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DM74S161N Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
DM74S161NNS250Yes

DM74S161N is a synchronous presettable binary counter manufactured by National Semiconductor (NSC).

The DM74S161N is a synchronous presettable binary counter manufactured by National Semiconductor (NSC). Here are its key specifications:

1. Logic Family: 74S (Schottky TTL)

2. Function: 4-bit synchronous binary counter

3. Counting Mode: Synchronous (parallel load capability)

4. Clock Input: Positive-edge triggered

5. Preset Inputs: Parallel load (asynchronous)

6. Clear Input: Asynchronous reset (active LOW)

7. Maximum Clock Frequency: 35 MHz (typical)

8. Supply Voltage (Vcc): 4.75V to 5.25V

9. Power Dissipation: 500 mW (max)

10. Operating Temperature Range: 0°C to +70°C

11. Package: 16-pin DIP (Dual In-line Package)

12. Output Drive: Standard TTL (totem-pole outputs)

Additional features include ripple carry output for cascading and fully synchronous operation.

(Source: National Semiconductor datasheet)

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