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74HCT390D 数据表(PDF) 3 Page - NXP Semiconductors |
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74HCT390D 数据表(HTML) 3 Page - NXP Semiconductors |
3 / 7 page December 1990 3 Philips Semiconductors Product specification Dual decade ripple counter 74HC/HCT390 ORDERING INFORMATION See “74HC/HCT/HCU/HCMOS Logic Package Information”. PIN DESCRIPTION PIN NO. SYMBOL NAME AND FUNCTION 1, 15 1CP0, 2CP0 clock input divide-by-2 section (HIGH-to-LOW, edge-triggered) 2, 14 1MR, 2MR asynchronous master reset inputs (active HIGH) 3, 5, 6, 7 1Q0 to 1Q3 flip-flop outputs 4, 12 1CP1, 2CP1 clock input divide-by-5 section (HIGH-to-LOW, edge triggered) 8 GND ground (0 V) 13, 11, 10, 9 2Q0 to 2Q3 flip-flop outputs 16 VCC positive supply voltage Fig.1 Pin configuration. Fig.2 Logic symbol. Fig.3 IEC logic symbol. |
类似零件编号 - 74HCT390D |
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类似说明 - 74HCT390D |
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