Datasheet Details
| Part number | DM74LS447 |
|---|---|
| Manufacturer | National Semiconductor (now Texas Instruments) |
| File Size | 115.39 KB |
| Description | BCD to 7-Segment Decoder/Driver |
| Datasheet | DM74LS447-NationalSemiconductor.pdf |
|
|
Overview: DM54LS447 DM74LS447 BCD to 7-Segment Decoder Driver with Open-Collector Outputs DM54LS447 DM74LS447 BCD to 7-Segment Decoder Driver with Open-Collector Outputs.
| Part number | DM74LS447 |
|---|---|
| Manufacturer | National Semiconductor (now Texas Instruments) |
| File Size | 115.39 KB |
| Description | BCD to 7-Segment Decoder/Driver |
| Datasheet | DM74LS447-NationalSemiconductor.pdf |
|
|
|
The ’LS447 is the same as the ’LS247 except that the Output OFF Voltage VOH is specified as 7 0V rather than 15V with the same IOH limit of 250 mA For all other information please refer to the ’LS247 data sheet Connection Diagram Dual-In-Line Package May 1992 TL F 10187 – 1 Order Number DM54LS447J DM54LS447W DM74LS447M or DM74LS447N See NS Package Number J16A M16A N16E or W16A C1995 National Semiconductor Corporation TL F 10187 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage 7V Input Voltage 7V Operating Free Air Temperature Range DM54LS b55 C to a125 C DM74LS 0 C to a70 C Storage Temperature Range b65 C to a150 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 ‘‘Remended Operating Conditions’’ table will define the conditions for actual device operation Remended Operating Conditions Symbol Parameter VCC Supply Voltage VIH High Level Input Voltage VIL Low Level Input Voltage IOH High Level Output Current (BI RBO) IOL Low Level Output Current TA Free Air Operating Temperature DM54LS447 Min Nom Max 45 5 55 2 07 b50 12 b55 125 DM74LS447 Min Nom Max 4 75 5 5 25 2 08 b50 24 0 70 Units V V V mA mA C Electrical Characteristics over remended operating free air temperature range (unless otherwise noted) Symbol Parameter Conditions Min VI Input Clamp Voltage VCC e Min II e b18 mA VOH High Level O
| Part Number | Description |
|---|---|
| DM74LS40 | Dual 4-Input NAND Buffer |
| DM74LS42 | Decimal Decoders |
| DM74LS450 | 16:1 Multiplexer |
| DM74LS451 | DM54LS451/DM74LS451 DUAL 8:1 Multiplexer |
| DM74LS460 | 10-Bit Comparator |
| DM74LS461 | Octal Counter |
| DM74LS465 | (DM74LS465 - DM74LS468) TRI-STATE Octal Buffer |
| DM74LS466 | (DM74LS465 - DM74LS468) TRI-STATE Octal Buffer |
| DM74LS467 | (DM74LS465 - DM74LS468) TRI-STATE Octal Buffer |
| DM74LS468 | (DM74LS465 - DM74LS468) TRI-STATE Octal Buffer |