ucn5895 Allegro MicroSystems, Inc., ucn5895 Datasheet

ucn5895

Manufacturer Part Number

ucn5895

Description

Bimos Ii 8-bit Serial Input, Latched Source Drivers

Manufacturer

Allegro MicroSystems, Inc.

Datasheet

1.UCN5895.pdf (8 pages)

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GROUND

STROBE

Note the UCN5895A (DIP) and the A5895SLW

(SOIC) are electrically identical and share a common

terminal number assignment.

DATA IN

SERIAL

CLOCK

Output Voltage, V

Logic Supply Voltage Range,

Driver Supply Voltage Range,

Input Voltage Range,

Continuous Output Current,

Allowable Package Power Dissipation,

Operating Temperature Range,

Storage Temperature Range,

Caution: CMOS devices have input-static

protection, but are susceptible to damage when

exposed to extremely high static electrical

charges.

OUT

. . . . . . . . . . . . . . . . . . . . See Graph

. . . . . . . . . . . . . . . . . -20 C to +85 C

. . . . . . . . . . . . . . . . -55 C to +150 C

. . . . . . . . . . . . . . . . . . 4.5 V to 12 V

. . . . . . . . . . . . . . . . . . 5.0 V to 50 V

. . . . . . . . . . . -0.3 V to V

. . . . . . . . . . . . . . . . . . . . . -250 mA

CLK

LATCHES

OUT

SHIFT

. . . . . . . . . . . . . . 50 V

Dwg. PP-026-2A

+ 0.3 V

SERIAL

DATA OUT

LOGIC

SUPPLY

OUTPUT

LOAD

SUPPLY

OUT

ENABLE

5895

input, latched source drivers are designed for applications emphasizing

low output saturation voltages and currents to -250 mA per output.

These smart high-side octal, driver ICs merge an 8-bit CMOS shift

and output enable) with medium current emitter-follower (sourcing)

outputs. Typical applications include incandescent or LED displays

(both directly driven and multiplexed), non-impact (i.e., thermal)

printers, relays, and solenoids.

channel. The maximum supply voltage is 50 V and a minimum output

sustaining voltage rating of 35 V for inductive load applications. Under

normal operating conditions, the UCN5895A and UCN5895EP are

capable of providing -120 mA (8 outputs continuous and simultaneous)

at +65 C with a logic supply of 5 V. Similar devices, with higher output

current ratings, are the UCN5890A and UCN5891A.

With a 5 V supply, they will typically operate at better than 5 MHz.

At 12 V, significantly higher speeds are obtained.

with standard CMOS, PMOS, and NMOS circuits. TTL or DTL circuits

may require the use of appropriate pull-up resistors to ensure a proper

input-logic high. A CMOS serial data output allows cascading these

devices in multiple drive-line applications required by many dot matrix,

alphanumeric, and bar graph displays.

perature range of -20 C to +85 C. Because of limitations on package

power dissipation, the simultaneous operation of all output drivers may

require a reduction in duty cycle. The UCN5895A is supplied in a

standard 16-pin dual in-line plastic package with a copper lead frame

for increased allowable package power dissipation. The UCN5895EP

is supplied in a 20-lead plastic leaded chip carrier for minimum area,

surface-mount applications. The A5895SLW is supplied in a 16-lead

wide-body plastic SOIC.

Always order by complete part number, e.g., UCN5895A .

Low Output-Saturation Voltage

Source Outputs to 50 V

Output Current to -250 mA

To 3.3 MHz Data-lnput Rate

Low-Power CMOS Logic & Latches

The UCN5895A, UCN5895EP, and A5895SLW BiMOS II serial-

Each device is suitable for high-side applications to -250 mA per

BiMOS II devices can operate at greatly improved data-input rates.

The CMOS inputs provide for minimum loading and are compatible

These devices are rated for continuous operation over the tem-

BiMOS II 8-BIT SERIAL INPUT,

LATCHED SOURCE DRIVERS

Related parts for ucn5895

ucn5895 Summary of contents

Page 1

... These devices are rated for continuous operation over the tem- perature range of - +85 C. Because of limitations on package power dissipation, the simultaneous operation of all output drivers may require a reduction in duty cycle. The UCN5895A is supplied in a standard 16-pin dual in-line plastic package with a copper lead frame + 0.3 V for increased allowable package power dissipation ...

Page 2

... GROUND MOS BIPOLAR 150 OUT 1 OUT 2 OUT 3 OUT 4 OUT 5 OUT 6 OUT 7 OUT 8 Dwg. GP-024-4 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Copyright © 1985, 2004 Allegro MicroSystems, Inc. SERIAL DATA OUT V DD LATCHES OUTPUT ENABLE V BB Dwg. No. A-12,654 ...

Page 3

Characteristic Symbol Output Leakage Current I OUT Output Saturation Voltage V CE(SAT) Output Sustaining Voltage V CE(sus) Input Voltage V IN(1) V IN(0) Input Current I IN(1) Input lmpedance z Max. Clock Frequency f CLK Serial Data-Output r OUT Resistance ...

Page 4

SERIAL-INPUT, LATCHED DRIVERS CLOCK DATA STROBE BLANKING OUT 5.0 V, Logic Levels are Minimum Data Active Time Before Clock Pulse (Data Set-Up Time) ................................................................. 75 ns ...

Page 5

... N ... N ... N ... ... N Low Logic Level H = High Logic Level + 12 V UCN5895A CLOCK DD SHIFT REGISTER DATA IN LATCHES STROBE UCN5821A C CLOCK 1 16 DATA ...

Page 6

SERIAL-INPUT, LATCHED DRIVERS 16 0.280 0.240 1 0.070 0.045 0.210 MAX 0.015 MIN 0.022 0.014 16 7.11 6.10 1 1.77 1.15 5.33 MAX 0.39 MIN 0.558 0.356 NOTES: 1. Lead thickness is measured at seating plane or below. ...

Page 7

BSC 0.169 0.141 0.533 0.331 4.29 3.58 1.27 BSC 4.29 3.58 NOTES: 1. Lead spacing tolerance is non-cumulative. 2. Exact body and lead configuration at vendor’s option within limits shown. Dimensions in Inches (controlling dimensions) ...

Page 8

... BSC 10.10 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 design of its products. MIN. The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...

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