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| TYPE | DESCRIPTION |
| Mfr | NXP USA Inc. |
| Series | 4000B |
| Package | Tube |
| Part Status | Obsolete |
| Logic Type | Binary Counter |
| Direction | Up, Down |
| Number of Elements | 1 |
| Number of Bits per Element | 4 |
| Reset | Asynchronous |
| Timing | Synchronous |
| Count Rate | 18 MHz |
| Trigger Type | Positive Edge |
| Voltage - Supply | 4.5 V ~ 15.5 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SO |
| Base Product Number | HEF45 |
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