INTEGRATED CIRCUITS 74LVT16244B 3.3V LVT 16-bit buffer/driver (3-State) Prooduct specification Supersedes data of 1998 Feb 19 IC23 Data Handbook 1998 Oct 07 Philips Semiconductors Product specification 3.3V 16-bit buffer/driver (3-State) 74LVT16244B FEATURES DESCRIPTION • 16-bit 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 The 74LVT16244B is a high-performance BiCMOS product designed for VCC operation at 3.3V. 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. 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 Std 17 • ESD protection exceeds 2000V per MIL STD 883 Method 3015 and 200V per Machine Model QUICK REFERENCE DATA SYMBOL CONDITIONS Tamb = 25°C PARAMETER TYPICAL UNIT 1.8 ns tPLH tPHL Propagation delay nAx to nYx CL = 50pF; VCC = 3.3V CIN Input capacitance nOE VI = 0V or 3.0V 3 pF COUT Output capacitance Outputs disabled; VO = 0V or 3.0V 9 pF ICCZ Total supply current Outputs disabled; VCC = 3.6V 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 74LVT16244B DL VT16244B DL SOT370-1 48-Pin Plastic TSSOP Type II –40°C to +85°C 74LVT16244B DGG VT16244B DGG SOT362-1 LOGIC SYMBOL 47 46 44 43 1 41 40 38 37 48 1A0 1Y0 1A1 1Y1 1A2 1Y2 1A3 1Y3 2 36 3 35 5 33 6 1OE 25 2A0 2Y0 2A1 2Y1 2A2 2Y2 2A3 2Y3 2OE 32 8 30 9 29 11 27 12 26 24 3A0 3Y0 3A1 3Y1 3A2 3Y2 3A3 3Y3 13 14 16 17 3OE 4A0 4Y0 4A1 4Y1 4A2 4Y2 4A3 4Y3 19 20 22 23 4OE SA00014 1998 Oct 07 2 853-1778 20144 Philips Semiconductors Product specification 3.3V 16-bit buffer/driver (3-State) 74LVT16244B LOGIC SYMBOL (IEEE/IEC) 1OE 1 EN1 2OE 48 EN2 3OE 25 EN3 4OE 24 EN4 1A1 1A2 1A3 1A4 2A1 2A2 2A3 2A4 3A1 3A2 3A3 3A4 4A1 4A2 4A3 4A4 47 PIN DESCRIPTION 2 1Y1 46 3 1Y2 44 5 1Y3 43 6 1Y4 41 8 2Y1 1 1 1∇ 2∇ 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 40 9 38 11 4, 10, 15, 21 28, 34, 39, 45 GND Ground (0V) 2Y3 37 12 2Y4 7, 18, 31, 42 13 VCC Positive supply voltage 36 3Y1 35 14 3Y2 33 16 3Y3 32 17 3Y4 1 3∇ 2Y2 19 4Y1 29 20 4Y2 27 22 4Y3 26 23 30 1 4∇ FUNCTION TABLE INPUTS H L X Z PIN CONFIGURATION 1OE 1 48 2OE 1Y0 2 47 1A0 1Y1 3 46 1A1 GND 4 45 GND 1Y2 5 44 1A2 1Y3 6 43 1A3 VCC 7 42 VCC 2Y0 8 41 2A0 2Y1 9 40 2A1 GND 10 39 GND 2Y2 11 38 2A2 2Y3 12 37 2A3 3Y0 13 36 3A0 3Y1 14 35 3A1 GND 15 34 GND 3Y2 16 33 3A2 3Y4 17 32 3A3 VCC 18 31 VCC 4Y0 19 30 4A0 4Y1 20 29 4A1 GND 21 28 GND 4Y2 22 27 4A2 4Y3 23 26 4A3 4OE 24 25 3OE OUTPUTS nOE nAx nYx L L L L H H H X Z 4Y4 SA00019 SA00013 1998 Oct 07 PIN NUMBER 3 = High voltage level = Low voltage level = Don’t care = High Impedance “off” state Philips Semiconductors Product specification 3.3V 16-bit buffer/driver (3-State) 74LVT16244B ABSOLUTE MAXIMUM RATINGS1, 2 PARAMETER SYMBOL VCC IIK DC input diode current VI DC input voltage3 IOK DC output diode current VOUT CONDITIONS RATING DC supply voltage VI < 0 DC output voltage3 IOUT O DC output current Tstg Storage temperature range UNIT -0.5 to +4.6 V -50 mA -0.5 to +7.0 V VO < 0 -50 mA Output in Off or High state -0.5 to +7.0 V Output in Low state 128 Output in High state -64 mA -65 to +150 °C NOTES: 1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150°C. 3. The input and output negative voltage ratings may be exceeded if the input and output clamp current ratings are observed. RECOMMENDED OPERATING CONDITIONS SYMBOL VCC LIMITS PARAMETER DC supply voltage UNIT MIN MAX 2.7 3.6 V 0 5.5 V VI Input voltage VIH High-level input voltage VIL Input voltage 0.8 V IOH High-level output current -32 mA Low-level output current 32 Low-level output current; current duty cycle ≤ 50%; f ≥ 1kHz 64 IOL O ∆t/∆v Input transition rise or fall rate; Outputs enabled Tamb Operating free-air temperature range 1998 Oct 07 2.0 -40 4 V mA 10 ns/V +85 °C Philips Semiconductors Product specification 3.3V 16-bit buffer/driver (3-State) 74LVT16244B DC ELECTRICAL CHARACTERISTICS LIMITS SYMBOL PARAMETER TEST CONDITIONS Temp = -40°C to +85°C MIN VIK Input clamp voltage VCC = 2.7V; IIK = -18mA VCC = 2.7 to 3.6V; IOH = -100µA VOH VOL High-level output voltage Low-level output voltage Output off current 2.4 2.5 VCC = 3.0V; IOH = -32mA 2.0 2.3 0.07 0.2 VCC = 2.7V; IOL = 24mA 0.3 0.5 VCC = 3.0V; IOL = 16mA 0.25 0.4 VCC = 3.0V; IOL = 32mA 0.3 0.5 0.4 0.55 0.1 ±1.0 VCC = 0 or 3.6V; VI = 5.5V 0.4 10 VCC = 3.6V; VI = VCC 0.1 1 Control pins Data pins4 VCC = 0V; VI or VO = 0 to 4.5V Bus Hold current A inputs6 VCC = 3V; VI = 2.0V -0.4 -5 0.1 ±100 75 135 -75 -135 UNIT V V VCC = 2.7V; IOL = 100µA VCC = 3V; VI = 0.8V IHOLD -1.2 VCC = 2.7V; IOH = -8mA VCC = 3.6V; VI = 0 IOFF -0.85 VCC VCC = 3.6V; VI = VCC or GND Input leakage current MAX VCC–0.2 VCC = 3.0V; IOL = 64mA II TYP1 V µA µA µA ±500 VCC = 0V to 3.6V; VCC = 3.6V Current into an output in the High state when VO > VCC VO = 5.5V; VCC = 3.0V 50 125 µA Power up/down 3-State output current3 VCC ≤ 1.2V; VO = 0.5V to VCC; VI = GND or VCC OE/OE = Don’t care 1 ±100 µA IOZH 3-State output High current VCC = 3.6V; VO = 3.0V; VI = VIL or VIH 0.5 5 µA IOZL 3-State output Low current VCC = 3.6V; VO = 0.5V; VI = VIL or VIH 0.5 -5 µA VCC = 3.6V; Outputs High, VI = GND or VCC, IO = 0 0.07 0.12 IEX IPU/PD ICCH ICCL Quiescent supply current ICCZ ∆ICC Additional supply current per input pin2 VCC = 3.6V; Outputs Low, VI = GND or VCC, IO = 0 4.0 6.0 VCC = 3.6V; Outputs Disabled; VI = GND or VCC, IO = 05 0.07 0.12 VCC = 3V to 3.6V; One input at VCC-0.6V, Other inputs at VCC or GND 0.1 0.2 mA mA NOTES: 1. All typical values are at VCC = 3.3V and Tamb = 25°C. 2. This is the increase in supply current for each input at the specified voltage level other than VCC or GND 3. This parameter is valid for any VCC between 0V and 1.2V with a transition time of up to 10msec. From VCC = 1.2V to VCC = 3.3V ± 0.3V a transition time of 100µsec is permitted. This parameter is valid for Tamb = 25°C only. 4. Unused pins at VCC or GND. 5. ICCZ is measured with outputs pulled to VCC or GND. 6. This is the bus hold overdrive current required to force the input to the opposite logic state. AC CHARACTERISTICS GND = 0V; tR = tF = 2.5ns; CL = 50pF; RL = 500Ω; Tamb = -40°C to +85°C. LIMITS SYMBOL PARAMETER VCC = 3.3V ±0.3V VCC = 2.7V MIN TYP1 MAX MAX WAVEFORM UNIT tPLH tPHL Propagation delay nAx to nYx 1 0.5 0.5 1.8 1.7 3.2 3.2 4.0 4.0 ns tPZH tPZL Output enable time to High and Low level 2 1.0 1.0 2.3 2.1 4.0 4.0 5.0 5.3 ns 2 1.0 1.0 3.2 2.9 4.5 4.0 5.0 4.4 ns tPHZ Output disable time tPLZ from High and Low Level NOTE: 1. All typical values are at VCC = 3.3V and Tamb = 25°C. 1998 Oct 07 5 Philips Semiconductors Product specification 3.3V 16-bit buffer/driver (3-State) 74LVT16244B AC WAVEFORMS VM = 1.5V, VIN = GND to 3.0V 2.7V nOE INPUT VM VM 2.7V 0V nAx INPUT VM tPZL VM tPLZ 3.5V 0V tPLH nYx OUTPUT tPHL VM VOL + 0.3V VOH VOL tPHZ tPZH VM VM nYx OUTPUT VOH VOH – 0.3V nYx OUTPUT VOL VM 0V SW00008 Waveform 1. SW00009 Input (nAx) to Output (nYx) Propagation Delays Waveform 2. 3-State Output Enable and Disable Times TEST CIRCUIT AND WAVEFORMS 6V VCC OPEN VIN VOUT PULSE GENERATOR tW 90% RL GND 10% 10% 0V tTHL (tF) CL tTLH (tR) tTLH (tR) RL tTHL (tF) 90% POSITIVE PULSE Test Circuit for 3-State Outputs SWITCH tPHZ/tPZH GND tPLZ/tPZL 6V tPLH/tPHL open VM VM 10% tW 0V VM = 1.5V Input Pulse Definition INPUT PULSE REQUIREMENTS DEFINITIONS FAMILY RL = Load resistor; see AC CHARACTERISTICS for value. CL = Load capacitance includes jig and probe capacitance; see AC CHARACTERISTICS for value. AMP (V) 90% 10% SWITCH POSITION TEST AMP (V) VM VM NEGATIVE PULSE D.U.T. RT 90% 74LVT16 Amplitude Rep. Rate tW tR 2.7V ≤10MHz 500ns ≤2.5ns tF ≤2.5ns RT = Termination resistance should be equal to ZOUT of pulse generators. SW00003 1998 Oct 07 6 Philips Semiconductors Low Voltage Products Product specification 3.3V LVT 16-bit buffer/driver (3-State) 74LVT16244B SSOP48: plastic shrink small outline package; 48 leads; body width 7.5 mm 1998 Oct 07 7 SOT370-1 Philips Semiconductors Low Voltage Products Product specification 3.3V LVT 16-bit buffer/driver (3-State) 74LVT16244B TSSOP48: plastic thin shrink small outline package; 48 leads; body width 6.1mm 1998 Oct 07 8 SOT362-1 Philips Semiconductors Low Voltage Products Product specification 3.3V LVT 16-bit buffer/driver (3-State) 74LVT16244B NOTES 1998 Oct 07 9 Philips Semiconductors Product specification 3.3V LVT 16-bit buffer/driver (3-State) 74LVT16244B Data sheet status Data sheet status Product status Definition [1] Objective specification Development This data sheet contains the design target or goal specifications for product development. Specification may change in any manner without notice. Preliminary specification Qualification This data sheet contains preliminary data, and supplementary data will be published at a later date. Philips Semiconductors reserves the right to make chages at any time without notice in order to improve design and supply the best possible product. Product specification Production This data sheet contains final specifications. Philips Semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. [1] Please consult the most recently issued datasheet before initiating or completing a design. Definitions Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For detailed information see the relevant data sheet or data handbook. Limiting values definition — Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or modification. Disclaimers Life support — These products are not designed for use in life support appliances, devices or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application. Right to make changes — Philips Semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless otherwise specified. Copyright Philips Electronics North America Corporation 1998 All rights reserved. Printed in U.S.A. Philips Semiconductors 811 East Arques Avenue P.O. Box 3409 Sunnyvale, California 94088–3409 Telephone 800-234-7381 print code Document order number: yyyy mmm dd 10 Date of release: 05-96 9397-750-04706