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| Part Number | SN74HC163DT | SN74HC193DT | SN74HC161DT | SN74HC163D | SN74HC163DR | 
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Active | Obsolete | Active | Active | Active | 
| Logic Type | Binary Counter | Binary Counter | Binary Counter | Binary Counter | Binary Counter | 
| Direction | Up | Up, Down | Up | Up | Up | 
| Number of Elements | 1 | 1 | 1 | 1 | 1 | 
| Number of Bits per Element | 4 | 4 | 4 | 4 | 4 | 
| Reset | Synchronous | Asynchronous | Asynchronous | Synchronous | Synchronous | 
| Timing | Synchronous | Synchronous | Synchronous | Synchronous | Synchronous | 
| Count Rate | 36 MHz | 24 MHz | 36 MHz | 36 MHz | 36 MHz | 
| Trigger Type | Positive Edge | Positive Edge | Positive Edge | Positive Edge | Positive Edge | 
| Voltage - Supply | 2 V ~ 6 V | 2 V ~ 6 V | 2 V ~ 6 V | 2 V ~ 6 V | 2 V ~ 6 V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |