MIC5842BWM 반도체 회로 부품 판매점
8-Bit Serial-Input Latched Drivers
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 Micrel Semiconductor |
MIC5841/5842
MIC5841/5842
Micrel
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 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
• 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 Temperature Range
MIC5841BN
–40°C to +85°C
MIC5841BV
–40°C to +85°C
MIC5841BWM –40°C to +85°C
MIC5842BN
–40°C to +85°C
MIC5842BV
–40°C to +85°C
MIC5842BWM –40°C to +85°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
Pin Configuration
CLK
1
SERIAL
DATA IN 3
VSS 4
8-BIT SERIAL-PARALLEL SHIFT REGISTER
LATCHES
SERIAL
6 DATA OUT
VDD
5
STROBE
7
MOS
Bipolar
OUTPUT ENABLE
8 (ACTIVE LOW)
Sub
19
VEE
10 18 17 16 15 14 13 12 11
K OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8
VEE
CLOCK
1
SUB
2C
SERIAL DATA IN 3
VSS
VDD
4 VSS
5 VDD
SERIAL DATA OUT 6
STROBE 7 ST
OUTPUT ENABLE 8 OE
VEE 9
SUB
18 OUT1
17 OUT2
16 OUT3
15 OUT4
14 OUT5
13 OUT6
12 OUT7
11 OUT8
10 K
(DIP, SOIC)
7-42
October 1998
MIC5841/5842
Micrel
Pin Configuration
(20-Pin PLCC)Top View.
NC 4
VSS 5
VDD 6
SERIAL DATA OUT 7
NC 8
32
1 20 19
18 OUT 3
MIC5842BV
17 OUT 4
16 OUT 5
15 OUT 6
14 OUT 7
9 10 11 12 13
Absolute Maximum Ratings (Note 1, 2, 3)
at 25°C Free-Air Temperature and VSS = 0V
Output Voltage, VCE (MIC5841)
(MIC5842)
50V
80V
Output Voltage, VCE(SUS) (MIC5841) (Note 1)
35V
(MIC5842)
50V
Logic Supply Voltage, VDD
15V
VDD with Reference to VEE
25V
Emitter Supply Voltage, VEE
Input Voltage Range, VIN
–20V
–0.3V to VDD + 0.3V
Continuous Output Current, IOUT
500mA
Package Power Dissipation, PD (Note 2)
Operating Temperature Range, TA
Storage Temperature Range, TS
1.82W
–55°C to +85°C
–65°C to +150°C
Note 1: For Inductive load applications.
Note 2: Derate at the rate of 18.2mW/°C above TA = 25°C (Plastic DIP)
Note 3: CMOS devices have input-static protection but are susceptible to
damage when exposed to extremely high static electrical
charges.
Electrical Characteristics at TA = 25°C VDD = 5V, VSS = VEE = 0V (unless otherwise noted)
Characteristic
Output Leakage Current
Symbol
ICEX
Collector-Emitter
Saturation Voltage
Collector-Emitter
Sustaining Voltage
Input Voltage
Input Resistance
Supply Current
Clamp Diode
Leakage Current
Clamp Diode
Forward Voltage
VCE(SAT)
VCE(SUS)
(Note 5)
VIN(0)
VIN(1)
RIN
IDD(ON)
IDD(OFF)
IR
VF
Applicable
Devices
MIC5841
MIC5842
Both
MIC5841
MIC5842
Both
Both
Both
Both
Both
MIC5841
MIC5842
Both
Test Conditions
VOUT = 50V
VOUT = 50V, TA = +70°C
VOUT = 80V
VOUT = 80V, TA = +70°C
IOUT = 100mA
IOUT = 200mA
IOUT = 350mA, VDD = 7.0V
IOUT = 350mA, L = 2mH
IOUT = 350mA, L = 2mH
VDD = 12V
VDD = 10V
VDD = 5.0V (See Note 4)
VDD = 12V
VDD = 10V
VDD = 5.0V
All Drivers ON, VDD = 12V
All Drivers ON, VDD = 10V
All Drivers ON, VDD = 5.0V
All Drivers OFF, VDD = 12V
All Drivers OFF, VDD = 10V
All Drivers OFF, VDD = 5.0V
VR = 50V
VR = 80V
IF = 350mA
Min.
35
50
10.5
8.5
3.5
50
50
50
Limits
Max.
50
100
50
100
1.1
1.3
1.6
0.8
16
14
8.0
2.9
2.5
1.6
50
50
2.0
Unit
µA
V
V
V
kΩ
mA
µA
V
Note 4: Operation of these devices with standard TTL may require the use of appropriate pull-up resistors to insure an
input logic HIGH.
Note 5: Not 100% tested. Guaranteed by design.
October 1998
7-43
7
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