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| Part Number | JM38510/31504BFA | JM38510/66304B2A | JM38510/66302B2A | JM38510/31504BEA | JM38510/66302SEA |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Series | 54LS | 54HC | 54HC | 54LS | 54HC |
| Package/Case | 16-CFlatPack | 20-CLCC | 20-CLCC | 16-CDIP (0.300", 7.62mm) | - |
| Packaging | Bulk | Bulk | Bulk | Bulk | Bulk |
| Product Status | Active | Active | Active | Active | Active |
| Logic Type | Binary Counter | Binary Counter | Binary Counter | Binary Counter | Binary Counter |
| Direction | Up | Up | Up | Up | Up |
| Number of Elements | 1 | 1 | 1 | 1 | 1 |
| Number of Bits per Element | 4 | 4 | 4 | 4 | 4 |
| Reset | Asynchronous | Synchronous | Asynchronous | Asynchronous | Asynchronous |
| Timing | Synchronous | Synchronous | Synchronous | Synchronous | Synchronous |
| Count Rate | 32 MHz | 36 MHz | 44 MHz | 32 MHz | 44 MHz |
| Trigger Type | Positive Edge | Positive Edge | Positive Edge | Positive Edge | Positive Edge |
| Voltage - Supply | 4.5 V ~ 5.5 V | 2 V ~ 6 V | 2 V ~ 6 V | 4.5 V ~ 5.5 V | 2 V ~ 6 V |
| Operating Temperature | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) |
| Grade | - | - | - | Military | - |
| Qualification | - | - | - | MIL-PRF-38535L | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Through Hole | - |
| Supplier Device Package | 16-CFP | 20-LCCC (8.89x8.89) | 20-LCCC (8.89x8.89) | 16-CDIP | - |
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