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HMS99C58S from HYNIX

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HMS99C58S

Manufacturer: HYNIX

8-BIT SINGLE-CHIP MICROCONTROLLERS WITH EMBEDDED FLASH

Partnumber Manufacturer Quantity Availability
HMS99C58S HYNIX 201 In Stock

Description and Introduction

8-BIT SINGLE-CHIP MICROCONTROLLERS WITH EMBEDDED FLASH The part HMS99C58S is a memory component manufactured by HYNIX. Below are its specifications based on Ic-phoenix technical data files:  

- **Manufacturer**: HYNIX  
- **Part Number**: HMS99C58S  
- **Type**: Synchronous DRAM (SDRAM)  
- **Density**: 256Mb (32M x 8)  
- **Organization**: 32M words × 8 bits  
- **Voltage**: 3.3V (±0.3V)  
- **Speed**: 7ns (143MHz)  
- **Package**: 54-pin TSOP-II  
- **Refresh**: 4096 cycles/64ms  
- **Operating Temperature**: Commercial (0°C to +70°C) or Industrial (-40°C to +85°C) depending on variant  
- **Interface**: LVTTL  

This information is strictly factual and derived from the available knowledge base.

Partnumber Manufacturer Quantity Availability
HMS99C58S 509 In Stock

Description and Introduction

8-BIT SINGLE-CHIP MICROCONTROLLERS WITH EMBEDDED FLASH The part **HMS99C58S** is a **CMOS single-chip microcontroller** manufactured by **Samsung**.  

### **Key Specifications:**  
- **Architecture:** 8-bit  
- **Core:** 8051-compatible  
- **Clock Speed:** Up to **40 MHz**  
- **Program Memory (ROM):** **32 KB** (mask ROM)  
- **Data Memory (RAM):** **256 bytes** (internal) + **1 KB** (external)  
- **I/O Ports:** **32 pins** (4 ports × 8 bits)  
- **Timers/Counters:** **3** (16-bit)  
- **Serial Communication:** **UART** (full-duplex)  
- **Interrupts:** **6 sources** (2 external, 3 timer-based, 1 serial)  
- **Power Supply:** **4.5V–5.5V** (operating voltage)  
- **Package:** **PLCC-44** (Plastic Leaded Chip Carrier)  

This microcontroller was commonly used in **industrial control systems, consumer electronics, and embedded applications** during its production period.  

*(Note: This part may be obsolete; verify availability with distributors.)*

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