Datasheet Details
| Part number | MC145027 |
|---|---|
| Manufacturer | Freescale Semiconductor (now NXP Semiconductors) |
| File Size | 476.27 KB |
| Description | Encoder and Decoder Pairs CMOS |
| Datasheet | MC145027 MC145026 Datasheet (PDF) |
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Overview: Freescale Semiconductor Technical Data MC145026/D Rev. 4, 1/2005 MC145026, MC145027 MC145028 MC145026, MC145027, MC145028 Encoder and Decoder Pairs CMOS 1 Introduction These devices are designed to be used as encoder/decoder pairs in remote control applications. The MC145026 encodes nine lines of information and serially sends this information upon receipt of a transmit enable (TE) signal. The nine lines may be encoded with trinary data (low, high, or open) or binary data (low or high). The words are transmitted twice per encoding sequence to increase security. The MC145027 decoder receives the serial stream and interprets five of the trinary digits as an address code. Thus, 243 addresses are possible. If binary data is used at the encoder, 32 addresses are possible. The remaining serial information is interpreted as four bits of binary data. The valid transmission (VT) output goes high on the MC145027 when two conditions are met. First, two addresses must be consecutively received (in one encoding sequence) which both match the local address. Second, the 4 bits of data must match the last valid data received. The active VT indicates that the information at the Data output pins has been updated. 16 1 P Suffix Plastic DIP Case 648 16 1 D Suffix SOG Package Case751B 16 1 DW Suffix SOG Package Case 751G Ordering Information Device Package MC145026P Plastic DIP MC145026D SOG Package MC145027P Plastic DIP MC145027DW SOG Package MC145028P Plastic DIP MC145028DW SOG Package Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 Electrical Specifications . . . . . . . . . . . . . . . . 4 3 Operating Characteristics . . . . . . . . . . . . . . .
This datasheet includes multiple variants, all published together in a single manufacturer document.
| Part number | MC145027 |
|---|---|
| Manufacturer | Freescale Semiconductor (now NXP Semiconductors) |
| File Size | 476.27 KB |
| Description | Encoder and Decoder Pairs CMOS |
| Datasheet | MC145027 MC145026 Datasheet (PDF) |
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