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PDF MIC5841BV Data sheet ( Hoja de datos )
| Número de pieza | MIC5841BV | |
| Descripción | 8-Bit Serial-Input Latched Drivers | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MIC5841BV (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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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
1 page  
MIC5841/5842
Typical Output Driver
K
OUT N
Micrel
Typical Input Circuits
7.2K 3K
VEE
SUB
V DD
V DD
STROBE
OUTPUT
ENABLE
CLOCK
SERIAL
DATA IN
V SS
V SS
Maximum Allowable Duty Cycle (Plastic DIP)
VDD = 5.0V
Number of Outputs ON
(IOUT = 200mA
VDD = 5.0V)
8
7
6
5
4
3
2
1
Max. Allowable Duty Cycle at Ambient Temperature of
25°C
40°C
50°C
60°C
70°C
85%
72%
64%
55%
46%
97%
82%
73%
63%
53%
100%
96%
85%
73%
62%
100%
100%
100%
88%
75%
100%
100%
100%
100%
93%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
VDD = 12V
Number of Outputs ON
(IOUT = 200mA
VDD = 12V)
8
7
6
5
4
3
2
1
Max. Allowable Duty Cycle at Ambient Temperature of
25°C
40°C
50°C
60°C
70°C
80%
68%
60%
52%
44%
91%
100%
100%
100%
100%
100%
100%
77%
90%
100%
100%
100%
100%
100%
68%
79%
95%
100%
100%
100%
100%
59%
69%
82%
100%
100%
100%
100%
50%
58%
69%
86%
100%
100%
100%
7-46
October 1998
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet MIC5841BV.PDF ] | |
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