SN74LVCZ244A OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCES274H – JUNE 1999 – REVISED AUGUST 2003 D D D D D D D D DB, DW, N, NS, OR PW PACKAGE (TOP VIEW) Operates From 2.7 V to 3.6 V Inputs Accept Voltages to 5.5 V Max tpd of 5.9 ns at 3.3 V Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C Typical VOHV (Output VOH Undershoot) >2 V at VCC = 3.3 V, TA = 25°C Ioff and Power-Up 3-State Support Hot Insertion Supports Mixed-Mode Signal Operation on All Ports (5-V Input/Output Voltage With 3.3-V VCC) Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II 1OE 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 description/ordering information This octal buffer/line driver is designed for 2.7-V to 3.6-V VCC operation. The SN74LVCZ244A is organized as two 4-bit line drivers with separate output-enable (OE) inputs. When OE is low, the device passes data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state. Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of this device as a translator in a mixed 3.3-V/5-V system environment. When VCC is between 0 and 1.5 V, the device is in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 1.5 V, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. This device is fully specified for hot-insertion applications using Ioff and power-up 3-state. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. The power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down, which prevents driver conflict. ORDERING INFORMATION PACKAGE† TA PDIP – N TOP-SIDE MARKING Tube of 20 SN74LVCZ244AN Tube of 25 SN74LVCZ244ADW Reel of 2000 SN74LVCZ244ADWR SOP – NS Reel of 2000 SN74LVCZ244ANSR LVCZ244A SSOP – DB Reel of 2000 SN74LVCZ244ADBR CV244A Tube of 70 SN74LVCZ244APW Reel of 2000 SN74LVCZ244APWR Reel of 250 SN74LVCZ244APWT SOIC – DW –40 C to 85 C –40°C 85°C ORDERABLE PART NUMBER TSSOP – PW SN74LVCZ244AN LVCZ244A CV244A † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Copyright 2003, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 SN74LVCZ244A OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCES274H – JUNE 1999 – REVISED AUGUST 2003 FUNCTION TABLE (each buffer) INPUTS OE A OUTPUT Y L H H L L L H X Z logic diagram (positive logic) 1OE 1A1 1A2 1A3 1A4 1 2OE 2 18 4 16 6 14 8 12 1Y1 2A1 1Y2 2A2 1Y3 2A3 1Y4 2A4 19 11 9 13 7 15 5 17 3 2Y1 2Y2 2Y3 2Y4 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 6.5 V Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 6.5 V Voltage range applied to any output in the high-impedance or power-off state, VO (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 6.5 V Voltage range applied to any output in the high or low state, VO (see Notes 1 and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to VCC + 0.5 V Input clamp current, IIK (VI < 0 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –50 mA Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –50 mA Continuous output current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±100 mA Package thermal impedance, θJA (see Note 3): DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70°C/W DW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58°C/W N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69°C/W NS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60°C/W PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83°C/W Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C † Stresses beyond those listed under “absolute maximum ratings” 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. NOTES: 1. The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. The value of VCC is provided in the recommended operating conditions table. 3. The package thermal impedance is calculated in accordance with JESD 51-7. 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 SN74LVCZ244A OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCES274H – JUNE 1999 – REVISED AUGUST 2003 recommended operating conditions (see Note 4) VCC VIH Supply voltage VIL VI Low-level input voltage High-level input voltage VCC = 2.7 V to 3.6 V VCC = 2.7 V to 3.6 V MIN MAX 2.7 3.6 2 Input voltage UNIT V V 0.8 V 0 5.5 V High or low state 0 3-state 0 VCC 5.5 V VO Output voltage IOH High-level output current VCC = 2.7 V VCC = 3 V –12 IOL Low-level output current VCC = 2.7 V VCC = 3 V 12 ∆t/∆v Input transition rise or fall rate ∆t/∆VCC TA Power-up ramp rate 150 Operating free-air temperature –40 –24 24 6 mA mA ns/V µs/V 85 °C NOTE 4: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC 2.7 V to 3.6 V IOH = –100 µA VOH 2.7 V IOH = –12 mA IOH = –24 mA IOL = 100 µA VOL MIN TYP† MAX VCC–0.2 2.2 3V 2.4 3V 2.2 UNIT V 2.7 V to 3.6 V 0.2 V IOL = 12 mA IOL = 24 mA 2.7 V 0.4 3V 0.55 II VI = 0 to 5.5 V 3.6 V ±5 µA Ioff VO = 0 to 5.5 V 0 ±5 µA IOZ VO = 0 to 5.5 V 3.6 V ±5 µA IOZPU VO = 0.5 V to 2.5 V, OE = don’t care 0 to 1.5 V ±5 µA IOZPD VO = 0.5 V to 2.5 V, VI = VCC or GND 3.6 V ≤ VI ≤ 5.5 V‡ OE = don’t care 1.5 V to 0 ±5 µA One input at VCC – 0.6 V, Other inputs at VCC or GND ICC ∆ICC Ci IO = 0 3.6 V 100 2.7 V to 3.6 V VI = VCC or GND VO = VCC or GND Co † All typical values are at VCC = 3.3 V, TA = 25°C. ‡ This applies in the disabled state only. POST OFFICE BOX 655303 100 • DALLAS, TEXAS 75265 100 µA µA 3.3 V 3.5 pF 3.3 V 5.5 pF 3 SN74LVCZ244A OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCES274H – JUNE 1999 – REVISED AUGUST 2003 switching characteristics over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) FROM (INPUT) TO (OUTPUT) tpd A or B ten tdis PARAMETER VCC = 2.7 V MIN VCC = 3.3 V ± 0.3 V UNIT MAX MIN MAX B or A 6.9 1.5 5.9 ns OE A or B 8.6 1.5 7.6 ns OE A or B 6.8 1.5 6.5 ns operating characteristics, TA = 25°C TEST CONDITIONS PARAMETER Cpd 4 Outputs enabled Power dissipation capacitance per buffer/driver POST OFFICE BOX 655303 Outputs disabled • DALLAS, TEXAS 75265 VCC = 3.3 V TYP UNIT 40 f = 10 MHz 3 pF SN74LVCZ244A OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCES274H – JUNE 1999 – REVISED AUGUST 2003 " PARAMETER MEASUREMENT INFORMATION VCC = 2.7 V AND 3.3 V 0.3 V 2 × VCC S1 500 Ω From Output Under Test Open GND CL = 30 pF (see Note A) 500 Ω TEST S1 tpd tPLZ/tPZL tPHZ/tPZH Open 2 × VCC GND tw LOAD CIRCUIT VCC VCC Timing Input VCC/2 Input VCC/2 0V VCC/2 0V tsu VOLTAGE WAVEFORMS PULSE DURATION th VCC Data Input VCC/2 VCC/2 0V VOLTAGE WAVEFORMS SETUP AND HOLD TIMES VCC Output Control (low-level enabling) VCC/2 VCC/2 0V tPZL VCC Input VCC/2 VCC/2 0V tPHL tPLH VOH Output VCC/2 VCC/2 VOL VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES Output Waveform 1 S1 at 2 × VCC (see Note B) tPLZ VCC VCC/2 VOL + 0.3 V tPZH VOL tPHZ Output Waveform 2 S1 at GND (see Note B) VCC/2 VOH – 0.3 V VOH 0V VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES NOTES: A. CL includes probe and jig capacitance. B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. C. All input pulses are supplied by generators having the following characteristics: PRR 10 MHz, ZO = 50 Ω, tr 2 ns, tf 2 ns. D. The outputs are measured one at a time with one transition per measurement. E. tPLZ and tPHZ are the same as tdis. F. tPZL and tPZH are the same as ten. G. tPLH and tPHL are the same as tpd. H. All parameters and waveforms are not applicable to all devices. v v v Figure 1. Load Circuit and Voltage Waveforms POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5 PACKAGE OPTION ADDENDUM www.ti.com 9-May-2007 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty SN74LVCZ244ADBR ACTIVE SSOP DB 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LVCZ244ADBRE4 ACTIVE SSOP DB 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LVCZ244ADW ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LVCZ244ADWE4 ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LVCZ244ADWG4 ACTIVE SOIC DW 20 25 TBD Call TI SN74LVCZ244ADWR ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LVCZ244ADWRE4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LVCZ244ADWRG4 ACTIVE SOIC DW 20 2000 TBD Call TI SN74LVCZ244AN ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74LVCZ244ANE4 ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74LVCZ244ANSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LVCZ244ANSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LVCZ244APW ACTIVE TSSOP PW 20 70 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LVCZ244APWE4 ACTIVE TSSOP PW 20 70 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LVCZ244APWR ACTIVE TSSOP PW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LVCZ244APWRE4 ACTIVE TSSOP PW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LVCZ244APWT ACTIVE TSSOP PW 20 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LVCZ244APWTE4 ACTIVE TSSOP PW 20 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Lead/Ball Finish MSL Peak Temp (3) Call TI Call TI (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Addendum-Page 1 PACKAGE OPTION ADDENDUM www.ti.com 9-May-2007 Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis. Addendum-Page 2 PACKAGE MATERIALS INFORMATION www.ti.com 27-Apr-2007 TAPE AND REEL INFORMATION Pack Materials-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com Device 27-Apr-2007 Package Pins Site Reel Diameter (mm) Reel Width (mm) A0 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant SN74LVCZ244ADBR DB 20 MLA 330 16 8.2 7.5 2.5 12 16 Q1 SN74LVCZ244ADWR DW 20 MLA 330 24 10.8 13.0 2.7 12 24 Q1 SN74LVCZ244ANSR NS 20 MLA 330 24 8.2 13.0 2.5 12 24 Q1 SN74LVCZ244APWR PW 20 MLA 330 16 6.95 7.1 1.6 8 16 Q1 TAPE AND REEL BOX INFORMATION Device Package Pins Site Length (mm) Width (mm) Height (mm) SN74LVCZ244ADBR DB 20 MLA 333.2 333.2 28.58 SN74LVCZ244ADWR DW 20 MLA 333.2 333.2 31.75 SN74LVCZ244ANSR NS 20 MLA 333.2 333.2 31.75 SN74LVCZ244APWR PW 20 MLA 333.2 333.2 28.58 Pack Materials-Page 2 PACKAGE MATERIALS INFORMATION www.ti.com 27-Apr-2007 Pack Materials-Page 3 MECHANICAL DATA MSSO002E – JANUARY 1995 – REVISED DECEMBER 2001 DB (R-PDSO-G**) PLASTIC SMALL-OUTLINE 28 PINS SHOWN 0,38 0,22 0,65 28 0,15 M 15 0,25 0,09 8,20 7,40 5,60 5,00 Gage Plane 1 14 0,25 A 0°–ā8° 0,95 0,55 Seating Plane 2,00 MAX 0,10 0,05 MIN PINS ** 14 16 20 24 28 30 38 A MAX 6,50 6,50 7,50 8,50 10,50 10,50 12,90 A MIN 5,90 5,90 6,90 7,90 9,90 9,90 12,30 DIM 4040065 /E 12/01 NOTES: A. B. C. D. All linear dimensions are in millimeters. This drawing is subject to change without notice. Body dimensions do not include mold flash or protrusion not to exceed 0,15. Falls within JEDEC MO-150 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 MECHANICAL DATA MTSS001C – JANUARY 1995 – REVISED FEBRUARY 1999 PW (R-PDSO-G**) PLASTIC SMALL-OUTLINE PACKAGE 14 PINS SHOWN 0,30 0,19 0,65 14 0,10 M 8 0,15 NOM 4,50 4,30 6,60 6,20 Gage Plane 0,25 1 7 0°– 8° A 0,75 0,50 Seating Plane 0,15 0,05 1,20 MAX PINS ** 0,10 8 14 16 20 24 28 A MAX 3,10 5,10 5,10 6,60 7,90 9,80 A MIN 2,90 4,90 4,90 6,40 7,70 9,60 DIM 4040064/F 01/97 NOTES: A. B. C. D. All linear dimensions are in millimeters. This drawing is subject to change without notice. Body dimensions do not include mold flash or protrusion not to exceed 0,15. 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