74AC240 STMicroelectronics, 74AC240 Datasheet
74AC240
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74AC240 Summary of contents
Page 1
... V (OPR PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 240 IMPROVED LATCH-UP IMMUNITY DESCRIPTION The 74AC240 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. G control input governs four BUS BUFFERs. PIN CONNECTION AND IEC LOGIC SYMBOLS ...
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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 occour ...
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... Unit Max. V 0.9 1.35 V 1.65 V 0.1 0.1 0.1 V 0.5 0.5 0 -50 mA 3/9 ...
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... AC ELECTRICAL CHARACTERISTICS (C Symbol Parameter Propagation Delay 3.3 PLH PHL Time 5 Output Enable 3.3 PZL PZH Time 5 Output Disable 3.3 PLZ PHZ Time 5.0 (*) Voltage range is 3.3V 0.3V (**) Voltage range is 5.0V 0.5V CAPACITIVE CHARACTERISTICS Symbol Parameter V C Input Capacitance IN Output C OUT ...
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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) 74AC240 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.) 74AC240 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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