CD4518BE · Texas Instruments
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Dual BCD up counter. CD4000-series CMOS: runs from 3V to 18V, draws almost no static current, and is slower and far more tolerant of supply range than 74HC.
| Part number | CD4518BE |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits › Counters |
| Package | DIP-16 |
| Pins | 16 |
| Voltage (max) | 18 V |
| Voltage (min) | 3 V |
CD4518 pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | 1CLK | clock | Counter 1 clock |
| 2 | 1EN | input | Counter 1 enable |
| 3 | 1Q1 | output | Counter 1 output Q1 |
| 4 | 1Q2 | output | Counter 1 output Q2 |
| 5 | 1Q3 | output | Counter 1 output Q3 |
| 6 | 1Q4 | output | Counter 1 output Q4 |
| 7 | 1MR | input | Counter 1 reset |
| 8 | VSS | ground | Ground |
| 9 | 2MR | input | Counter 2 reset |
| 10 | 2Q4 | output | Counter 2 output Q4 |
| 11 | 2Q3 | output | Counter 2 output Q3 |
| 12 | 2Q2 | output | Counter 2 output Q2 |
| 13 | 2Q1 | output | Counter 2 output Q1 |
| 14 | 2EN | input | Counter 2 enable |
| 15 | 2CLK | clock | Counter 2 clock |
| 16 | VDD | power | Supply, 3–18V |
Schematic symbol and footprint
Schematic symbol
Footprint: DIP-16 — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.