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| PartNumber | CD4045BNSRE4 | CD4045BNSR | CD4045BNSRG4 |
| Description | Counter ICs CMOS 21-STAGE COUNTER | Counter ICs CMOS 21-STAGE COUNTER | IC COUNTER 21-STAGE 16SO |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Counter ICs | Counter ICs | Logic - Counters, Dividers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SO-16 | SOP-16 | - |
| Counter Type | Binary | Binary | - |
| Logic Family | CMOS | CMOS | - |
| Number of Bits | 21 | 21 | - |
| Operating Supply Voltage | 3 V to 18 V | 3 V to 18 V | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Packaging | Reel | Reel | Tape & Reel (TR) |
| Operating Temperature Range | - 55 C to + 125 C | - 55 C to + 125 C | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Product Type | Counter ICs | Counter ICs | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Counter ICs | Counter ICs | - |
| Unit Weight | 0.008536 oz | 0.008536 oz | - |
| Series | - | - | 4000B |
| Package Case | - | - | 16-SOIC (0.209", 5.30mm Width) |
| Operating Temperature | - | - | -55°C ~ 125°C |
| Mounting Type | - | - | Surface Mount |
| Direction | - | - | Up |
| Voltage Supply | - | - | 3 V ~ 18 V |
| Supplier Device Package | - | - | 16-SO |
| Number of Elements | - | - | 1 |
| Logic Type | - | - | Binary Counter |
| Number of Bits per Element | - | - | 12 |
| Reset | - | - | - |
| Timing | - | - | - |
| Count Rate | - | - | 12MHz |
| Trigger Type | - | - | Negative Edge |