PDF 74LVT16541ADGG Data sheet ( Hoja de datos )

Número de pieza	74LVT16541ADGG
Descripción	3.3V ABT 16-bit buffer/driver 3-State
Fabricantes	NXP Semiconductors
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No Preview Available ! Philips Semiconductors Low Voltage Products 3.3V ABT 16-bit buffer/driver (3-State) Preliminary specification 74LVT16541A FEATURES • 16-bit universal 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 • Live insertion/extraction permitted • Power-up 3-State • No bus current loading when output is tied to 5V bus • Latch-up protection exceeds 500mA per JEDEC JC40.2 Std 17 • ESD protection exceeds 2000V per MIL STD 883 Method 3015 and 200V per Machine Model DESCRIPTION The LVT16541A is a high-performance BiCMOS product designed for VCC operation at 3.3V. This device can be used as two octal buffers or one 16-bit buffer. The device is ideal for driving bus lines. QUICK REFERENCE DATA SYMBOL PARAMETER tPLH tPHL CIN COUT ICCZ Propagation delay nAx to nYx Input capacitance nOEx Output pin capacitance Total supply current CONDITIONS Tamb = 25°C; GND = 0V CL = 50pF; VCC = 3.3V VI = 0V or 3.0V Outputs disabled; VO = 0V or 3.0V Outputs disabled; VCC = 3.6V TYPICAL 4 10 100 UNIT ns pF pF µA ORDERING INFORMATION PACKAGES TEMPERATURE RANGE 48-Pin Plastic Shrink Small Outline (SSOP) Type III –40°C to +85°C 48-Pin Plastic Thin Shrink Small Outline (TSSOP) Type II –40°C to +85°C ORDER CODE 74LVT16541ADL 74LVT16541ADGG DRAWING NUMBER SOT370-1 SOT362-1 LOGIC SYMBOL 1OE0 1 1OE1 48 1A0 47 1A1 46 1A2 44 1A3 43 1A4 41 1A5 40 1A6 38 1A7 37 2OE0 24 1OE1 25 2 1Y0 3 1Y1 5 1Y2 6 1Y3 8 1Y4 9 1Y5 11 1Y6 12 1Y7 2A0 36 2A1 35 2A2 33 2A3 32 2A4 30 29 2A5 2A6 27 2A7 26 LOGIC SYMBOL (IEEE/IEC) 1 13 2Y0 48 & EN1 14 2Y1 16 2Y2 17 2Y3 19 2Y4 20 2Y5 22 2Y6 47 46 44 43 41 40 38 37 2∇ 2 3 5 6 8 9 11 12 23 2Y7 24 25 & EN2 36 2 ∇ 13 35 14 33 16 32 17 30 19 29 20 27 22 26 23 July 1994 1 1 page Philips Semiconductors Low Voltage Products 3.3V ABT 16-bit buffer/driver (3-State) Preliminary specification 74LVT16541A AC WAVEFORMS VM = 1.5V, VIN = GND to 2.7V nAx INPUT nYx OUTPUT 1.5V tPLH 1.5V nOE INPUT 1.5V tPHL 2.7V 0V 1.5V VOH VOL nYx OUTPUT nYx OUTPUT 1.5V tPZL 1.5V tPZH 1.5V 1.5V tPLZ tPHZ 2.7V 0V 3.0V VOL + 0.3V VOL VOH VOH – 0.3V Waveform 1. Waveforms Showing the Input to Output Propagation Delays 0V Waveform 2. Waveforms Showing the 3-State Output Enable and Disable Times TEST CIRCUIT AND WAVEFORMS VCC PULSE GENERATOR VIN RT D.U.T VOUT CL Test Circuit for 3-State Outputs SWITCH POSITION TEST SWITCH tPLZ/tPZL tPLH/tPHL tPHZ/tPZH 6V Open GND 6.0V 90% Open NEGATIVE GND PULSE RL RL POSITIVE PULSE 10% VM 10% tW VM 10% tTHL (tF) tTLH (tR) 90% VM 90% VM tW VM = 1.5V Input Pulse Definition 90% AMP (V) 0V tTLH (tR) tTHL (tF) AMP (V) 10% 0V DEFINITIONS RL = Load resistor; see AC CHARACTERISTICS for value. CL = Load capacitance includes jig and probe capacitance: See AC CHARACTERISTICS for value. RT = Termination resistance should be equal to ZOUT of pulse generators. FAMILY 74LVT16 INPUT PULSE REQUIREMENTS Amplitude Rep. Rate tW tR tF 2.7V ≤10MHz 500ns ≤2.5ns ≤2.5ns July 1994 5 5 Page

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