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74ABT240PWDH 데이터시트(PDF) 1 Page - NXP Semiconductors |
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1 / 5 page Philips Semiconductors Product specification 74ABT240 Octal inverting buffer (3-State) 2 1996 Sep 10 853–1608 17274 FEATURES • Octal bus interface • 3-State buffers • Output capability: +64mA/–32mA • Latch-up protection exceeds 500mA per Jedec Std 17 • ESD protection exceeds 2000 V per MIL STD 883 Method 3015 and 200 V per Machine Model • Power-up 3-State • Live insertion/extraction permitted DESCRIPTION The 74ABT240 high-performance BiCMOS device combines low static and dynamic power dissipation with high speed and high output drive. The 74ABT240 device is an octal inverting buffer that is ideal for driving bus lines. The device features two Output Enables (1OE, 2OE), each controlling four of the 3-State outputs. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS Tamb = 25°C; GND = 0V TYPICAL UNIT tPLH tPHL Propagation delay nAx to nYx CL = 50pF; VCC = 5V 3.1 ns CIN Input capacitance VI = 0V or VCC 4 pF COUT Output capacitance Outputs disabled; VO = 0V or VCC 7 pF ICCZ Total supply current Outputs disabled; VCC =5.5V 50 µA ORDERING INFORMATION PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA DWG NUMBER 20-Pin Plastic DIP –40 °C to +85°C 74ABT240 N 74ABT240 N SOT146-1 20-Pin plastic SO –40 °C to +85°C 74ABT240 D 74ABT240 D SOT163-1 20-Pin Plastic SSOP Type II –40 °C to +85°C 74ABT240 DB 74ABT240 DB SOT339-1 20-Pin Plastic TSSOP Type I –40 °C to +85°C 74ABT240 PW 74ABT240PW DH SOT360-1 PIN DESCRIPTION PIN NUMBER SYMBOL NAME AND FUNCTION 2, 4, 6, 8 1A0 – 1A3 Data inputs 11, 13, 15, 17 2A0 – 2A3 Data inputs 18, 16, 14, 12 1Y0 – 1Y3 Data outputs 9, 7, 5, 3 2Y0 – 2Y3 Data outputs 1, 19 1OE, 2OE Output enables 10 GND Ground (0V) 20 VCC Positive supply voltage PIN CONFIGURATION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1OE 1A0 2Y0 1A1 2Y1 1A2 2Y2 1A3 2Y3 1Y3 GND 2A2 1Y2 2A1 1Y1 2A0 1Y0 2OE VCC 2A3 SA00034 |
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