ETL9345 Datasheet - STMicroelectronics

ETL9345, 4-BIT NMOS MICROCONTROLLERS

ETL9444/ETL9445 ETL9344/ETL9345 4-BIT NMOS MICROCONTROLLERS * * *.
.
.
LOW COST POWERFUL INSTRUCTION SET 2k x 8 ROM, 128 x 4 R

Features

* include single supply operation, a variety of output configuration options, with an instruction set, internal architecture and I/O scheme designed to facilitate keyboard input, display output and BCD data manipulation.
The ETL9445 is identical to the ETL9444, except with 19 I/O lines instead of 23 :

ETL9345_STMicroelectronics.pdf