SN54BCT374, SN74BCT374 OCTAL EDGE-TRIGGERED D-TYPE LATCHES WITH 3-STATE OUTPUTS SCBS019C – SEPTEMBER 1988 – REVISED MARCH 2003 D D D Operating Voltage Range of 4.5 V to 5.5 V State-of-the-Art BiCMOS Design Significantly Reduces ICCZ Full Parallel Access for Loading Buffered Control Inputs D 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) SN54BCT374 . . . J OR W PACKAGE SN74BCT374 . . . DW, N, OR NS PACKAGE (TOP VIEW) 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 1D 1Q OE VCC 1 VCC 8Q 8D 7D 7Q 6Q 6D 5D 5Q CLK 2D 2Q 3Q 3D 4D 4 3 2 1 20 19 18 5 17 6 16 7 15 8 14 9 10 11 12 13 8D 7D 7Q 6Q 6D 4Q GND CLK 5Q 5D OE 1Q 1D 2D 2Q 3Q 3D 4D 4Q GND SN54BCT374 . . . FK PACKAGE (TOP VIEW) 8Q D D description/ordering information These 8-bit flip-flops feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. The eight flip-flops of the ’BCT374 devices are edge-triggered D-type flip-flops. On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels that were set up at the data (D) inputs. A buffered output-enable (OE) input can be used to place the eight outputs in either a normal logic state (high or low) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and the increased drive provide the capability to drive bus lines without need for interface or pullup components. The output-enable (OE) input does not affect internal operations of the flip-flop. Old data can be retained or new data can be entered while the outputs are in the high-impedance state. ORDERING INFORMATION PDIP – N 0°C to 70°C –55°C to 125°C ORDERABLE PART NUMBER PACKAGE† TA TOP-SIDE MARKING Tube SN74BCT374N Tube SN74BCT374DW Tape and reel SN74BCT374DWR SOP – NS Tape and reel SN74BCT374NSR BCT374 CDIP – J Tube SNJ54BCT374J SNJ54BCT374J CFP – W Tube SNJ54BCT374W SNJ54BCT374W LCCC – FK Tube SNJ54BCT374FK SOIC – DW SN74BCT374N BCT374 SNJ54BCT374FK † 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. On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 SN54BCT374, SN74BCT374 OCTAL EDGE-TRIGGERED D-TYPE LATCHES WITH 3-STATE OUTPUTS SCBS019C – SEPTEMBER 1988 – REVISED MARCH 2003 description/ordering information (continued) To ensure the high-impedance state during power up or power down, 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. FUNCTION TABLE (each flip-flop) INPUTS OE CLK D OUTPUT Q L ↑ H H L ↑ L L L H or L X Q0 H X X Z logic diagram (positive logic) OE CLK 1 11 C1 1D 3 2 1Q 1D To Seven Other Channels absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V Voltage range applied to any output in the disabled or power-off state, VO . . . . . . . . . . . . . . . . –0.5 V to 5.5 V Voltage range applied to any output in the high state, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to VCC Input clamp current, IIK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30 mA Current into any output in the low state: SN54BCT374 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA SN74BCT374 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 mA Package thermal impedance, θJA (see Note 2): DW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58°C/W N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69°C/W NS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60°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 and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. The package thermal impedance is calculated in accordance with JESD 51-7. 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 SN54BCT374, SN74BCT374 OCTAL EDGE-TRIGGERED D-TYPE LATCHES WITH 3-STATE OUTPUTS SCBS019C – SEPTEMBER 1988 – REVISED MARCH 2003 recommended operating conditions (see Note 3) SN54BCT374 SN74BCT374 MIN NOM MAX MIN NOM MAX 4.5 5 5.5 4.5 5 5.5 UNIT VCC VIH Supply voltage VIL IIK Low-level input voltage 0.8 0.8 V Input clamp current –18 –18 mA IOH IOL High-level output current –2 –15 mA Low-level output current 48 64 mA High-level input voltage 2 2 V V TA Operating free-air temperature –55 125 0 70 °C NOTE 3: 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 VIK VOH SN54BCT374 TYP† MAX TEST CONDITIONS VCC = 4.5 V, VCC = 4.5 V MIN II = –18 mA IOH = –3 mA SN74BCT374 TYP† MAX MIN –1.2 IOH = –12 mA IOH = –15 mA 2.4 3.3 2 3.2 –1.2 2.4 V 3.3 V 2 0.38 UNIT 3.1 VOL VCC = 4 4.5 5V IOL = 48 mA IOL = 64 mA 0.55 II IIH VCC = 5.5 V, VCC = 5.5 V, VI = 5.5 V VI = 2.7 V IIL IOS‡ VCC = 5.5 V, VCC = 5.5 V, VI = 0.5 V VO = 0 IOZH IOZL VCC = 5.5 V, VCC = 5.5 V, VO = 2.7 V VO = 0.5 V –50 µA ICCL ICCH VCC = 5.5 V VCC = 5.5 V 37 60 37 60 mA 2 5 2 5 mA ICCZ Ci VCC = 5.5 V VCC = 5 V, 5 8 5 8 mA 0.42 0.4 mA 20 20 µA –225 –100 50 –50 VI = 2.5 V or 0.5 V VO = 2.5 V or 0.5 V 6 Co VCC = 5 V, 10 † All typical values are at VCC = 5 V, TA = 25°C. ‡ Not more than one output should be tested at a time, and the duration of the test should not exceed one second. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 V 0.4 –0.6 –100 0.55 –0.6 mA –225 mA 50 µA 6 pF 10 pF 3 SN54BCT374, SN74BCT374 OCTAL EDGE-TRIGGERED D-TYPE LATCHES WITH 3-STATE OUTPUTS SCBS019C – SEPTEMBER 1988 – REVISED MARCH 2003 timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) VCC = 5 V, TA = 25°C MIN MAX SN54BCT374 MIN 70 SN74BCT374 MAX MIN UNIT MAX fclock tw Clock frequency 70 70 MHz Pulse duration CLK high 7 8 7 ns tsu Setup time before CLK↑ Data high or low 6.5 6.5 6.5 ns th Hold time after CLK↑ Data high or low 0 0 0 ns switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V, CL = 50 pF, R1 = 500 Ω, R2 = 500 Ω, TA = 25°C VCC = 4.5 V to 5.5 V, CL = 50 pF, R1 = 500 Ω, R2 = 500 Ω, TA = MIN to MAX† ’BCT374 MIN fmax tPLH tPHL tPZH tPZL tPHZ TYP SN54BCT374 MAX 70 CLK Q OE Q MIN SN74BCT374 MAX 70 POST OFFICE BOX 655303 MIN MAX 70 MHz 2 7.2 9.1 2 11.6 2 10.6 2 7.1 8.8 2 10.6 2 10 1 8.3 10.1 1 12.7 1 12.3 1 8.6 10.6 1 13 1 12.7 1 6.8 1 6.8 1 4.7 6.3 1 7.1 OE Q tPLZ 1 4.8 6.3 1 7.5 † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. 4 UNIT • DALLAS, TEXAS 75265 ns ns ns SN54BCT374, SN74BCT374 OCTAL EDGE-TRIGGERED D-TYPE LATCHES WITH 3-STATE OUTPUTS SCBS019C – SEPTEMBER 1988 – REVISED MARCH 2003 PARAMETER MEASUREMENT INFORMATION 7 V (tPZL, tPLZ, O.C.) S1 Open (all others) From Output Under Test Test Point CL (see Note A) R1 From Output Under Test R1 Test Point CL (see Note A) R2 LOAD CIRCUIT FOR TOTEM-POLE OUTPUTS RL = R1 = R2 LOAD CIRCUIT FOR 3-STATE AND OPEN-COLLECTOR OUTPUTS High-Level Pulse (see Note B) 3V Timing Input (see Note B) 3V 1.5 V 1.5 V 0V 1.5 V tw 0V Data Input (see Note B) 3V th tsu Low-Level Pulse 3V 1.5 V 1.5 V 0V 1.5 V 1.5 V VOLTAGE WAVEFORMS PULSE DURATION 0V VOLTAGE WAVEFORMS SETUP AND HOLD TIMES 3V 3V Input (see Note B) 1.5 V 1.5 V 0V tPLH In-Phase Output (see Note D) VOH 1.5 V 1.5 V VOL VOH 1.5 V 1.5 V 0V tPLZ 1.5 V Waveform 1 (see Notes C and D) 3.5 V VOL tPHZ tPLH 1.5 V 1.5 V tPZL tPHL tPHL Out-of-Phase Output (see Note D) Output Control (low-level enable) 0.3 V tPZH Waveform 2 (see Notes C and D) VOL VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES (see Note D) VOH 1.5 V 0.3 V 0V VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES, 3-STATE OUTPUTS NOTES: A. CL includes probe and jig capacitance. B. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, tr = tf ≤ 2.5 ns, duty cycle = 50%. C. 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. D. The outputs are measured one at a time with one transition per measurement. E. When measuring propagation delay times of 3-state outputs, switch S1 is open. F. All parameters and waveforms are not applicable to all devices. Figure 1. Load Circuit and Voltage Waveforms POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5 PACKAGE OPTION ADDENDUM www.ti.com 17-Aug-2007 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty 5962-9051601M2A ACTIVE LCCC FK 20 1 TBD 5962-9051601MRA ACTIVE CDIP J 20 1 TBD 1 Lead/Ball Finish MSL Peak Temp (3) POST-PLATE N / A for Pkg Type Call TI N / A for Pkg Type N / A for Pkg Type 5962-9051601MSA ACTIVE CFP W 20 TBD A42 SN74BCT374DBLE OBSOLETE SSOP DB 20 TBD Call TI Call TI SN74BCT374DBR OBSOLETE SSOP DB 20 TBD Call TI Call TI SN74BCT374DW ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT374DWE4 ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT374DWG4 ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT374DWR ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT374DWRG4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT374N ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74BCT374NE4 ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74BCT374NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT374NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT374NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54BCT374FK ACTIVE LCCC FK 20 1 TBD SNJ54BCT374J ACTIVE CDIP J 20 1 TBD Call TI N / A for Pkg Type SNJ54BCT374W ACTIVE CFP W 20 1 TBD A42 N / A for Pkg Type POST-PLATE N / A for Pkg Type (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. 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. Addendum-Page 1 PACKAGE OPTION ADDENDUM www.ti.com 17-Aug-2007 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 19-May-2007 TAPE AND REEL INFORMATION Pack Materials-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com Device 19-May-2007 Package Pins Site Reel Diameter (mm) Reel Width (mm) A0 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant SN74BCT374DWR DW 20 MLA 330 24 10.8 13.0 2.7 12 24 Q1 SN74BCT374NSR NS 20 MLA 330 24 8.2 13.0 2.5 12 24 Q1 TAPE AND REEL BOX INFORMATION Device Package Pins Site Length (mm) Width (mm) Height (mm) SN74BCT374DWR DW 20 MLA 333.2 333.2 31.75 SN74BCT374NSR NS 20 MLA 333.2 333.2 31.75 Pack Materials-Page 2 MECHANICAL DATA MLCC006B – OCTOBER 1996 FK (S-CQCC-N**) LEADLESS CERAMIC CHIP CARRIER 28 TERMINAL SHOWN 18 17 16 15 14 13 NO. OF TERMINALS ** 12 19 11 20 10 A B MIN MAX MIN MAX 20 0.342 (8,69) 0.358 (9,09) 0.307 (7,80) 0.358 (9,09) 28 0.442 (11,23) 0.458 (11,63) 0.406 (10,31) 0.458 (11,63) 21 9 22 8 44 0.640 (16,26) 0.660 (16,76) 0.495 (12,58) 0.560 (14,22) 23 7 52 0.739 (18,78) 0.761 (19,32) 0.495 (12,58) 0.560 (14,22) 24 6 68 0.938 (23,83) 0.962 (24,43) 0.850 (21,6) 0.858 (21,8) 84 1.141 (28,99) 1.165 (29,59) 1.047 (26,6) 1.063 (27,0) B SQ A SQ 25 5 26 27 28 1 2 3 4 0.080 (2,03) 0.064 (1,63) 0.020 (0,51) 0.010 (0,25) 0.020 (0,51) 0.010 (0,25) 0.055 (1,40) 0.045 (1,14) 0.045 (1,14) 0.035 (0,89) 0.045 (1,14) 0.035 (0,89) 0.028 (0,71) 0.022 (0,54) 0.050 (1,27) 4040140 / D 10/96 NOTES: A. B. C. D. E. All linear dimensions are in inches (millimeters). This drawing is subject to change without notice. This package can be hermetically sealed with a metal lid. The terminals are gold plated. Falls within JEDEC MS-004 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 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 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. 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