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ISPLSI1048E-70LQ from Lattice

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ISPLSI1048E-70LQ

Manufacturer: Lattice, LAT

In-System Programmable High Density PLD

Partnumber Manufacturer Quantity Availability
ISPLSI1048E-70LQ,ISPLSI1048E70LQ Lattice, LAT 164 In Stock

Description and Introduction

In-System Programmable High Density PLD The **ISPLSI1048E-70LQ** is a high-density programmable logic device (PLD) from Lattice Semiconductor. Here are its key specifications, descriptions, and features:

### **Manufacturer Specifications:**
- **Manufacturer:** Lattice Semiconductor  
- **Family:** ispLSI 1000E  
- **Device Type:** CPLD (Complex Programmable Logic Device)  
- **Logic Cells:** 192  
- **Macrocells:** 48  
- **Gates:** 1,000  
- **Speed Grade:** -70 (70 ns pin-to-pin delay)  
- **Package:** 44-pin PLCC (Plastic Leaded Chip Carrier)  
- **Operating Voltage:** 5V  
- **I/O Pins:** 36  
- **Maximum Frequency:** 125 MHz  
- **Programmable:** In-system programmable (ISP) via IEEE 1149.1 (JTAG)  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  

### **Descriptions:**
- The **ISPLSI1048E-70LQ** is a high-performance CPLD designed for complex logic integration.  
- It features a non-volatile E²CMOS technology, allowing reprogrammability.  
- Suitable for applications requiring medium-density logic with fast pin-to-pin delays.  

### **Features:**
- **High-Density PLD:** 48 macrocells with 1,000 usable gates.  
- **In-System Programmability (ISP):** Supports JTAG boundary scan for easy reprogramming.  
- **5V Operation:** Compatible with standard TTL levels.  
- **Flexible I/O:** 36 I/O pins with programmable slew rate control.  
- **Fast Performance:** 70 ns maximum propagation delay.  
- **Security:** Programmable security bit to prevent unauthorized access.  
- **Wide Operating Temperature:** Commercial-grade (0°C to +70°C).  

This device is commonly used in digital systems, telecommunications, and industrial control applications.  

(Note: All details are based on the manufacturer's datasheet.)

Application Scenarios & Design Considerations

In-System Programmable High Density PLD

Alternative Part Number

  • M4A5-128/64-10YNC --: MACH4 CPLD in the same 128-macrocell class with comparable 10 ns speed, a direct functional replacement for the 1048E in most legacy designs.
  • EPM7128SLC84-10 --: Classic MAX7000S CPLD with 128 macrocells and 10 ns pin-to-pin delay, widely available and commonly used to replace ispLSI1048E devices in existing boards.
  • XC95144XL-10TQG144 --: 144-macrocell CoolRunner CPLD with 10 ns speed grade, offering similar logic capacity and 3.3V operation as an alternative when the Lattice part is unavailable.
  • XC95144XL-10TQG100C --: 5V-tolerant XC9500XL CPLD with comparable macrocells and pin count, commonly used as a drop-in alternative for obsolete ispLSI 1048E designs.
  • LC4256V-75TN144C --: Lattice isCPLD successor family; 256 macrocells with 3.3V core, comparable 70-75ns speed grade and 144-pin TQFP package, direct functional replacement path for legacy ispLSI 1048E designs.
  • EPM7128AETC144-10 --: MAX 7000AE CPLD with 128 macrocells and 144-pin TQFP, widely available 5V/3.3V-compatible logic replacement for obsolete ispLSI 1048E in many glue-logic applications.
  • XC95144XL-10TQ144C --: Xilinx XC9500XL CPLD with 144 macrocells in 144-pin TQFP, 3.3V in-system programmable and commonly used as a drop-in logic substitute when the original ispLSI part is unavailable.

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