A6811EA

更新时间： 2024-11-17 22:26:47

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动器输入元件
页数	文件大小	规格书
8页	157K
描述
DABiC-IV, 12-BIT SERIAL-INPUT, LATCHED SOURCE DRIVER

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A6811EA 数据手册

6811

PRELIMINARY INFORMATION

(subject to change without notice)

May 15, 2000

DABiC-IV, 12-BIT SERIAL-INPUT,

LATCHED SOURCE DRIVER

The A6811– devices combine a 12-bit CMOS shift register,

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 A6811– features an increased data input rate (com-

pared with the older UCN/UCQ5811A) and a controlled output slew

rate.

A6811xA

20 OUT

19 OUT

18 OUT

OUT

BLNK

BLANKING

SERIAL

DATA OUT

OUT

The CMOS shift register and latches allow direct interfacing with

microprocessor-based systems. With a 3.3 V or 5 V logic supply,

typical serial-data input rates are up to 33 MHz.

LOAD

SUPPLY

SERIAL

DATA IN

LOGIC

SUPPLY

GROUND

A CMOS serial data output permits cascade connections in applica-

tions requiring additional drive lines. Similar devices are available as

the A6809– and A6810– (10 bits), A6812– (20 bits), and A6818– (32

bits).

OUT

CLOCK

CLK

13 OUT

STROBE

OUT

The A6811– output source drivers are npn Darlingtons, capable of

sourcing up to 40 mA. The controlled output slew rate reduces electro-

magnetic 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 BLANK-

ING input high. The pnp active pull-downs will sink at least 2.5 mA.

OUT

11 OUT

Dwg. PP-029-5

Two temperature ranges are available for optimum performance in

commercial (suffix S-) or industrial (suffix E-) applications. Package

styles are provided for through-hole DIP (suffix -A) and surface-mount

SOIC or PLCC (suffix -LW or -EP). Copper lead frames, low logic-

power dissipation, and low output-saturation voltages allow all devices

to source 25 mA from all outputs continuously at up to 83°C.

ABSOLUTE MAXIMUM RATINGS

at T_A= 25°C

Logic Supply Voltage, V_DD................... 7.0 V

Driver Supply Voltage, V_BB................... 60 V

Continuous Output Current Range,

_OUT......................... -40 mA to +15 mA

Input Voltage Range,

FEATURES

V_IN....................... -0.3 V to V_DD+ 0.3 V

I Controlled Output Slew Rate

Package Power Dissipation,

I High-Speed Data Storage

I 60 V Minimum

Output Breakdown

I High Data Input Rate

I PNP Active Pull-Downs

P_D........................................ See Graph

Operating Temperature Range, T_A

(Suffix ‘E–’) .................. -40°C to +85°C

(Suffix ‘S–’) .................. -20°C to +85°C

Storage Temperature Range,

T_S............................... -55°C to +125°C

I Low-Power CMOS Logic

and Latches

I Improved Replacements

for SN75512B, UCN5811–,

and UCQ5811–

I Low Output-Saturation Voltages

Caution: These CMOS devices have input

static protection (Class 2) but are still

susceptible to damage if exposed to

extremely high static electrical charges.

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., A6811SLW .

12 3 4 5 6 7 8

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与A6811EA相关器件

型号	品牌	获取价格	描述	数据表
A6811EEP	ALLEGRO	获取价格	DABiC-IV, 12-BIT SERIAL-INPUT, LATCHED SOURCE DRIVER
A6811ELW	ALLEGRO	获取价格	DABiC-IV, 12-BIT SERIAL-INPUT, LATCHED SOURCE DRIVER
A6811ELWTR	ALLEGRO	获取价格	Vacuum Fluorescent Driver, 12-Segment, BIPolar, PDSO20, SOIC-20
A6811KA	ALLEGRO	获取价格	Vacuum Fluorescent Driver, 12-Segment, BIPolar, PDIP40, DIP-40
A6811KEP	ALLEGRO	获取价格	Vacuum Fluorescent Driver, 12-Segment, BICMOS, PQCC20, PLASTIC, LCC-20
A6811KLW	ALLEGRO	获取价格	Vacuum Fluorescent Driver, 12-Segment, BIPolar, PDSO20, SOIC-20
A6811SA	ALLEGRO	获取价格	DABiC-IV, 12-BIT SERIAL-INPUT, LATCHED SOURCE DRIVER
A6811SEP	ALLEGRO	获取价格	DABiC-IV, 12-BIT SERIAL-INPUT, LATCHED SOURCE DRIVER
A6811SEPTR	ALLEGRO	获取价格	Vacuum Fluorescent Driver, 12-Segment, PQCC20, LCC-20
A6811SLW	ALLEGRO	获取价格	DABiC-IV, 12-BIT SERIAL-INPUT, LATCHED SOURCE DRIVER

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