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74F712-1 Folha de dados(PDF) 2 Page - NXP Semiconductors |
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74F712-1 Folha de dados(HTML) 2 Page - NXP Semiconductors |
2 / 16 page Philips Semiconductors Product specification 74F711A/74F711–1/ 74F712A/74F712–1 Multiplexers 74F711A Quint 2-to-1 Data Selector Multiplexer (3-State) 74F711-1 Quint 2-to-1 Data Selector Multiplexer with 30 W Equivalent Output Termination Impedance (3-State) 74F712A Quint 3-to-1 Data Selector Multiplexer 74F712-1 Quint 3-to-1 Data Selector Multiplexer with 30 W Equivalent Output Termination Impedance 2 1990 Dec 13 853-1368 01258 FEATURES for 74F711A/74F711-1 • Consists of five 2-to-1 Multiplexers • High impedance PNP base inputs for reduced loading (20 µA in High and Low states) • Designed for address multiplexing of dynamic RAM and other applications • Output inverting/non-inverting option • 30W termination impedance on each output – 74F711-1 • Outputs sink 64mA (74F711A only) FEATURES for 74F712A/74F712-1 • Consists of five 3-to-1 Multiplexers • High impedance PNP base inputs for reduced loading (20 µA in High and Low states) • Designed for address multiplexing of dynamic RAM and other applications • 30W termination impedance on each output – 74F712-1 • Outputs sink 64mA (74F712A only) DESCRIPTION The 74F711A/74F711-1 consist of five 2-to-1 multiplexers designed for address multiplexing of dynamic RAMs and other multiplexing applications. The 74F711A has a common select (S) input, an Output Enable (OE) input and an Output Inverting (INV) input to control the 3-State outputs. The outputs source 15mA and sink 64mA. The 74F711-1 is the same as the 74F711A except that is has a 30 W termination impedance on each output to reduce line noise and the 3-State outputs sink 5mA. When the inverting input (INV) is Low, the input data path is inverted. To improve speed and noise immunity, VCC and GND side pins are used. The 74F712A/74F712-1 consist of five 3-to1 multiplexers designed for address multiplexing of dynamic RAMs and other multiplexing applications. The 74F712A has two select (S0, S1) inputs to determine which set of five inputs will be propagated to the five outputs. The outputs source 15mA and sink 64mA. The 74F712-1 is the same as the 74F712A except that it has a 30 W termination impedance on each output to reduce line noise and the outputs sink 5mA. TYPE TYPICAL PROPAGATION DELAY TYPICAL SUPPLY CURRENT (TOTAL) 74F711A 6.0ns 30mA 74F711-1 6.5ns 29mA 74F712A 6.5ns 25mA 74F712-1 6.5ns 25mA ORDERING INFORMATION DESCRIPTION COMMERCIAL RANGE VCC = 5V ± 10% Tamb = 0° C to +70°C PKG DWG # 20-Pin Plastic DIP N74F711AN, N74F711-1N SOT146-1 24-Pin Plastic Slim DIP (300 mil) N74F712AN, N74F712-1N SOT222-1 20-Pin Plastic SOL N74F711AD, N74F711-1D SOT163-1 24-Pin Plastic SOL N74F712AD, N74F712-1D SOT137-1 INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS DESCRIPTION 74F(U.L.) HIGH/LOW LOAD VALUE HIGH/LOW Dna, Dnb Data inputs 1.0/0.066 20 µA/40µA S Select input 1.0/0.033 20 µA/20µA 74F711A/ OE Output Enable input (active Low) 1.0/0.033 20 µA/20µA 74F711-1 INV Output inverting input (active Low) 1.0/0.033 20 µA/20µA Q0 - Q4 Data outputs for 74F711A 750/106.7 15mA/64mA Q0 - Q4 Data outputs for 74F711-1 750/8.33 15mA/5mA Dna, Dnb, Dnc Data inputs 1.0/0.066 20 µA/40µA 74F712A/ S0, S1 Select inputs 1.0/0.033 20 µA/20µA 74F712-1 Q0 - Q4 Data outputs for 74F712A 750/106.7 15mA/64mA Q0 - Q4 Data outputs for 74F712-1 750/8.33 15mA/5mA NOTE: One (1.0) FAST Unit Load (U.L.) is defined as: 20 µA in the High state and 0.6mA in the Low state. |
Nº de peça semelhante - 74F712-1 |
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Descrição semelhante - 74F712-1 |
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