MIC5891YWM Electronic IC Chips 8-Bit Serial-Input Latched Source Driver
electronic integrated circuit
,linear integrated circuits
MIC5891
8-Bit Serial-Input Latched Source Driver
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 DarliCM GROUPon transistor drivers for each latch.
Bipolar/MOS construction provides extremely low power latches with maximum interface flexibility.
The MIC5891 will typically operate at 5MHz 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 logichigh 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 500mA 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).
Features
• High-voltage, high-current outputs
• Output transient protection diodes
• CMOS-, PMOS-, NMOS-, and TTL-compatible inputs
• 5MHz 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
Functional Diagram
Absolute Maximum Ratings (Notes 1, 2, 3)
Output Voltage (VOUT) .................................................50V
Logic Supply Voltage Range (VDD) ................ 4.5V to 15V
Load Supply Voltage Range (VBB) ................. 5.0V to 50V
Input Voltage Range (VIN) ...................................–0.3V to VDD+0.3V
Continuous Collector Current (IC) ..........................500mA
Package Power Dissipation .............................. see graph
Operating Temperature Range (TA) ....... –55°C to +125°C
Storage Temperature Range (TS) .......... –65°C to +150°C
Note 1: TA = 25°C
Note 2: Derate at the rate of 20mW/°C above TA = 25°C.
Note 3: Micrel CMOS devices have input-static protection but are susceptible to damage when exposed to extremely high static electrical charges.
Pin Configuration
Typical Circuits
Stock Offer (Hot Sell)
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