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74LVTH244APW Datasheet(PDF) 2 Page - NXP Semiconductors |
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74LVTH244APW Datasheet(HTML) 2 Page - NXP Semiconductors |
2 / 10 page Philips Semiconductors Product specification 74LVTH244A 3.3V Octal buffer/line driver (3-State) 2 1998 Oct 02 853-2130 20128 FEATURES • Octal bus interface • 3-State buffers • Output capability: +64mA/-32mA • TTL input and output switching levels • Input and output interface capability to systems at 5V supply • Bus-hold data inputs eliminate the need for external pull-up resistors to hold unused inputs • Power-up 3-State • Live insertion/extraction permitted • No bus current loading when output is tied to 5V bus • Latch-up protection exceeds 500mA per JEDEC Std 17 • ESD protection exceeds 2000V per MIL STD 883 Method 3015 and 200V per Machine Model DESCRIPTION The LVTH244A is a high-performance BiCMOS product designed for VCC operation at 3.3V. This device is an octal buffer that is ideal for driving bus lines. The device features two Output Enables (OE1, OE2), 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 = 3.3V 1.9 2.0 ns CIN Input capacitance VI = 0V or 3.0V 4 pF COUT Output capacitance Outputs disabled; VO = 0V or 3.0V 8 pF ICCZ Total supply current Outputs disabled; VCC = 3.6V 0.13 mA ORDERING INFORMATION PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA DWG NUMBER 20-Pin Plastic SOL –40 °C to +85°C 74LVTH244A D 74LVTH244A D SOT163-1 20-Pin Plastic SSOP Type II –40 °C to +85°C 74LVTH244A DB 74LVTH244A DB SOT339-1 20-Pin Plastic TSSOP Type I –40 °C to +85°C 74LVTH244A PW 7LVTH244APW 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 2Y3 1A1 2Y2 1A2 2Y1 1A3 2Y0 1Y3 GND 2A1 1Y2 2A2 1Y1 2A3 1Y0 2OE VCC 2A0 SV00010 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 |
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