74ACT244 STMicroelectronics, 74ACT244 Datasheet
74ACT244
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74ACT244 Summary of contents
Page 1
... CC PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 244 IMPROVED LATCH-UP IMMUNITY DESCRIPTION The 74ACT244 is an advanced high-speed CMOS OCTAL BUS BUFFER (3-STATE) fabricated with sub-micron silicon gate and double-layer metal 2 wiring C MOS tecnology. The G input controls four BUS BUFFERs. ...
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... INPUT AND OUTPUT EQUIVALENT CIRCUIT TRUTH TABLE Don’t Care Z : High Impedance ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current Output Current Ground Current CC GND CC T Storage Temperature stg T Lead Temperature (10 sec) L Absolute Maximum Ratings are those values beyond which damage to the device may occur ...
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... Value = 25°C -40 to 85°C -55 to 125°C Typ. Max. Min. Max. Min. 4.6 9.0 1.5 10.0 1.5 5.7 9.5 1.5 10.5 1.5 6.4 10.0 1.5 11.0 1.5 74ACT244 Unit Max. V 0.8 0.8 V 0.1 V 0.1 0 -50 mA Unit Max. 11 ...
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... CAPACITIVE CHARACTERISTICS Symbol Parameter V C Input Capacitance IN Output C OUT Capacitance 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 PD load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I ...
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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) 74ACT244 5/9 ...
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... Plastic DIP-20 (0.25) MECHANICAL DATA DIM. MIN. a1 0.254 B 1. 6/9 mm TYP. MAX. MIN. 0.010 1.65 0.055 0.45 0.25 25.4 8.5 2.54 22.86 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 ...
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... M S 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.) 74ACT244 MAX. 0.104 0.007 0.096 0.019 0.012 0.512 0.419 0.299 0.050 0.029 P013L 7/9 ...
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... DIM. MIN 0.05 A2 0.85 b 0.19 c 0.09 D 6.4 E 6. PIN 1 IDENTIFICATION 1 8/9 TSSOP20 MECHANICAL DATA mm TYP. MAX. 1.1 0.10 0.15 0.9 0.95 0.30 0.2 6.5 6.6 6.4 6.5 4.4 4.48 0.65 BSC 0.60 0. inch MIN. TYP. MAX. 0.433 0.002 0.004 ...
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