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BCD to 7-Segment Decoders/Drivers
7447
ic logic
The DM7446A and DM7447A are BCD-to-7-segment decoders/drivers designed for driving common-anode LEDs or incandescent indicators directly. They feature active-low outputs, lamp intensity modulation capability, open-collector outputs, and a lamp test input.
In stock
Specifications
3- Operating Voltage
- 5.0 V max, 3.0 V min (unless otherwise specified) V
- Package
- 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
- Order Number
- DM7446AN/DM7447AN
Pinout
16| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | VCC | POWER | Supply voltage |
| 2 | B | GPIO | Input for B segment |
| 3 | C | GPIO | Input for C segment |
| 4 | LAMP TEST | GPIO | Test input |
| 5 | BI/RBO | GPIO | Blanking input |
| 6 | RBI | GPIO | Leading/trailing edge blanking control |
| 7 | D | GPIO | Input for D segment |
| 8 | GND | GND | Ground |
| 9 | a | GPIO | Output for a segment |
| 10 | b | GPIO | Output for b segment |
| 11 | c | GPIO | Output for c segment |
| 12 | d | GPIO | Output for d segment |
| 13 | e | GPIO | Output for e segment |
| 14 | f | GPIO | Output for f segment |
| 15 | g | GPIO | Output for g segment |
| 16 | VCC | POWER | Supply voltage |
Interactive pinout
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7447
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