INTEGRATED CIRCUITS 74LVC2952A Octal registered tranceiver with 5-volt tolerant inputs/ouputs (3-State) Product specification 1998 Jul 29 Philips Semiconductors Product specification Octal registered tranceiver with 5-volt tolerant inputs/ouputs (3-State) FEATURES 74LVC2952A DESCRIPTION • 5-volt tolerant inputs/outputs, for interfacing with 5-volt logic • Wide supply voltage range of 1.2 V to 3.6 V • In accordance with the JEDEC standard no. 8-1 A • Inputs accept voltages up to 5.5 V • CMOS low power consumption • Flow-through pin-out architecture • 3-State outputs • Direct interface with TTL levels • Integrated 30 damping resistor The 74LVC2952A is a low-power, low-voltage, Si-gate CMOS device and superior to most advanced CMOS compatible TTL families. The 74LVC2952A is an octal non-inverting registered transceiver. Two 8-bit back to back registers store data flowing in both directions between two bidirectional busses. Data applied to the inputs is entered and stored on the rising edge of the clock (CPnn) provided that the clock enable CEnn) is LOW. The data is then present at the 3-State output buffers, but is only accessible when the output enable input (OEnn) is LOW. Data flow from A inputs to B outputs is the same as for B inputs to A outputs. The 74LVC2952A is identical to the 74LVC2953A but has non-inverting outputs. QUICK REFERENCE DATA GND = 0 V; Tamb = 25°C; tr =tf ≤ 2.5 ns PARAMETER SYMBOL CONDITIONS TYPICAL UNIT 4.3 ns 150 MHz 5 pF 10 pF 31 pF CL = 50 pF; VCC = 3.3 V tPHL/tPLH Propagation delay CPnn to An, Bn fmax Maximum clock frequency CI Input capacitance CI/O Input/output capacitance CPD Power dissipation capacitance per buffer VCC = 3.3V1 NOTE: 1 CPD is used to determine the dynamic power dissipation (PD in µW) PD = CPD × VCC2 × fi (CL × VCC2 × fo) where: fi = input frequency in MHz; CL = output load capacity in pF; fo = output frequency in MHz; VCC = supply voltage in V; (CL × VCC2 × fo) = sum of the outputs. ORDERING INFORMATION PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA PKG. DWG. # 24-Pin Plastic SO –40°C to +125°C 74LVC2952A D 74LVC2952A D SOT137-1 24-Pin Plastic SSOP Type II –40°C to +125°C 74LVC2952A DB 74LVC2952A DB SOT340-1 24-Pin Plastic TSSOP Type I –40°C to +125°C 74LVC2952A PW 74LVC2952APW DH SOT355-1 PIN CONFIGURATION 1998 Jul 29 PIN DESCRIPTION PIN NUMBER SYMBOL FUNCTION B7 1 24 VCC B6 2 23 A7 8, 7, 6, 5, 4, 3, 2, 1, B0 to B7 B data inputs/outputs B5 3 22 A6 12 GND Ground (0 V) B4 4 21 A5 B3 5 20 A4 9, 15 OEAB,OEBA Output enable inputs (active LOW) B2 6 19 A3 B1 7 18 A2 10, 14 CPAB, CPBA Clock inputs 11, 13, CEAB, CEBA Clock enable inputs 16, 17, 18, 19, 20, 21, 22, 23 A0 to A7 A data inputs/outputs 24 VCC Positive supply voltage B0 8 17 A1 OEAB 9 16 A0 CPAB 10 15 OEBA CEAB 11 14 CPBA GND 12 13 CEBA SV01716 2 853-1993 19803 Philips Semiconductors Product specification Octal registered tranceiver with 5-volt tolerant inputs/ouputs (3-State) LOGIC SYMBOL (IEEE/IEC) 74LVC2952A FUNCTIONAL DIAGRAM 9 10 11 CP AB OE AB CE AB CP BA 14 CE BA 13 16 A0 B0 8 17 A1 B1 7 18 A2 B2 6 19 A3 B3 5 20 A4 B4 4 21 A5 B5 3 22 23 A6 B6 A7 B7 OE BA 2 1 15 SV01717 10 13 11 15 9 16 1 C5 2 C6 G1 G2 EN3 EN4 3 1 5D 6D 1 4 8 17 7 18 6 19 5 20 4 21 3 22 2 23 1 SV01718 1998 Jul 29 A0 B0 8 17 A1 B1 7 18 A2 B2 6 19 A3 B3 5 20 A4 B4 4 21 A5 B5 3 22 A6 B6 2 23 A7 B7 1 9 OE AB 15 OE BA 11 CE AB 13 CE BA 10 CP AB 14 CP BA SV01719 LOGIC SYMBOL 14 16 3 Philips Semiconductors Product specification Octal registered tranceiver with 5-volt tolerant inputs/ouputs (3-State) FUNCTION TABLE for register An or Bn INPUTS INTERNAL Q 74LVC2952A FUNCTION TABLE for output enable OPERATING MODE INPUTS An or Bn CPnn CEnn X X H NC Hold data L ↑ L L Load data H ↑ L H Load data INTERNAL Q An or Bn OUTPUTS OPERATING MODE H X Z Disable outputs L L L Enable outputs L H H Enable outputs OEnn NOTES: H = HIGH voltage level L = LOW voltage level X = don’t care Z = ↑ = NC = high impedance OFF-state Low-to-High transition no change RECOMMENDED OPERATING CONDITIONS SYMBOL VCC VI VI/O Tamb tr, tf PARAMETER CONDITIONS LIMITS UNIT MIN MAX DC supply voltage (for max. speed performance) 2.7 3.6 DC supply voltage (for low-voltage applications) 1.2 3.6 DC input voltage range 0 5.5 DC output voltage range; output HIGH or LOW state 0 VCC DC input voltage range; output 3-State 0 5.5 –40 +85 °C 0 0 20 10 ns/V Operating free-air temperature range VCC = 1.2 to 2.7V VCC = 2.7 to 3.6V Input rise and fall times V V V ABSOLUTE MAXIMUM RATINGS1 In accordance with the Absolute Maximum Rating System (IEC 134). Voltages are referenced to GND (ground = 0 V). SYMBOL VCC PARAMETER CONDITIONS DC supply voltage RATING UNIT –0.5 to +6.5 V IIK DC input diode current VI t 0 –50 mA VI DC input voltage Note 2 –0.5 to +6.5 V IOK DC output diode current VO uVCC or VO t 0 "50 mA DC output voltage; output HIGH or LOW Note 2 –0.5 to VCC +0.5 DC output voltage; output 3-State Note 2 –0.5 to 6.5 DC output source or sink current VO = 0 to VCC VI/O IO IGND, ICC Tstg PTOT DC VCC or GND current Storage temperature range Power dissipation per package – plastic mini-pack (SO) – plastic shrink mini-pack (SSOP and TSSOP) above +70°C derate linearly with 8 mW/K above +60°C derate linearly with 5.5 mW/K V "50 mA "100 mA –65 to +150 °C 500 500 mW 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 input and output voltage ratings may be exceeded if the input and output current ratings are observed. 1998 Jul 29 4 Philips Semiconductors Product specification Octal registered tranceiver with 5-volt tolerant inputs/ouputs (3-State) 74LVC2952A DC ELECTRICAL CHARACTERISTICS Over recommended operating conditions voltages are referenced to GND (ground = 0V) LIMITS SYMBOL PARAMETER TEST CONDITIONS Temp = -40°C to +85°C MIN VIH HIGH level Input voltage VIL LOW level Input voltage VOH O VOL II VCC = 1.2V VCC VCC = 2.7 to 3.6V 2.0 V GND V VCC = 2.7 to 3.6V HIGH level output voltage LOW level output voltage UNIT MAX VCC = 1.2V 0.8 VCC = 2.7V; VI = VIH or VIL; IO = –12mA VCC*0.5 0V; VI = VIH or VIL; IO = –100µA 100µA VCC = 3 3.0V; 02 VCC*0.2 VCC = 3.0V; VI = VIH or VIL; IO = –18mA VCC*0.6 VCC = 3.0V; VI = VIH or VIL; IO = –24mA VCC*0.8 V VCC V VCC = 2.7V; VI = VIH or VIL; IO = 12mA 0.40 VCC = 3.0V; VI = VIH or VIL; IO = 100µA 0.20 VCC = 3.0V; VI = VIH or VIL; IO = 24mA 0.55 Input leakage current VCC = 3.6V; VI = 5.5V or GND IIHZ/IILZ Input current for common I/O pins VCC = 3.6V; VI = 5.5V or GND IOZ 3-State output OFF-state current VCC = 3.6V; VI = VIH or VIL; VO = 5.5V or GND Ioff Power off leakage supply VCC = 0.0V; VI or VO = 5.5V ICC Quiescent supply current VCC = 3.6V; VI = VCC or GND; IO = 0 Additional quiescent supply current per input pin VCC = 2.7V to 3.6V; VI = VCC –0.6V; IO = 0 ∆ICC TYP1 Not for I/O pins V "0.1 "5 µA "0.1 "15 µA 0.1 "5 µA "10 µA 0.1 10 µA 5 500 µA VCC = 1.2V UNIT NOTES: 1 All typical values are at VCC = 3.3V and Tamb = 25°C. AC CHARACTERISTICS GND = 0 V; tr = tf v 2.5 ns; CL = 50 pF; RL = 500 LIMITS SYMBOL PARAMETER WAVEFORM VCC = 3.3V ±0.3V VCC = 2.7V MIN TYP MAX MIN TYP MAX TYP tPHL/tPLH Propagation delay CPBA, CPAB to An, Bn Figures 1, 4 1.5 4.1 7.6 1.5 4.4 8.6 16 ns tPZH/tPZL 3-state output enable time OEBA, OEAB, to An, Bn Figures 3, 4 1.5 3.9 7.6 1.5 4.7 8.6 16 ns tPHZ/tPLZ 3-state output disable time OEBA, OEAB, to An, Bn Figures 3, 4 1.5 3.4 6.6 1.5 3.8 7.6 8 ns tw CPAB, CPBA pulse width, HIGH or LOW Figure 1 3.0 1.5 – 3.0 1.5 – – ns tsu Set-up time HIGH or LOW An, Bn to CPAB, CPBA Figure 2 2.0 –0.5 – 2.0 – – – ns tsu Set-up time, HIGH or LOW CEAB, CEBA to CPAB, CPBA Figure 2 2.0 0.5 – 2.0 – – – ns th Hold time An, Bn to CPAB, CPBA Figure 2 1.5 0.6 – 1.5 – – – ns th Hold time CEAB, CEBA to CPAB, CPBA Figure 2 1.5 0 – 1.5 – – – ns Maximum clock pulse frequency Figure 2 100 150 – 80 – – – MHz fmax NOTE: These typical values are at VCC = 3.3V and Tamb = 25°C. 1998 Jul 29 5 Philips Semiconductors Product specification Octal registered tranceiver with 5-volt tolerant inputs/ouputs (3-State) AC WAVEFORMS 74LVC2952A TEST CIRCUIT VM = 0.6 V at VCC = 1.2 V VM = 1.0 V at VCC = 2.0 V VM = 1.5 V at VCC = 3.0 V VOL and VOH are the typical output voltage drop that occur with the 3-State output load. PULSE GENERATOR VI 500Ω VO 1/fmax RT 50pF CL 500Ω VM Test GND tW tPHL tPLH VOH An, Bn OUTPUT S1 VCC VI tPLH/tPHL Open 2.7V VCC tPLZ/tPZL 2 x VCC 2.7V – 3.6V 2.7V tPHZ/tPZH GND SY00003 VM VOL Figure 4. Load circuitry for switching times. SV01720 Figure 1. Clock input (CPBA, CPAB) to output (Bn, An) propagation delays, the clock pulse width and the maximum clock frequency. VI An, Bn, CEnn INPUT VM GND th th tsu tsu VI VM CPXX INPUT GND SV01721 Figure 2. Set-up and hold times for the An, Bn and CEnn inputs. NOTE: The shaded areas indicate when the input is permitted to change for predictable output performance VI CPXX INPUT VM GND tPLZ VCC OUTPUT LOW–to–OFF OFF–to–LOW VOL tPZL VM VY tPZH tPHZ VOH OUTPUT HIGH-to-OFF OFF-to-HIGH GND VX VM outputs enabled outputs disabled outputs enabled SV01722 Figure 3. 3-State enable and disable times. 1998 Jul 29 2 x VCC Open GND D.U.T. VI CPXX INPUT S1 VCC 6 Philips Semiconductors Product specification Octal registered tranceiver with 5-volt tolerant inputs/ouputs (3-State) SO24: plastic small outline package; 24 leads; body width 7.5 mm 1998 Jul 29 7 74LVC2952A SOT137-1 Philips Semiconductors Product specification Octal registered tranceiver with 5-volt tolerant inputs/ouputs (3-State) SSOP24: plastic shrink small outline package; 24 leads; body width 5.3 mm 1998 Jul 29 8 74LVC2952A SOT340-1 Philips Semiconductors Product specification Octal registered tranceiver with 5-volt tolerant inputs/ouputs (3-State) TSSOP24: plastic thin shrink small outline package; 24 leads; body width 4.4 mm 1998 Jul 29 9 74LVC2952A SOT355-1 Philips Semiconductors Product specification Octal registered tranceiver with 5-volt tolerant inputs/ouputs (3-State) NOTES 1998 Jul 29 10 74LVC2952A Philips Semiconductors Product specification Octal registered tranceiver with 5-volt tolerant inputs/ouputs (3-State) 74LVC2952A 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 11 Date of release: 08-98 9397-750-04524