Datasheet Details
| Part number | 74LS48 |
|---|---|
| Manufacturer | National Semiconductor (now Texas Instruments) |
| File Size | 116.31 KB |
| Description | BCD to 7-Segment Decoder |
| Download | 74LS48 Download (PDF) |
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Overview: DM74LS48 BCD to 7-Segment Decoder January 1992 DM74LS48 BCD to 7-Segment.
| Part number | 74LS48 |
|---|---|
| Manufacturer | National Semiconductor (now Texas Instruments) |
| File Size | 116.31 KB |
| Description | BCD to 7-Segment Decoder |
| Download | 74LS48 Download (PDF) |
|
|
|
The ’LS48 translates four lines of BCD (8421) input data into the 7-segment numeral code and provides seven corresponding outputs having pull-up resistors as opposed to totem pole pull-ups These outputs can serve as logic signals with a HIGH output corresponding to a lighted lamp segment or can provide a 1 3 mA base current to npn lamp driver transistors Auxiliary inputs provide lamp test blanking and cascadable zero-suppression functions The ’LS48 decodes the input data in the pattern indicated in the Truth Table and the segment identification illustration Connection Diagram Dual-In-Line Package TL F 10172 – 1 Order Number DM74LS48M or DM74LS48N See NS Package Number M16A or N16E C1995 National Semiconductor Corporation TL F 10172 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note) Supply Voltage Input Voltage Operating Free Air Temperature Range DM74LS Storage Temperature Range 7V 7V 0 C to a 70 C b 65 C to a 150 C Note The ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed The device should not be operated at these limits The parametric values defined in the ‘‘Electrical Characteristics’’ table are not guaranteed at the absolute maximum ratings The ‘‘Recommended Operating Conditions’’ table will define the conditions for actual device operation Recommended Operating Conditions Symbol VCC VIH VIL IOH IOL TA Parameter Min Supply Voltage High Level Input Voltage Low Level Input Voltage High Level Output Current Low Level Output Current Free Air Operating Temperature 0 4 75 2 08 b 50 DM74LS48 Nom 5 Max 5 25 Units V V V mA mA C 60 70 Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Symbol VI VOH IOFF VOL Parameter Input Clamp Voltage High Level Output Voltage Output High Current Segment Outputs Low Level Output Voltage Conditions VCC e
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| Brand Logo | Part Number | Description | Manufacturer |
|---|---|---|---|
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74LS48 | BCD-to-Seven-Segment Decoder Driver | Hitachi Semiconductor |
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74LS48 | BCD TO 7-SEGMENT DECODER | Motorola |
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