MSM80C154S/83C154S is a higher performance 8-bit microcontroller providing low-power consumption. MSM80C154S/83C154S covers the functions and operating range of the existing MSM80C154/83C154/80C51F/80C31F. MSM80C154S is identical to the MSM83C154S except it does not contain the internal program memory (ROM).
This document is a technical datasheet for the OKI Semiconductor MSM80C154S/MSM83C154S family of CMOS 8-bit microcontrollers. Designed as a higher-performance version with low power consumption, these devices are upward compatible with the existing MSM80C51F and 80C31F series.
| Operating Frequency (2.2 to 6.0 V) | 0 to 12 MHz |
|---|---|
| Operating Frequency (4.5 to 6.0 V) | 0 to 24 MHz |
| Operating Voltage Range | 2.2 to 6.0 V |
| Operating Temperature (Standard) | -40 to +85°C |
| On-chip Program Memory (MSM83C154S only) | 16K words x 8 bits ROM |
| On-chip Data Memory | 256 words x 8 bits RAM |
| External Program Memory Address Space | 64K bytes ROM (Max) |
| I/O Ports | 4 ports x 8 bits |
The device operates at frequencies from 0 to 3 MHz, 0 to 12 MHz, or 0 to 24 MHz depending on the supply voltage.
The minimum instruction cycle is 500 ns when operating at 24 MHz.
The TQFP44 package has a maximum dimension of 1.02 mm for the index mark and weighs 0.28 g.