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74ABT640N Datasheet(PDF) 2 Page - NXP Semiconductors |
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74ABT640N Datasheet(HTML) 2 Page - NXP Semiconductors |
2 / 10 page Philips Semiconductors Product specification 74ABT640 Octal transceiver with direction pin, inverting (3-State) 2 1998 Jan 16 853–1612 18864 FEATURES • Octal bidirectional bus interface • 3-State buffers • Power-up 3-State • Live insertion/extraction permitted • 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 DESCRIPTION The 74ABT640 high-performance BiCMOS device combines low static and dynamic power dissipation with high speed and high output drive. The 74ABT640 device is an octal transceiver featuring inverting 3-State bus compatible outputs in both send and receive directions. The control function implementation minimizes external timing requirements. The device features an Output Enable (OE) input for easy cascading and a Direction (DIR) input for direction control. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS Tamb = 25°C; GND = 0V TYPICAL UNIT tPLH tPHL Propagation delay An to Bn or Bn to An CL = 50pF; VCC = 5V 3.1 ns CIN Input capacitance DIR, OE VI = 0V or VCC 4 pF CI/O I/O 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 74ABT640 N 74ABT640 N SOT146-1 20-Pin plastic SO –40 °C to +85°C 74ABT640 D 74ABT640 D SOT163-1 20-Pin Plastic SSOP Type II –40 °C to +85°C 74ABT640 DB 74ABT640 DB SOT339-1 20-Pin Plastic TSSOP Type I –40 °C to +85°C 74ABT640 PW 74ABT640PW 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 DIR A0 A1 A2 A3 A4 A5 A6 A7 GND VCC OE B0 B1 B2 B3 B4 B5 B6 B7 SA00208 PIN DESCRIPTION PIN NUMBER SYMBOL NAME AND FUNCTION 1 DIR Direction control input 2, 3, 4, 5, 6, 7, 8, 9 A0 – A7 Data inputs/outputs (A side) 18, 17, 16, 15, 14, 13, 12, 11 B0 – B7 Data inputs/outputs (B side) 19 OE Output enable input, B side to A side (active-Low) 10 GND Ground (0V) 20 VCC Positive supply voltage |
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