Datenblatt-Suchmaschine für elektronische Bauteile |
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74LCX646M1R Datenblatt(PDF) 2 Page - STMicroelectronics |
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74LCX646M1R Datenblatt(HTML) 2 Page - STMicroelectronics |
2 / 13 page M74LCX646 2/13 (enable G high), "A" data may be stored in one register and/or "B" data may be stored in the other register. When an output function is disabled, the input function is still enabled and may be used to store and transmit data. Only one of the two buses, A or B, may be driven at a time. It has same speed performance at 3.3V than 5V AC/ACT family, combined with a lower power consumption. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 1 CLOCK AB (CAB) A to B Clock Input (LOW to HIGH, Edge-Triggered) 2 SELECT AB (SAB) Select A to B Source Input 3 DIR Direction Control Input 4, 5, 6, 7, 8, 9, 10, 11 A1 to A8 A Data Inputs/Outputs 20, 19, 18, 17, 16, 15, 14, 13 B1 to B8 B Data Inputs/Outputs 21 G Output Enable Input (Active LOW) 22 SELECT BA (SBA) Select B to A Source Input 23 CLOCK BA (CBA) B to A Clock Input (LOW to HIGH, Edge Triggered) 12 GND Ground (0V) 24 VCC Positive Supply Voltage |
Ähnliche Teilenummer - 74LCX646M1R |
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Ähnliche Beschreibung - 74LCX646M1R |
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