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74ALVT162244 Datasheet(PDF) 2 Page - NXP Semiconductors |
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74ALVT162244 Datasheet(HTML) 2 Page - NXP Semiconductors |
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Philips Semiconductors Product specification 74ALVT162244 2.5V/3.3V 16-bit buffer/driver with 30 Ω termination resistors (3-State) 2 1998 Oct 07 853-1841 20144 FEATURES • 16-bit bus interface • 3-State buffers • 5V I/O compatibile • Output capability: +12mA/-12mA • 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 • Live insertion/extraction permitted • Outputs include series resistance of 30Ω making external terminating resistors unnecessary • Power-up 3-State • 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 74ALVT162244 is a high-performance BiCMOS product designed for VCC operation at 2.5V or 3.3V with I/O compatibility up to 5V. The 74ALVT162244 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. This device is a 16-bit buffer and line driver featuring non-inverting 3-State bus outputs. The device can be used as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS TYPICAL UNIT SYMBOL PARAMETER Tamb = 25°C 2.5V 3.3V UNIT tPLH tPHL Propagation delay nAx to nYx CL = 50pF 2.7 2.3 2.2 2.2 ns CIN Input capacitance DIR, OE VI = 0V or VCC 3 3 pF COut Output capacitance VI/O = 0V or VCC 9 9 pF ICCZ Total supply current Outputs disabled 40 70 µA ORDERING INFORMATION PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA DWG NUMBER 48-Pin Plastic SSOP Type III –40 °C to +85°C 74ALVT162244 DL AV162244 DL SOT370-1 48-Pin Plastic TSSOP Type II –40 °C to +85°C 74ALVT162244 DGG AV162244 DGG SOT362-1 LOGIC SYMBOL 1OE 1 1A0 47 1A1 46 1A2 44 1A3 43 2OE 48 2A0 41 2A1 2 40 2A2 38 3 2A3 37 5 6 1Y0 1Y1 1Y2 1Y3 2Y0 2Y1 2Y2 2Y3 8 9 11 12 3OE 25 3A0 36 3A1 35 3A2 33 3A3 32 4OE 24 4A0 30 4A1 13 29 4A2 27 14 4A3 26 16 17 3Y0 3Y1 3Y2 3Y3 4Y0 4Y1 4Y2 4Y3 19 20 22 23 SA00014 PIN DESCRIPTION PIN NUMBER SYMBOL NAME AND FUNCTION 47, 46, 44, 43 41, 40, 38, 37 36, 35, 33, 32 30, 29, 27, 26 1A0 - 1A3, 2A0 - 2A3, 3A0 - 3A3, 4A0 - 4A3 Data inputs 2, 3, 5, 6 8, 9, 11, 12 13, 14, 16, 17 19, 20, 22, 23 1Y0 - 1Y3, 2Y0 - 2Y3, 3Y0 - 3Y3, 4Y0 - 4Y3 Data outputs 1, 48 25, 24 1OE, 2OE, 3OE, 4OE Output enables 4, 10, 15, 21 28, 34, 39, 45 GND Ground (0V) 7, 18, 31, 42 VCC Positive supply voltage |
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