74AC244 STMicroelectronics, 74AC244 Datasheet
74AC244
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74AC244 Summary of contents
Page 1
... G control output governs four BUS BUFFERs. This device is desibned to be used with 3 state memory address drivers, etc. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess www.DataSheet4U.com voltage. 2 MOS 74AC244 M (Micro Package) 74AC244M 1/8 ...
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... INPUT AND OUTPUT EQUIVALENT CIRCUIT TRUTH TABLE INPUT ”H” or ”L” Z: High impedance ABSOLUTE MAXIMUM RATINGS Symbol Parameter V Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current Output Current ...
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... 3 = 4 5 GND 5 5 GND GND 1.65 V max OLD V = 3.85 V min OHD 74AC244 Value Unit - Max. Min . Max. 1.5 2.1 V 3.15 3.85 1.5 0.9 0.9 V 1.35 1.35 1.65 1.65 2.9 4.4 5.4 V 2.46 3.76 4.76 0.1 0.1 0.1 0.1 0.1 0.1 V 0.36 0.44 0.36 0.44 0.36 0. ...
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... AC ELECTRICAL CHARACTERISTICS (C Symbol Parameter t Propagation Delay Time PLH t PHL t Output Enable Time PZL t PZH t Output Disable Time PLZ t PHZ (*) Voltage range is 3.3V 0.3V (**) Voltage range is 5V 0.5V CAPACITIVE CHARACTERISTICS Symb ol Parameter C Input Capacitance IN C Output Capacitance OUT C Power Dissipation PD Capacitance (note defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to PD Test Circuit) ...
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... WAVEFORM 1: PROPAGATION DELAYS (f=1MHz; 50% duty cycle) WAVEFORM 2: OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle) 74AC244 5/8 ...
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... Plastic DIP20 (0.25) MECHANICAL DATA DIM. MIN. TYP. a1 0.254 B 1.39 b 0. 2.54 e3 22. 6/8 mm MAX. MIN. 0.010 1.65 0.055 25.4 8.5 7.1 3.93 3.3 1.34 inch TYP. MAX. 0.065 0.018 0.010 1.000 0.335 0.100 0.900 0.280 0.155 0.130 0.053 P001J ...
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... SO20 MECHANICAL DATA mm DIM. MIN. TYP 0. 0.35 b1 0. 12.60 E 10.00 e 1.27 e3 11.43 F 7. inch MAX. MIN. TYP. 2.65 0.20 0.004 2.45 0.49 0.013 0.32 0.009 0.020 45 (typ.) 13.00 0.496 10.65 0.393 0.050 0.450 7.60 0.291 1.27 0.19 0.75 8 (max.) 74AC244 MAX. 0.104 0.007 0.096 0.019 0.012 0.512 0.419 0.299 0.050 0.029 P013L 7/8 ...
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... Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsabilit y for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice ...