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Quad 2-input OR gate IC - CD4071
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The CD4071ย 2-input quad gates IC are monolithic complementary MOS (CMOS) integrated circuits constructed with N- and P-channel enhancement mode transistors. Theย CD4x Seriesย CD4071 have equal source and sink current capabilities and conforms to the standard B series output drive.
The devices also have buffered outputs which improve transfer characteristics by providing very high gain. All inputs are protected against static discharge with diodes to VDD and VSS.ย
check out :ย CD4011 - Quad 2-Input NAND Gate IC

Pinout ofย CD4071 IC
| Pin Name | Pin # | Type | Description |
|---|---|---|---|
| VDD | 14 | Power | Supply Voltage (+3 to +15V) |
| GND | 7 | Power | Ground (0V) |
| A1 to A4 | 1, 5, 8, 12 | Input | Inputs A of the four OR gates |
| B1 to B4 | 2, 6, 9, 13 | Input | Inputs B of the four OR gates |
| Q1 to Q4 | 3, 4, 10, 11 | Output | Outputs from the four OR gates |
| Part number | CD4071 |
| Voltage at Any Pin | ?0.5V to VDD +0.5V |
| Power Dissipation (PD) Dual-In-Line | 700 mW |
| VDD Range | ?0.5 VDC to +18 |
| VDC Storage Temperature (TS) | ?65ยฐC to +150ยฐC |
| Lead Temperature (TL) | 260ยฐC |