF4794B amb 40 +25 MAX. MIN. MAX. MIN. 0.75 0.75 0.75 0.75 0.75 0. +85 UNIT MAX. 1.5 V 1 ...

Page 5

... 120 240 480 160 15 55 110 ; 5 170 340 150 15 60 120 5 Product specification HEF4794B TYPICAL FORMULA FOR 1200f 5550f + 15000f + TYPICAL ...

Page 6

... Product specification HEF4794B TYPICAL MAX. UNIT EXTRAPOLATION FORMULA 280 ns note 1 140 ns 110 ns 200 ns note 1 100 170 (1.0 ns/pF (0.42 ns/pF (0.28 ns/pF)C 170 (1.0 ns/pF)C ...

Page 7

... LED driver handbook, full pagewidth clock input data input strobe input output enable input internal O ' (FF1) 0 output O 0 internal O ' (FF7) 6 output O 6 serial output O S serial output 1999 Jun 30 Fig.5 Timing diagram. 7 Product specification HEF4794B MBD914 ...

Page 8

... Acrobat reader. white to force landscape pages to be ... HEF4794B D STR EO PWM dimmer input CONTROL AND SYNC CIRCUITRY DATA CLOCK from remote controller Fig.6 Application example: serial-to-parallel converting LED drivers HEF4794B STR MBD913 ...

Page 9

... MS-012AC detail 6.2 1.0 0.7 1.05 0.25 0.25 5.8 0.4 0.6 0.244 0.039 0.028 0.041 0.01 0.01 0.228 0.016 0.020 EUROPEAN PROJECTION Product specification HEF4794B SOT109 ( 0.7 0.1 0 0.028 0.004 0.012 ISSUE DATE 95-01-23 97-05-22 ...

Page 10

... Jun scale (1) ( 1.40 0.53 0.32 21.8 6.48 1.14 0.38 0.23 21.4 6.20 0.021 0.013 0.86 0.055 0.26 0.015 0.009 0.84 0.24 0.045 REFERENCES JEDEC EIAJ MO-001AE 10 Product specification HEF4794B 3.9 8.25 9.5 2.54 7.62 3.4 7.80 8.3 0.32 0.15 0.37 0.10 0.30 0.13 0.31 0.33 EUROPEAN PROJECTION SOT38-1 (1) ...

Page 11

... Use a low voltage ( less) soldering iron applied to the flat part of the lead. Contact time must be limited to 10 seconds 300 C. When using a dedicated tool, all other leads can be soldered in one operation within seconds between 270 and 320 C. 11 Product specification HEF4794B ...

Page 12

... Wave soldering is only suitable for SSOP and TSSOP packages with a pitch (e) equal to or larger than 0.65 mm definitely not suitable for packages with a pitch (e) equal to or smaller than 0.5 mm. 1999 Jun 30 PACKAGE suitable not suitable not suitable suitable not recommended not recommended 12 Product specification HEF4794B SOLDERING METHOD (1) WAVE REFLOW DIPPING (2) suitable suitable (3) suitable suitable ...

Page 13

... Philips customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. 1999 Jun 30 13 Product specification HEF4794B ...

Page 14

... Philips Semiconductors 8-stage shift-and-store register LED driver 1999 Jun 30 NOTES 14 Product specification HEF4794B ...

Page 15

... Philips Semiconductors 8-stage shift-and-store register LED driver 1999 Jun 30 NOTES 15 Product specification HEF4794B ...

Page 16

Philips Semiconductors – a worldwide company Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. Box 213, Tel. + ...

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