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| Part Number | SN74LS193N | SN74LS393N | SN74LS93N | SN74LS293N | SN74LS193NS | SN74LS693N | SN74LS593N | SN74LS191N | SN74LS193D |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | onsemi |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Obsolete |
| Logic Type | Binary Counter | Binary Counter | Binary Counter | Binary Counter | - | - | Binary Counter | Binary Counter | Binary Counter |
| Direction | Up, Down | Up | Up | Up | - | - | Up | Up, Down | Up, Down |
| Number of Elements | 1 | 2 | 1 | 1 | - | - | 1 | 1 | 1 |
| Number of Bits per Element | 4 | 4 | 4 | 4 | - | - | 8 | 4 | 4 |
| Reset | Asynchronous | Asynchronous | Asynchronous | Synchronous | - | - | Synchronous | - | Asynchronous |
| Timing | Synchronous | - | - | - | - | - | - | Synchronous | Synchronous |
| Count Rate | 32 MHz | 35 MHz | 42 MHz | 42 MHz | - | - | 35 MHz | 25 MHz | 32 MHz |
| Trigger Type | Positive Edge | Negative Edge | Positive Edge | Positive 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 | 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 | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | - | - | Through Hole | Through Hole | Surface Mount |
| Package / Case | 16-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | - | - | 20-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-PDIP | 14-PDIP | 14-PDIP | 14-PDIP | - | - | 20-PDIP | 16-PDIP | 16-SOIC |
