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SN74HC688DWG4 from TI,Texas Instruments

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SN74HC688DWG4

Manufacturer: TI

8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
SN74HC688DWG4 TI 602 In Stock

Description and Introduction

8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-SOIC -40 to 85 **Manufacturer:** Texas Instruments (TI)  

**Part Number:** SN74HC688DWG4  

**Specifications:**  
- **Logic Type:** 8-Bit Magnitude Comparator  
- **Supply Voltage Range:** 2 V to 6 V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC (DW) – 20-pin  
- **Output Type:** Active Low  
- **Propagation Delay:** 17 ns (typical) at 5 V  
- **Input Capacitance:** 3.5 pF (typical)  
- **Quiescent Current:** 4 µA (max) at 6 V  

**Descriptions:**  
The SN74HC688DWG4 is an 8-bit magnitude comparator that compares two 8-bit binary or BCD words and provides an active-low output when the words are equal. It features a cascadable enable input for expansion to larger word sizes.  

**Features:**  
- High-speed CMOS logic  
- Low power consumption  
- Wide operating voltage range (2 V to 6 V)  
- Output drive capability: 10 LSTTL loads  
- Balanced propagation delays  
- Latch-up performance exceeds 250 mA per JESD 17  
- ESD protection exceeds 2000 V per JESD 22  

(Source: Texas Instruments datasheet)

Application Scenarios & Design Considerations

8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-SOIC -40 to 85

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