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74HC5555N 数据表(PDF) 7 Page - NXP Semiconductors |
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74HC5555N 数据表(HTML) 7 Page - NXP Semiconductors |
7 / 23 page September 1993 7 Philips Semiconductors Product specification Programmable delay timer with oscillator 74HC/HCT5555 DELAY TIME SELECTION SELECT INPUTS OUTPUT Q/Q (FREQUENCY DIVIDING) S3 S2 S1 S0 BINARY DECIMAL LLLL 21 2 LLL H 22 4 LL H L 23 8 LL H H 24 16 LHL L 25 32 LHLH 26 64 LH HL 27 128 LH H H 28 256 .... . . H LLL 217 131 072 HL LH 218 262 144 HLHL 219 524 288 HLH H 220 1 048 576 HH L L 221 2 097 152 HH L H 222 4 194 304 HHH L 223 8 388 608 HHHH 224 16 777 216 Fig.5 Timing diagram. Timing example shown for S3, S2, S1, S0 = 0011 (binary 24, decimal 16). handbook, full pagewidth 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 RS MR A Q MGA649 |
类似零件编号 - 74HC5555N |
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类似说明 - 74HC5555N |
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