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| Part Number | SN74LS193NSR | SN74LS393NSR | SN74LS593NSR | SN74LS93NSR | SN74LS191NSR | SN74LS193NS |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Obsolete | Discontinued at Digi-Key | Active | Active |
| Logic Type | Binary Counter | Binary Counter | Binary Counter | Binary Counter | Binary Counter | - |
| Direction | Up, Down | Up | Up | Up | Up, Down | - |
| Number of Elements | 1 | 2 | 1 | 1 | 1 | - |
| Number of Bits per Element | 4 | 4 | 8 | 4 | 4 | - |
| Reset | Asynchronous | Asynchronous | Synchronous | Asynchronous | - | - |
| Timing | Synchronous | - | - | - | Synchronous | - |
| Count Rate | 32 MHz | 35 MHz | 35 MHz | 42 MHz | 25 MHz | - |
| Trigger Type | Positive Edge | Negative Edge | Positive Edge | Positive Edge | Positive Edge | - |
| Voltage - Supply | 4.75 V ~ 5.25 V | 4.75 V ~ 5.25 V | 4.75 V ~ 5.25 V | 4.75 V ~ 5.25 V | 4.75 V ~ 5.25 V | - |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | - |
| Package / Case | 16-SOIC (0.209", 5.30mm Width) | 14-SOIC (0.209", 5.30mm Width) | 20-SOIC (0.209", 5.30mm Width) | 14-SOIC (0.209", 5.30mm Width) | 16-SOIC (0.209", 5.30mm Width) | - |
| Supplier Device Package | 16-SO | 14-SO | 20-SO | 14-SO | 16-SO | - |
