SDFS077A − D2932, MARCH 1987 − REVISED OCTOBER 1993 SN54F374 . . . J PACKAGE SN74F374 . . . DB, DW, OR N PACKAGE (TOP VIEW) Eight D-Type Flip-Flops in a Single Package 3-State Bus-Driving True Outputs Full Parallel Access for Loading Buffered Control Inputs Package Options Include Plastic Small-Outline (SOIC) and Shrink Small-Outline (SSOP) Packages, Ceramic Chip Carriers, and Plastic and Ceramic DIPs OE 1Q 1D 2D 2Q 3Q 3D 4D 4Q GND description 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. 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 8Q 8D 7D 7Q 6Q 6D 5D 5Q CLK 1D 1Q OE VCC SN54F374 . . . FK PACKAGE (TOP VIEW) The eight flip-flops of the ′F374 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. 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 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. 8Q • • • • • 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. The SN74F374 is available in TI’s shrink small-outline package (DB), which provides the same I/O pin count and functionality of standard small-outline packages in less than half the printed-circuit-board area. The SN54F374 is characterized for operation over the full military temperature range of −55°C to 125°C. The SN74F374 is characterized for operation from 0°C to 70°C. 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 Copyright 1993, Texas Instruments Incorporated !" # $%&" !# '%()$!" *!"&+ *%$"# $ " #'&$$!"# '& ",& "&# &-!# #"%&"# #"!*!* .!!"/+ *%$" '$&##0 *&# " &$&##!)/ $)%*& "&#"0 !)) '!!&"&#+ POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 2−1 SDFS077A − D2932, MARCH 1987 − REVISED OCTOBER 1993 logic symbol† OE CLK 1 11 logic diagram (positive logic) OE EN C1 CLK 1 11 C1 1D 2D 3D 4D 5D 6D 7D 8D 3 2 1D 4 5 7 6 8 9 13 12 14 15 17 16 18 19 1Q 1D 3 2 1Q 1D 2Q 3Q 4Q 5Q To Seven Other Channels 6Q 7Q 8Q † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. 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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −1.2 V to 7 V Input current range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30 mA to 5 mA Voltage range applied to any output in the disabled or power-off state . . . . . . . . . . . . . . . . . . . −0.5 V to 5.5 V Voltage range applied to any output in the high state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to VCC Current into any output in the low state: SN54F374 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA SN74F374 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 mA Operating free-air temperature range: SN54F374 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55°C to 125°C SN74F374 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −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. NOTE 1: The input voltage ratings may be exceeded provided the input current ratings are observed. recommended operating conditions SN54F374 SN74F374 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 −3 −3 mA Low-level output current 20 24 mA TA Operating free-air temperature 70 °C 2−2 High-level input voltage 2 −55 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 2 125 0 V V SDFS077A − D2932, MARCH 1987 − REVISED OCTOBER 1993 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER VIK VOH SN54F374 TYP† MAX TEST CONDITIONS VCC = 4.5 V, VCC = 4.5 V VCC = 4.75 V, MIN II = − 18 mA IOH = − 1 mA −1.2 IOH = − 3 mA IOH = − 1 mA to − 3 mA VOL VCC = 4.5 V IOL = 20 mA IOL = 24 mA IOZH IOZL VCC = 5.5 V, VCC = 5.5 V, VO = 2.7 V VO = 0.5 V II IIH VCC = 5.5 V, VCC = 5.5 V, IIL IOS‡ VCC = 5.5 V, VCC = 5.5 V, SN74F374 TYP† MAX MIN −1.2 2.5 3.4 2.5 3.4 2.4 3.3 2.4 3.3 UNIT V V 2.7 0.3 0.5 0.35 0.5 V 50 50 µA −50 −50 µA VI = 7 V VI = 2.7 V 0.1 0.1 mA 20 20 µA VI = 0.5 V VO = 0 − 0.6 − 0.6 mA −150 mA 86 mA −60 −150 −60 ICCZ VCC = 5.5 V, See Note 2 55 86 55 † All typical values are at VCC = 5 V, TA = 25°C. ‡ Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second. NOTE 2: ICCZ is measured with OE at 4.5 V and all other inputs grounded. timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) VCC = 5 V, TA = 25°C SN54F374 SN74F374 ′F374 fclock Clock frequency tw Pulse duration tsu Setup time, data before CLK↑ th Hold time, data after CLK↑ MIN MAX MIN MAX MIN MAX 0 100 0 60 0 70 CLK high 7 7 7 CLK low 6 6 6 High 2 2.5 2 Low 2 2 2 High 2 2 2 Low 2 2.5 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 UNIT MHz ns ns ns 2−3 SDFS077A − D2932, MARCH 1987 − REVISED OCTOBER 1993 switching characteristics (see Note 3) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V, CL = 50 pF, RL = 500 Ω, TA = 25°C VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX† ′F374 MIN fmax tPLH TYP MAX 100 UNIT SN54F374 SN74F374 MIN MIN MAX 60 MAX 70 MHz 3.2 6.1 8.5 3.2 10.5 3.2 10 3.2 6.1 8.5 3.2 11 3.2 10 1.2 8.6 11.5 1.2 14 1.2 12.5 1.2 5.4 7.5 1.2 10 1.2 8.5 1.2 4.9 7 1.2 8 1.2 8 tPLZ 1.2 3.9 5.5 1.2 7.5 1.2 † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. NOTE 3: Load circuits and waveforms are shown in Section 1. 6.5 tPHL tPZH tPZL tPHZ 2−4 CLK Q OE Q OE Q POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 ns ns ns PACKAGE OPTION ADDENDUM www.ti.com 23-Apr-2008 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty Lead/Ball Finish MSL Peak Temp (3) 5962-9759001Q2A ACTIVE LCCC FK 20 1 TBD 5962-9759001QRA ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Type 5962-9759001QRA ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Type 5962-9759001QSA ACTIVE CFP W 20 1 TBD Call TI N / A for Pkg Type 5962-9759001QSA ACTIVE CFP W 20 1 TBD Call TI N / A for Pkg Type JM38510/34105B2A ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type JM38510/34105B2A ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type JM38510/34105BRA ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Type JM38510/34105BRA ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Type JM38510/34105BSA ACTIVE CFP W 20 1 TBD Call TI N / A for Pkg Type JM38510/34105BSA ACTIVE CFP W 20 1 TBD Call TI N / A for Pkg Type SN54F374J ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Type SN54F374J ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Type SN74F374DBLE OBSOLETE SSOP DB 20 TBD Call TI Call TI SN74F374DBLE OBSOLETE SSOP DB 20 Call TI Call TI SN74F374DBR ACTIVE SSOP DB 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DBR ACTIVE SSOP DB 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DBRE4 ACTIVE SSOP DB 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DBRE4 ACTIVE SSOP DB 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DBRG4 ACTIVE SSOP DB 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DBRG4 ACTIVE SSOP DB 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DW ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DW ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DWE4 ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DWE4 ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DWG4 ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DWG4 ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DWR ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DWR ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DWRE4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DWRE4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TBD Addendum-Page 1 POST-PLATE N / A for Pkg Type PACKAGE OPTION ADDENDUM www.ti.com 23-Apr-2008 Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty SN74F374DWRG4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374DWRG4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374N ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74F374N ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74F374N3 OBSOLETE PDIP N 20 TBD Call TI Call TI Call TI Lead/Ball Finish MSL Peak Temp (3) SN74F374N3 OBSOLETE PDIP N 20 TBD Call TI SN74F374NE4 ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74F374NE4 ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74F374NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74F374NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54F374FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54F374FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54F374J ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Type SNJ54F374J ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Type SNJ54F374W ACTIVE CFP W 20 1 TBD Call TI N / A for Pkg Type SNJ54F374W ACTIVE CFP W 20 1 TBD Call TI 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) Addendum-Page 2 PACKAGE OPTION ADDENDUM www.ti.com 23-Apr-2008 (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 3 PACKAGE MATERIALS INFORMATION www.ti.com 11-Mar-2008 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel Diameter Width (mm) W1 (mm) A0 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant SN74F374DBR SSOP DB 20 2000 330.0 16.4 8.2 7.5 2.5 12.0 16.0 Q1 SN74F374DWR SOIC DW 20 2000 330.0 24.4 10.8 13.0 2.7 12.0 24.0 Q1 Pack Materials-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 11-Mar-2008 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) SN74F374DBR SN74F374DWR SSOP DB 20 2000 346.0 346.0 33.0 SOIC DW 20 2000 346.0 346.0 41.0 Pack Materials-Page 2 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 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. 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