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TC28C43EPA from TOS,TOSHIBA

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TC28C43EPA

Manufacturer: TOS

BiCMOS CURRENT MODE PWM CONTROLLERS

Partnumber Manufacturer Quantity Availability
TC28C43EPA TOS 44 In Stock

Description and Introduction

BiCMOS CURRENT MODE PWM CONTROLLERS The TC28C43EPA is a PROM (Programmable Read-Only Memory) device manufactured by Texas Instruments. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:** Texas Instruments  
### **Part Number:** TC28C43EPA  
### **Type:** PROM (Programmable Read-Only Memory)  
### **Package:** 24-Pin PDIP (Plastic Dual In-line Package)  

### **Key Features:**  
- **Memory Size:** 4K x 8 (32K bits)  
- **Access Time:** 45 ns (typical)  
- **Operating Voltage:** 5V ±10%  
- **Low Power Consumption:**  
  - Active Current: 30 mA (typical)  
  - Standby Current: 100 µA (typical)  
- **One-Time Programmable (OTP):** Non-erasable after programming  
- **TTL-Compatible Inputs/Outputs**  
- **Tri-State Outputs:** Allows bus sharing  
- **High Reliability:** Industrial temperature range (-40°C to +85°C)  
- **Programmable Security Fuse:** Prevents unauthorized reading of data  

### **Applications:**  
- Microcontroller-based systems  
- Firmware storage  
- Industrial control systems  
- Embedded systems  

### **Pin Configuration (24-Pin PDIP):**  
- **A0-A11:** Address Inputs  
- **D0-D7:** Data Inputs/Outputs  
- **CE:** Chip Enable (Active Low)  
- **OE:** Output Enable (Active Low)  
- **VCC:** Power Supply (5V)  
- **GND:** Ground  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

BiCMOS CURRENT MODE PWM CONTROLLERS

Alternative Part Number

  • M28C64C-15P --: Parallel EEPROM in the same 28-pin DIP family with compatible pinout and 5V operation, widely available as a direct functional substitute.
  • AT28C64B-15PU --: Industry-standard 8Kx8 parallel EEPROM with similar access time and pin-compatible DIP-28 package, commonly used to replace Toshiba 28C series parts.
  • X28C64P-15 --: Legacy 28C64 parallel EEPROM with matching pinout and timing, suitable as a drop-in replacement for the Toshiba TC28C43 series.
  • M28C64-15P --: Pin-compatible 8Kx8 parallel EEPROM in a 28-pin DIP with similar access timing, suitable as a functional replacement for the 28C64-type device.

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