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PDF MIC5891 Data sheet ( Hoja de datos )
| Número de pieza | MIC5891 | |
| Descripción | 8-Bit Serial-Input Latched Source Driver | |
| Fabricantes | Microchip | |
| Logotipo |  |
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MIC5891
8-Bit Serial-Input Latched Source Driver
Features
• High-Voltage, High-Current Outputs
• Output Transient Protection Diodes
• CMOS-, PMOS-, NMOS-, and TTL-Compatible
Inputs
• 5 MHz Typical Data Input Rate
• Low-Power CMOS Latches
Applications
• Alphanumeric and Bar Graph Displays
• LED and Incandescent Displays
• Relay and Solenoid Drivers
• Other High-Power Loads
Package Type
MIC5891
16-PIN PDIP OR SOICW
GROUND 1
CLOCK 2
SERIAL
DATA IN
3
STROBE 4
OUT1 5
OUT2 6
OUT3 7
OUT4 8
16 SERIAL
DATA OUT
SHIFT VDD 15 LOGIC SUPPLY
REGISTER
OE
14
OUTPUT
ENABLE
LATCHES VBB 13 LOAD SUPPLY
12 OUT8
11 OUT7
10 OUT6
9 OUT5
General Description
The MIC5891 latched driver is a high-voltage,
high-current integrated circuit comprised of eight
CMOS data latches, CMOS control circuitry for the
common STROBE and OUTPUT ENABLE, and bipolar
Darlington transistor drivers for each latch.
Bipolar/MOS construction provides extremely low
power latches with maximum interface flexibility.
The MIC5891 will typically operate at 5 MHz with a 5V
logic supply.
The CMOS inputs are compatible with standard
CMOS, PMOS, and NMOS logic levels. TTL circuits
may be used with appropriate pull-up resistors to
ensure a proper logic-high input.
A CMOS serial data output allows additional drivers to
be cascaded when more than 8 bits are required.
The MIC5891 has open-emitter outputs with
suppression diodes for protection against inductive
load transients. The output transistors are capable of
sourcing 500 mA and will sustain at least 35V in the
on-state.
Simultaneous operation of all drivers at maximum rated
current requires a reduction in duty cycle due to
package power limitations. Outputs may be paralleled
for higher load current capability.
The MIC5891 is available in a 16-pin plastic DIP
package (N) and 16-pin wide SOIC package (WM).
2016 Microchip Technology Inc.
DS20005638A-page 1
1 page  
MIC5891
TEMPERATURE SPECIFICATIONS
Parameters
Sym. Min. Typ.
Max. Units
Conditions
Temperature Ranges
Operating Temperature Range
TA –40 —
+85 °C Note 1
Storage Temperature Range
TS –65 —
+150
°C —
Note 1: The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable
junction temperature and the thermal resistance from junction to air (i.e., TA, TJ, JA). Exceeding the
maximum allowable power dissipation will cause the device operating junction temperature to exceed the
maximum +125°C rating. Sustained junction temperatures above +125°C can impact the device reliability.
Typical Circuits
VDD
VBB
IN
FIGURE 1-1:
Typical Input Circuit
VOUT
FIGURE 1-2:
Typical Output Circuit.
2016 Microchip Technology Inc.
DS20005638A-page 5
5 Page 
16-Lead SOICW Package Outline and Recommended Land Pattern
MIC5891
Note: For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging.
2016 Microchip Technology Inc.
DS20005638A-page 11
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet MIC5891.PDF ] | |
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