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74LV259PWDH Arkusz danych(PDF) 3 Page - NXP Semiconductors |
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74LV259PWDH Arkusz danych(HTML) 3 Page - NXP Semiconductors |
3 / 14 page Philips Semiconductors Product specification 74LV259 8-bit addressable latch 1998 May 20 3 PIN CONFIGURATION SV01602 1 2 3 4 5 6 A0 A1 A2 Q0 Q1 Q2 VCC MR LE 16 15 14 13 12 11 7 8 GND Q5 Q4 10 9 Q3 D Q7 Q6 PIN DESCRIPTION PIN NUMBER SYMBOL FUNCTION 1, 2, 3 A0 to A2 Address inputs 4, 5, 6, 7, 9, 10, 11, 12 Q0 to Q7 Latch outputs 8 GND Ground (0 V) 13 D Data input 14 LE Latch enable input (active LOW) 15 MR Conditional reset input (active LOW) 16 VCC Positive supply voltage LOGIC SYMBOL SV01601 Q0 LE MR Q1 D Q2 A0 Q3 Q4 Q5 Q6 Q7 4 5 6 7 9 10 11 12 14 15 13 1 A1 A2 2 3 LOGIC SYMBOL (IEEE/IEC) SV01603 15 13 1 2 3 14 G8 Z9 9, 10D 1 C10 8R 0 1 2 3 4 5 6 7 9 10 11 12 G 0 7 2 0 DX 4 5 6 7 FUNCTIONAL DIAGRAM SV01604 Q 0 Q 1 Q 2 Q 3 Q 4 Q 5 Q 6 Q7 4 5 6 7 9 10 11 12 14 15 13 1-of–8 DECODER 8 LATCHES LE MR D A0 1 A1 A2 2 3 MODE SELECT TABLE LE MR MODE L H Addressable latch H H Memory L L Active HIGH 8-channel demultiplexer H L Reset |
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