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74ALVT16841DL データシート(PDF) 4 Page - NXP Semiconductors |
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74ALVT16841DL データシート(HTML) 4 Page - NXP Semiconductors |
4 / 14 page Philips Semiconductors Product specification 74ALVT16841 2.5V/3.3V 20-bit bus interface latch (3-State) 1998 Feb 13 4 PIN DESCRIPTION PIN NUMBER SYMBOL FUNCTION 55, 54, 52, 51, 49, 48, 47, 45, 44, 43 42, 41, 40, 38, 37, 36, 34, 33, 31, 30 1D0 – 1D9 2D0 – 2D9 Data inputs 2, 3, 5, 6, 8, 9, 10, 12, 13, 14 15, 16, 17, 19, 20, 21, 23, 24, 26, 27 1Q0 – 1Q9 2Q0 – 2Q9 Data outputs 1, 28 1OE, 2OE Output enable inputs (active-Low) 56, 29 1LE, 2LE Latch enable inputs (active rising edge) 4, 11, 18, 25, 32, 39, 46, 53 GND Ground (0V) 7, 22, 35, 50 VCC Positive supply voltage FUNCTION TABLE INPUTS OUTPUTS OPERATING MODE nOE nLE nDx nQ0 – nQ9 OPERATING MODE L L H H L H L H Transparent L L ↓ ↓ l h L H Latched H X X Z High impedance L L X NC Hold H = High voltage level h = High voltage level one set-up time prior to the High-to-Low LE transition L = Low voltage level l = Low voltage level one set-up time prior to the High-to-Low LE transition ↓ = High-to-Low LE transition NC= No change X = Don’t care Z = High impedance “off” state LOGIC DIAGRAM LQ D nD0 nQ0 nLE nOE D nD1 nQ1 D nD2 nQ2 D nD3 nQ3 D nD4 nQ4 D nD5 nQ5 D nD6 nQ6 D nD7 nQ7 D nD8 nQ8 D nD9 nQ9 SH00024 L Q L Q LQ LQ L Q LQ LQ L Q LQ |
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同様の説明 - 74ALVT16841DL |
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