Details, datasheet, quote on part number: A6809SLW
PartA6809SLW
Category
DescriptionDabic-iv, 10-bit Serial-input, Latched Source Drivers
CompanyAllegro Micro Systems, Inc.
DatasheetDownload A6809SLW datasheet
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Features, Applications

The A6809 and A6810 devices combine 10-bit CMOS shift registers, accompanying data latches and control circuitry with bipolar sourcing outputs and pnp active pull downs. Designed primarily to drive vacuum-fluorescent displays, the 60 V and -40 mA output ratings also allow these devices to be used in many other peripheral power driver applications. The A6809 and A6810 feature an increased data input rate (compared with the older UCN/UCQ5810-F) and a controlled output slew rate. The A6809xLW and A6810xLW are identical except for pinout. The CMOS shift register and latches allow direct interfacing with microprocessor-based systems. With 5 V logic supply, typical serial-data input rates are to 33 MHz. A CMOS serial data output permits cascade connections in applications requiring additional drive lines. Similar devices are avail-able as the A6811 (12 bits), A6812 (20 bits), and A6818 (32 bits). The A6809 and A6810 output source drivers are npn Darlingtons, capable of sourcing to 40 mA. The controlled output slew rate reduces electromagnetic noise, which is an important consideration in systems that include telecommunications and/or microprocessors and to meet government emissions regulations. For inter-digit blanking, all output drivers can be disabled and all sink drivers turned on with a BLANKING input high. The pnp active pull-downs will sink at least 2.5 mA. All devices are available in two temperature ranges for optimum performance in commercial (suffix S-) or industrial (suffix E-) applications. The A6810 is provided in three package styles for through-hole DIP (suffix -A), surface-mount SOIC (suffix -LW), or minimum-area surface-mount PLCC (suffix -EP). The A6809 is provided in the SOIC (suffix -LW) only. Copper lead frames, low logic-power dissipation, and low output-saturation voltages allow all devices to source 25 mA from all outputs continuously over the maximum operating temperature range.

OUT 9 OUT 10 SERIAL DATA OUT LOAD SUPPLY SERIAL DATA IN BLANKING OUT 1 OUT 2 OUT 3

Logic Supply Voltage, VDD................... 7.0 V Driver Supply Voltage, VBB................... 60 V Continuous Output Current Range, IOUT......................... +15 mA Input Voltage Range, VIN....................... V to VDD 0.3 V Package Power Dissipation, PD........................................ See Graph Operating Temperature Range, TA (Suffix `E').................. to +85C (Suffix `S').................. to +85C Storage Temperature Range, TS............................... to +125C

FEATURES

I Controlled Output Slew Rate I Low Output-Saturation Voltages I High-Speed Data Storage I Low-Power CMOS Logic 60 V Minimum and Latches Output Breakdown I Improved Replacements I High Data Input Rate for UCN5810, I PNP Active Pull-Downs and UCQ5810 Complete part number includes a suffix to identify operating temperature range (E- or S-) and package type (-A, -EP, or -LW). Always order by complete part number, e.g., A6810SLW.

Caution: These CMOS devices have input static protection (Class 2) but are still susceptible to damage if exposed to extremely high static electrical charges.

OUT 8 OUT 7 OUT 6 CLOCK GROUND NO CONNECTION LOGIC SUPPLY STROBE OUT 5 OUT 4
OUT 9 OUT 10 NO CONNECTION SERIAL DATA OUT LOAD SUPPLY SERIAL DATA IN BLANKING OUT 1 OUT 2 OUT 3
SERIAL DATA OUT LOAD SUPPLY NC SERIAL DATA IN BLANKING
OUT 8 OUT 7 OUT 6 CLOCK GROUND LOGIC SUPPLY STROBE OUT 5 OUT 4 NO CONNECTION
OUT 9 OUT 10 SERIAL DATA OUT LOAD SUPPLY SERIAL DATA IN BLANKING OUT 1 OUT 2 OUT 3 NO CONNECTION

115 Northeast Cutoff, Box 15036 Worcester, Massachusetts (508) 853-5000 Copyright 1998, 2000 Allegro MicroSystems, Inc.

CLOCK SERIAL DATA IN STROBE V DD LOGIC SUPPLY SERIAL DATA OUT
Serial Shift Register Contents Data Clock Input RN X Serial Data Strobe Output Input P3... X
L = Low Logic Level H = High Logic Level X = Irrelevant

 

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