74LS145 BCD-to-Decimal Driver

Name: 74LS145 BCD-to-Decimal Driver
Brand: Texas Instruments

74LS145

Texas Instrumentsic logic

The 74LS145 BCD-to-Decimal Driver converts binary-coded decimal (BCD) to a seven-segment display format for numeric readout.

Manufacturer datasheet

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Specifications

Operating Voltage: 5.0 V to 12.0 V
Supply Current: 3.6 mA max (typical)
Temperature Range: -55 °C to 125 °C

Pinout

Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.

Pin	Name	Functions	Notes
1	A0	GPIO	BCD input
2	A1	GPIO	BCD input
3	A2	GPIO	BCD input
4	A3	GPIO	BCD input
5	G0	GND
6	G1	GND
7	G2	GND
8	G3	GND
9	B0	GPIO	Segment B output
10	B1	GPIO	Segment C output
11	B2	GPIO	Segment D output
12	B3	GPIO	Segment E output
13	B4	GPIO	Segment F output
14	B5	GPIO	Segment G output
15	DP	GPIO	Decimal point output
16	VCC	POWER

Interactive pinout

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74LS145

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