MIC5841/5842
Micrel
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 鈥?0V.
The 500 mA 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 dissipa-
tion, 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
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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
MIC5841BN
MIC5841BV
MIC5841BWM
MIC5842BN
MIC5842BV
MIC5842BWM
Temperature Range
鈥?0擄C to +85擄C
鈥?0擄C to +85擄C
鈥?0擄C to +85擄C
鈥?0擄C to +85擄C
鈥?0擄C to +85擄C
鈥?0擄C to +85擄C
Package
18-Pin Plastic DIP
20-Pin PLCC
18-Pin Wide SOIC
18-Pin Plastic DIP
20-Pin PLCC
18-Pin Wide SOIC
Functional Diagram
CLK
1
Pin Configuration
SERIAL
DATA IN
6
8-BIT SERIAL-PARALLEL SHIFT REGISTER
3
5
SERIAL
DATA OUT
V
DD
VEE
CLOCK
1
SUB
18
C
17
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
K
2
4
LATCHES
7
STROBE
VSS
VDD
4 VSS
5 VDD
LATCHES
V
SS
SHIFT REGISTER
SERIAL DATA IN 3
16
15
14
13
12
11
10
8
MOS
Bipolar
OUTPUT ENABLE
(ACTIVE LOW)
SERIAL DATA OUT 6
STROBE
7 ST
8 OE
9
SUB
Sub
1
9
OUTPUT ENABLE
VEE
V
EE
10
18
17
16
15
14
13
12
11
K
OUT
1
OUT
2
OUT
3
OUT
4
OUT
5
OUT
6
OUT
7
OUT
8
(DIP, SOIC)
7-42
October 1998
MIC5841BV PDF文件相關(guān)型號
MIC5841YN,MIC5842BV
MIC5841BV相關(guān)型號PDF文件下載
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