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74ABT2240 数据表(PDF) 2 Page - NXP Semiconductors |
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74ABT2240 数据表(HTML) 2 Page - NXP Semiconductors |
2 / 10 page Philips Semiconductors Product specification 74ABT2240 Octal inverting buffer with 30 Ω series termination resistors (3-State) 2 1998 Jan 16 853-1626 18865 FEATURES • Octal bus interface • 3-State buffers • Live insertion/extraction permitted • Outputs include series resistance of 30Ω, making external termination resistors unnecessary • Output capability: +12mA/–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 • Same part as 74ABT240-1 DESCRIPTION The 74ABT2240 high-performance BiCMOS device combines low static and dynamic power dissipation with high speed. The 74ABT2240 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. The 74ABT2240 is designed with 30 Ω series resistance in both the High and Low states of the output. This design reduces line noise in applications such as memory address drivers, clock drivers and bus receivers/transmitters. The 74ABT2240 is the same as the 74ABT240-1. The part number has been changed to reflect industry standards. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS Tamb = 25°C; GND = 0V TYPICAL UNIT tPLH tPHL Propagation delay An to Yn CL = 50pF; VCC = 5V 2.8 4.3 ns CIN Input capacitance VI = 0V or VCC 3 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 74ABT2240 N 74ABT2240 N SOT146-1 20-Pin plastic SO –40 °C to +85°C 74ABT2240 D 74ABT2240 D SOT163-1 20-Pin Plastic SSOP Type II –40 °C to +85°C 74ABT2240 DB 74ABT2240 DB SOT339-1 20-Pin Plastic TSSOP Type I –40 °C to +85°C 74ABT2240 PW 7ABT2240PW DH SOT360-1 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 2Y31Y3 GND 2A2 1Y2 2A1 1Y1 2A0 1Y0 2OE VCC 2A3 SA00034 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 |
类似零件编号 - 74ABT2240 |
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类似说明 - 74ABT2240 |
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