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SAB8259A-P Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
SAB8259A-PSIEMENS166Yes

### **SAB8259A-P Manufacturer: SIEMENS** #### **Specifications:** - **Manufacturer:** SIEMENS - **Part Number:** SAB8259A-P - **Type:** Programmable Interrupt Controller (PIC) - **Architecture:** 8-bit/16-bit compatible - **Interrupt Channels

SAB8259A-P Manufacturer: SIEMENS

#### Specifications:

  • Manufacturer: SIEMENS
  • Part Number: SAB8259A-P
  • Type: Programmable Interrupt Controller (PIC)
  • Architecture: 8-bit/16-bit compatible
  • Interrupt Channels: 8
  • Cascading Support: Yes (up to 64 interrupts via cascading)
  • Operating Voltage: 5V
  • Package Type: Plastic DIP (Dual In-line Package)
  • Pin Count: 28
  • Operating Temperature Range: Commercial (0°C to +70°C) or Industrial (-40°C to +85°C) depending on variant

#### Descriptions:

The SAB8259A-P is a programmable interrupt controller (PIC) designed by SIEMENS for managing interrupt requests in microprocessor-based systems. It is compatible with both 8-bit and 16-bit microprocessors, providing flexible interrupt handling with priority management. The device supports cascading, allowing multiple PICs to be linked for expanded interrupt capabilities.

#### Features:

  • 8 Independent Interrupt Inputs (IR0-IR7)
  • Programmable Priority Modes (Fixed or Rotating)
  • Maskable Interrupts (individual IRQ masking)
  • Edge-Triggered or Level-Triggered Interrupt Modes
  • Fully Nested Interrupt Structure
  • Automatic End-of-Interrupt (EOI) Mode
  • Cascading Support for up to 64 Interrupts
  • 5V Single Power Supply
  • 28-Pin DIP Package

This IC was commonly used in early computing systems, industrial controllers, and embedded applications requiring efficient interrupt management.

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