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74ABT2244PW Folha de dados(PDF) 2 Page - NXP Semiconductors |
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74ABT2244PW Folha de dados(HTML) 2 Page - NXP Semiconductors |
2 / 12 page Philips Semiconductors Product specification 74ABT2244 Octal buffer/line driver with 30 Ω series termination resistors (3-State) 2 1998 Jan 16 853-1627 18867 FEATURES • Octal bus interface • 3-State buffers • Live insertion/extraction permitted • Outputs include series resistance of 30Ω, making external termination resistors unnecessary • Output capability: +5mA/–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 74ABT244-1 • Inputs are disabled during 3-State mode DESCRIPTION The 74ABT2244 high-performance BiCMOS device combines low static and dynamic power dissipation with high speed. The 74ABT2244 device is an octal 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 74ABT2244 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 74ABT2244 is the same as the 74ABT244-1. 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 3.9 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 74ABT2244 N 74ABT2244 N SOT146-1 20-Pin plastic SO –40 °C to +85°C 74ABT2244 D 74ABT2244 D SOT163-1 20-Pin Plastic SSOP Type II –40 °C to +85°C 74ABT2244 DB 74ABT2244 DB SOT339-1 20-Pin Plastic TSSOP Type I –40 °C to +85°C 74ABT2244 PW 7ABT2244PW 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 2Y3 1Y3 GND 2A2 1Y2 2A1 1Y1 2A0 1Y0 2OE VCC 2A3 SA00148 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 |
Nº de peça semelhante - 74ABT2244PW |
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Descrição semelhante - 74ABT2244PW |
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