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ISPLSI1048E-70LQ from Lattice

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ISPLSI1048E-70LQ

Manufacturer: Lattice

In-System Programmable High Density PLD

Partnumber Manufacturer Quantity Availability
ISPLSI1048E-70LQ,ISPLSI1048E70LQ Lattice 35 In Stock

Description and Introduction

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

### **Manufacturer:**  
- **Lattice Semiconductor**  

### **Specifications:**  
- **Device Type:** In-System Programmable Large-Scale Integration (ISPLSI)  
- **Family:** ispLSI 1000E Series  
- **Logic Cells:** 48 (equivalent to 1,000 PLD gates)  
- **Speed Grade:** **-70** (70 ns pin-to-pin delay)  
- **Package:** **LQFP (Low-Profile Quad Flat Package)**  
- **Pin Count:** **44 pins**  
- **Operating Voltage:** **5V**  
- **Maximum Frequency:** **125 MHz**  
- **I/O Pins:** **36**  
- **Programmable Registers:** **96**  
- **On-Chip EEPROM:** Yes (for configuration storage)  

### **Descriptions:**  
- High-performance, electrically erasable PLD  
- Supports in-system programming (ISP) via IEEE 1149.1 (JTAG) interface  
- Non-volatile EEPROM technology for configuration storage  
- Flexible architecture with programmable AND/OR logic and registers  

### **Features:**  
- **In-System Programmability (ISP):** Reprogrammable without removing from the board  
- **High-Speed Performance:** 70 ns maximum propagation delay  
- **5V Tolerant I/O:** Supports mixed-voltage systems  
- **Global Routing Pool (GRP):** Ensures flexible signal routing  
- **JTAG Boundary Scan:** Supports testing and debugging  
- **Security Fuse:** Prevents unauthorized reading of configuration  

This device is commonly used in applications such as **glue logic, state machines, and high-speed control systems**.  

Would you like additional details on any specific aspect?

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.
Partnumber Manufacturer Quantity Availability
ISPLSI1048E-70LQ,ISPLSI1048E70LQ LAT 99 In Stock

Description and Introduction

In-System Programmable High Density PLD The ISPLSI1048E-70LQ is a High-Density Programmable Logic Device (PLD) manufactured by Lattice Semiconductor (LAT).  

### **Key Specifications:**  
- **Device Type:** In-System Programmable Large Scale Integration (ISPLSI)  
- **Family:** 1000E  
- **Logic Cells:** 48  
- **Macrocells:** 192  
- **Gates:** 8000  
- **Speed Grade:** -70 (70 ns pin-to-pin delay)  
- **Package:** 44-Pin Plastic Leaded Chip Carrier (PLCC)  
- **Operating Voltage:** 5V  
- **I/O Pins:** 36  
- **Maximum Frequency:** 90 MHz  

### **Descriptions & Features:**  
- **In-System Programmability (ISP):** Allows programming after installation on the PCB.  
- **High-Density PLD:** Combines high logic capacity with flexible routing.  
- **E2CMOS Technology:** Electrically Erasable CMOS for reprogrammability.  
- **Flexible I/O:** Supports 5V TTL-compatible inputs and outputs.  
- **Global Routing Pool (GRP):** Provides efficient interconnectivity between logic blocks.  
- **Security Features:** Programmable security bit prevents unauthorized access.  
- **Wide Operating Temperature Range:** Commercial (0°C to 70°C).  

This device is commonly used in digital logic applications requiring moderate complexity and reprogrammability.

Application Scenarios & Design Considerations

In-System Programmable High Density PLD

Alternative Part Number

  • M4A5-128/64-10YNC --: Lattice's direct CPLD successor family to the ispLSI 1048E, offering comparable macrocell density and 5V in-system programmability in a 100-pin TQFP package.
  • EPM7128SLC84-10 --: Classic 5V MAX7000S CPLD with similar logic capacity and in-system programmability, widely available as a functional replacement for legacy ispLSI designs.
  • XC95144XL-10TQG100C --: 5V-tolerant XC9500XL CPLD with comparable macrocells and pin count, commonly used as a drop-in alternative for obsolete ispLSI 1048E designs.
Partnumber Manufacturer Quantity Availability
ISPLSI1048E-70LQ,ISPLSI1048E70LQ 30 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

  • 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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