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Serial / Parallel 5-input Drivers

BA829 utilizes a 5-wire control method : clock data, strobe, latch, and power switch. Output control is provided by the strobe signal, while the power switch terminal enables standby mode, contributing to lower power consumption. 

RoHM'SSerial-in / Parallel-out Drivers

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Specifications Part No. Package Features
Large-current 8-output Driver with Cascade Function
BA829

DIP18


Block Diagram
Expanded
  

Features

Key ON detection possible with key matrix scan

An open collector output system is used that prevents key scan output collisions, even when multiple keys are pressed. Allows easy configuration of a key matrix scan circuit.

  
Expanded
Standby operation via PSW (Power Switch) terminal contributes to lower energy consumption
Increased energy efficiency due to shutdown of drive current via strobe terminal
Bit expansion possible using cascade connection
High voltage resistance output ports eliminate the need for power transistors for level conversion

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Serial-in / Parallel-out Drivers

Family Number
of
input		 Number
of
output		 Power
Supply
(V)		 Output
Current
(Am)		 Output
tolerance
(V)		 Output
type		 Package RoHS Distribution
Inventory
Reset
BA829 5 8 4.5 to 5.5 300 13.5 Open collector DIP18 Yes