7448 BCD to 7-Segment Decoder/Driver IC (74LS48, SN74LS48N, 74HC48)
The 7448 BCD to 7-Segment Decoder/Driver IC is a highly efficient integrated circuit designed to convert Binary-Coded Decimal (BCD) inputs into a format that drives common-cathode 7-segment displays. This IC is ideal for applications such as digital clocks, counters, and other electronic devices requiring numeric displays.
Key Features:
Active-High Outputs: Directly drives lamp buffers or common-cathode LEDs.
Ripple-Blanking Input/Output (RBI\ & RBO): Automatic leading and trailing zero suppression for cleaner displays.
Lamp-Test Input (LT): Test the display at any time when the BI\ / RBO\ node is high.
Overriding Blanking Input (BI): Controls output inhibition and can modulate lamp intensity.
Unique Display for BCD Values Above 9: Displays distinct symbols when BCD inputs are outside the 0-9 range.
TTL Logic Compatibility: Fully compatible with TTL logic circuits for seamless integration.
Additional Features:
Internal Pull-Ups: No need for external resistors, simplifying circuit design.
Lamp Intensity Modulation: Control display brightness for energy-efficient applications.
Leading/Trailing Zero Suppression: Automatic suppression improves display efficiency by showing only relevant digits.
Package Includes:
1 x 7448 BCD to 7-Segment Decoder/Driver IC
Models: 74LS48, SN74LS48N, 74HC48
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