ZHCSPC0D November 1997 – November 2021 CD54HC259 , CD54HCT259 , CD74HC259 , CD74HCT259
PRODUCTION DATA
請參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
The Function Tableand Latch Selection Table below list the functional modes of the CDx4HC(T)259.
| INPUTS(1) | OUTPUT OF ADDRESSED LATCH(2) | EACH OTHER OUTPUT(2) | FUNCTION | |
|---|---|---|---|---|
| CLR | G | |||
| H | L | D | QiO | Addressable latch |
| H | H | QiO | QiO | Memory |
| L | L | D | L | 8-line demultiplexer |
| L | H | L | L | Clear |
| SELECT INPUTS(1) | LATCH ADDRESSED | ||
|---|---|---|---|
| S2 | S1 | S0 | |
| L | L | L | 0 |
| L | L | H | 1 |
| L | H | L | 2 |
| L | H | H | 3 |
| H | L | L | 4 |
| H | L | H | 5 |
| H | H | L | 6 |
| H | H | H | 7 |