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Micrel Semiconductor

MIC5842 Datasheet Preview

MIC5842 Datasheet

8-Bit Serial-Input Latched Drivers

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MIC5841/5842
8-Bit Serial-Input Latched Drivers
General Description
Using BiCMOS technology, the MIC5841/5842 integrated
circuits were fabricated to be used in a wide variety of
peripheral power driver applications. The devices each
have an eight-bit CMOS shift register, CMOS control
circuitry, eight CMOS data latches, and eight bipolar
current-sink Darlington output drivers.
These two devices differ only in maximum voltage ratings.
The MIC5842 offers premium performance with a
minimum output breakdown voltage rating of 80V (50V
sustaining). The drivers can be operated with a split supply
where the negative supply is down to –20V.
The 500mA outputs, with integral transient-suppression
diodes, are suitable for use with lamps, relays, solenoids
and other inductive loads.
These devices have improved speed characteristics. With
a 5V logic supply, they will typically operate faster than
5 MHz. With a 12V supply, significantly higher speeds are
obtained. The CMOS inputs are compatible with standard
CMOS, PMOS, and NMOS logic levels. TTL or DTL
circuits may require the use of appropriate pull-up
resistors. By using the serial data output, the drivers can
be cascaded for interface applications requiring additional
drive lines.
The MIC5840 family is available in DIP, PLCC, and SOIC
packages. Because of limitations on package power
dissipation, the simultaneous operation of all drivers at
maximum rated current might require a reduction in duty
cycle. A copper-alloy lead frame provides for maximum
package power dissipation.
Features
3.3 MHz Minimum Data-Input Rate
CMOS, PMOS, NMOS, TTL Compatible
Internal Pull-Up/Pull-Down Resistors
Low-Power CMOS Logic and Latches
High-Voltage Current-Sink Outputs
Output Transient-Protection Diodes
Single or Split Supply Operation
Ordering Information
Part Number
Standard
MIC5841BN
MIC5841BV
MIC5841BWM
MIC5842BN
MIC5842BV
MIC5842BWM
Pb-Free
MIC5841YN
MIC5841YV
MIC5841YWM
MIC5842YN
MIC5842YV
MIC5842YWM
Temperature Range
Package
–40ºC to +85ºC
–40ºC to +85ºC
–40ºC to +85ºC
–40ºC to +85ºC
–40ºC to +85ºC
–40ºC to +85ºC
18-Pin Plastic DIP
20-Pin PLCC
18-Pin Wide SOIC
18-Pin Plastic DIP
20-Pin PLCC
18-Pin Wide SOIC
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
May 2006
M9999-050506
(408) 955-1690




Micrel Semiconductor

MIC5842 Datasheet Preview

MIC5842 Datasheet

8-Bit Serial-Input Latched Drivers

No Preview Available !

Micrel, Inc.
Functional Diagram
MIC5841/42
CLK
1
SERIAL
DATA IN 3
VS S 4
8-BIT SERIAL-PARALLEL SHIFT REGISTER
LATCHES
SERIAL
6 DATA OUT
5 VDD
STROBE
7
MOS
Bipolar
OUTPUT ENABLE
8 (ACTIVE LOW)
Sub
19
VE E
10 18 17 16 15 14 13 12 11
K OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8
May 2006
2 M9999-050506
(408) 955-1690


Part Number MIC5842
Description 8-Bit Serial-Input Latched Drivers
Maker Micrel Semiconductor
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MIC5842 Datasheet PDF






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