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TC74AC161FT from TOSHIBA

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TC74AC161FT

Manufacturer: TOSHIBA

CMOS Digital Integrated Circuit Silicon Monolithic

Partnumber Manufacturer Quantity Availability
TC74AC161FT TOSHIBA 2000 In Stock

Description and Introduction

CMOS Digital Integrated Circuit Silicon Monolithic The TC74AC161FT is a synchronous presettable binary counter manufactured by Toshiba. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage Range (VCC):** 2.0V to 5.5V  
- **High-Speed Operation:** tpd = 6.0 ns (max) at 5V  
- **Low Power Consumption:** ICC = 4.0 μA (max) at 5V  
- **Output Current:** ±24 mA (min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TSSOP-16  

### **Descriptions:**  
- **Type:** 4-bit synchronous binary counter  
- **Counting Mode:** Synchronous counting with parallel load capability  
- **Clock Input:** Positive-edge triggered  
- **Reset Function:** Asynchronous master reset (MR)  
- **Preset Function:** Parallel load (PE) for preset values  
- **Carry Output:** Ripple carry output (TC) for cascading  

### **Features:**  
- **Synchronous Operation:** All flip-flops clocked simultaneously  
- **Parallel Load Capability:** Allows presetting the counter  
- **Asynchronous Reset:** Clears all flip-flops independently of the clock  
- **Cascadable:** TC output enables multistage counting  
- **Wide Operating Voltage:** Compatible with 3.3V and 5V systems  
- **AC Series Performance:** High-speed, low-power CMOS technology  

This information is based on Toshiba's official datasheet for the TC74AC161FT.

Partnumber Manufacturer Quantity Availability
TC74AC161FT 1000 In Stock

Description and Introduction

CMOS Digital Integrated Circuit Silicon Monolithic The TC74AC161FT is a synchronous presettable binary counter manufactured by Toshiba.  

### **Key Specifications:**  
- **Logic Family:** AC (Advanced CMOS)  
- **Counter Type:** 4-bit synchronous binary counter  
- **Counting Mode:** Up counter  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **High-Speed Operation:** Typical propagation delay of 7.5 ns at 5V  
- **Low Power Consumption:** CMOS technology ensures low power dissipation  
- **Preset Capability:** Parallel load feature for preset values  
- **Clear Function:** Asynchronous master reset  
- **Clock Input:** Positive-edge triggered  
- **Output Type:** Standard (non-tristate)  
- **Package Type:** TSSOP (Thin Shrink Small Outline Package)  
- **Pin Count:** 16  

### **Features:**  
- Fully synchronous operation  
- Asynchronous master reset  
- Parallel load capability for preset values  
- Carry output for cascading multiple counters  
- Wide operating voltage range (2.0V to 5.5V)  
- High noise immunity  
- Compatible with TTL inputs  

### **Applications:**  
- Frequency division  
- Time delay circuits  
- Event counting  
- Digital clocks  
- General-purpose counting applications  

This counter is commonly used in digital systems where precise counting and timing operations are required.

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