ALLEGRO MICROSYSTEMS A6833 DABiC-5 32-Bit Serial Input Latched Sink Drivers handbook
Contents
1. oo sec us o n _ uipatteakage Curent ke Woro 9 V Voltage out 100 mA Input Voltage ponve EL LrH Input Current l iN O V lour 200 pA Serial Data Output Voltage OUT p lour 200 pA E Maximum Clock Frequency f One output on 100 mA Logic Supply Current NT P OUT DD 0 outputs off lai Vcc 50V R1 500 Q C1x30pF 2 Output Enable to Output Delay SED GC p ego Voc 90V R1 5000 CTs30pF o lt O Ba Vcc 50V R12 500 Q C1 lt 30pF t i Vcc 50V R1 500 O C1 lt 30pF Strobe to Output Delay A URS E to STH QH Vcc 50 V R1 500 Q C1 lt 30 pF Output Fall Time t Veco SOV R1 500 Q C1 lt 30pF Output Rise Time t Voc SOV R1 500 Q C1 lt 30pF O c C adt M O Aq oo e C 9v lPositive negative current is defined as conventional current going into coming out of the specified device pin 2Operation at a clock frequency greater than the specified minimum value is possible but not warranteed Truth Table Serial Shift Register Contents Serial Latch Contents Output Data Clock Strobe Enable Input L Low Logic Level P Present State H High Logic Level R Previous State X 7 Irrelevant www allegromicro com 115 Northeast Cutoff Box 15036 Worcester Massachusetts 01615 0036 508 853 5000 g9LL celoz jeeug geq EP Y ystems Inc ystems Inc Worcester Massachuset2. A6833 DABIC 5 32 Bit Serial Input Latched Sink Drivers A6833SEP 44 pin PLCC ABSOLUTE MAXIMUM RATINGS Output Voltage Vour Logic Supply Voltage Vpp Input Voltage Range Vi 0 3 V to Vy5 0 3 V Continuous Output Current each output Ioyr 125 mA Package Power Dissipation Pp PDO ee To TE T ata D edu 3 5 W AGBAJE P acadan err em errr ere 2 5 W Operating Temperature Range Ambient Temperature T4 Storage Temperature T Derate linearly to OW at 150 C Caution CMOS devices have input static protection but are susceptible to damage when exposed to extremely high static electrical charges Designed to reduce logic supply current chip size and system cost the A6833 integrated circuits offer high speed operation for thermal print ers These devices can also be used to drive multiplexed LED displays or incandescent lamps within their 125 mA peak output current rating The combination of bipolar and MOS technologies gives the A6833 smart power ICs an interface flexibility beyond the reach of standard buffers and power driver circuits These 32 bit drivers have bipolar open collector npn Darlington out puts a CMOS data latch for each of the drivers a 32 bit CMOS shift register and CMOS control circuitry The high speed CMOS shift registers and latches allow operation with most microprocessor based systems Use of these drivers with TTL may require input pull up resis tors to ensure an input logic high CMOS seri
3. al data outputs permit cascading for applications requiring additional drive lines The A6833 is supplied in a 44 lead plastic chip carrier quad pack intended for surface mounting on solder lands with 0 050 in 1 27 mm centers These devices are lead Pb free with 10096 matte tin plated leadframes FEATURES 3 3 V to 5 V logic supply range To 10 MHz data input rate 30 V minimum output breakdown Darlington current sink outputs Low power CMOS logic and latches Schmitt trigger inputs for improved noise immunity APPLICATIONS B Thermal printheads B Multiplexed LED displays B Incandescent lamps Use the following complete part numbers when ordering PanNumber Pins Package g9LL celoz jeeug geq x A6833 DABIC 5 32 Bit Serial Input Latched Sink Drivers Functional Block Diagram V bp CLOCK o SERIAL DATA IN STROBE SERIAL DATA OUT OUTPUT ENABLE o LOGIC GROUNDI OUT OUT OUT OUTs OUT OUT POWER GROUND Typical Input Circuit Typical Output Driver SUB www allegromicro com 115 Northeast Cutoff Box 15036 EP E S HETSSUSIEmE Inc Worcester Massachusetts 01615 0036 508 853 5000 g9LL celoz jeeug geq A6833 DABIC 5 32 Bit Serial Input Latched Sink Drivers ELECTRICAL CHARACTERISTICS Unless otherwise noted T4 25 C logic supply operating voltage V447 3 0 V to 5 5 V cmi _ symvot _retcontons us
4. ts 01615 0036 508 853 5000 A6833 DABIC 5 32 Bit Serial Input Latched Sink Drivers A6833SEP POWER GROUND SERIAL DATA OUT OUTPUT ENABLE L43 L42 140 NC SERIAL DATA IN LOGIC SUPPLY CLOCK REGISTER REGISTER a z 2 O o o o eo O www allegromicro com 115 Northeast Cutoff Box 15036 Worcester Massachusetts 01615 0036 508 853 5000 EP AEE Inc EB goLL seroz jeeug geq A6833 DABIC 5 32 Bit Serial Input Latched Sink Drivers Dimensions in Inches controlling dimensions 28 18 Dimensions in Millimeters for reference only HHH INDEX AREA le 0 51 16 662 gt 17 65 gt Dwg MA 005 44A mm www allegromicro com 115 Northeast Cutoff Box 15036 Worcester Massachusetts 01615 0036 508 853 5000 m B ET MicroSystems Inc p crosystems ne g941 S8L9Z jeeug ejeq A6833 g9LL celoz jeeug geq DABIC 5 32 Bit Serial Input Latched Sink Drivers The products described here are manufactured under one or more U S patents or U S patents pending Allegro MicroSystems Inc reserves the right to make from time to time such departures from the detail specifications as may be required to permit improvements in the performance reliability or manufact
5. urability of its products Before placing an order the user is cautioned to verify that the information being relied upon is current Allegro products are not authorized for use as critical compo nents in life support devices or systems without express written approval The information included herein is believed to be accurate and reliable However Allegro MicroSystems Inc assumes no respon sibility for its use nor for any infringement of patents or other rights of third parties which may result from its use Copyright 2003 2004 2005 AllegroMicrosystems Inc www allegromicro com 115 Northeast Cutoff Box 15036 Worcester Massachusetts 01615 0036 508 853 5000
Download Pdf Manuals
Related Search
ALLEGRO MICROSYSTEMS A6833 DABiC 5 32 Bit Serial Input Latched Sink Drivers handbook