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| 74ABT126 Quad Buffer with 3-STATE Outputs January 1995 Revised February 2005 74ABT126 Quad Buffer with 3-STATE Outputs General Description The ABT126 contains four independent non-inverting buffers with 3-STATE outputs. Features s Non-inverting buffers s Output sink capability of 64 mA, source capability of 32 m s Guaranteed latchup protection s High impedance glitch free bus loading during entire power up and power down cycle s Nondestructive hot insertion capability s Disable time less than enable time to avoid bus contention Ordering Code: Order Number 74ABT126CSC 74ABT126CSJ 74ABT126CMTC 74ABT126CMTCX_NL (Note 1) Package Number M14A M14D MTC14 MTC14 Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow Pb-Free 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Pb-Free 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Devices also available in Tape and Reel. Specify by appending suffix letter "X" to the ordering code. Pb-Free package per JEDEC J-STD-020B. Note 1: "_NL" indicates Pb-Free package (per JEDEC J-STD-020B). Device available in Tape and Reel only. Connection Diagram Pin Descriptions Pin Names An , Bn On Descriptions Inputs Outputs Function Table Inputs An H H L H HIGH Voltage Level L LOW Voltage Level Z HIGH Impedance X Immaterial Output Bn L H X On L H Z (c) 2005 Fairchild Semiconductor Corporation DS011692 www.fairchildsemi.com 74ABT126 Absolute Maximum Ratings(Note 2) Storage Temperature Ambient Temperature under Bias Junction Temperature under Bias VCC Pin Potential to Ground Pin Input Voltage (Note 3) Input Current (Note 3) Voltage Applied to Any Output in the Disabled or Power-Off State in the HIGH State Current Applied to Output in LOW State (Max) DC Latchup Source Current (Across Comm Operating Range) Over Voltage Latchup (I/O) twice the rated IOL (mA) 65qC to 150qC 55qC to 125qC 55qC to 150qC 0.5V to 7.0V 0.5V to 7.0V 30 mA to 5.0 mA Recommended Operating Conditions Free Air Ambient Temperature Supply Voltage Minimum Input Edge Rate ('V/'t) Data Input Enable Input 50 mV/ns 100 mV/ns 40qC to 85qC 4.5V to 5.5V 0.5V to 5.5V 0.5V to VCC Note 2: Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired. Functional operation under these conditions is not implied. Note 3: Either voltage limit or current limit is sufficient to protect inputs. 300 mA 10V DC Electrical Characteristics Symbol VIH VIL VCD VOH VOL IIH IBVI IIL VID IOZH IOZL IOS ICEX IZZ ICCH ICCL ICCZ ICCT Parameter Input HIGH Voltage Input LOW Voltage Input Clamp Diode Voltage Output HIGH Voltage Output LOW Voltage Input HIGH Current Input HIGH Current Breakdown Test Input LOW Current Input Leakage Test Output Leakage Current Output Leakage Current Output Short-Circuit Current Output HIGH Leakage Current Bus Drainage Test Power Supply Current Power Supply Current Power Supply Current Additional ICC/Input Outputs Enabled Outputs 3-STATE Outputs 3-STATE ICCD Dynamic ICC (Note 4) Note 4: Guaranteed, but not tested. Note 5: For 8 bits toggling, ICCD 0.8 mA/MHz. Min 2.0 Typ Max 0.8 Units V V V V V VCC Conditions Recognized HIGH Signal Recognized LOW Signal 1.2 2.5 2.0 0.55 1 1 7 Min Min Min Min Max Max Max 0.0 IIN IOH IOH IOL VIN VIN VIN VIN VIN IID 18 mA 3 mA 32 mA 64 mA 2.7V (Note 4) VCC 7.0V 0.5V (Note 4) 0.0V 1.9 PA, All Other Pin Grounded 2.7V; OEn 0.5V; OEn 0.0V VCC 5.5V; All Others GND 2.0V 2.0V V PA PA PA V 1 1 4.75 10 PA PA mA 0 5.5V VOUT 0 5.5V VOUT Max Max 0.0 Max Max Max VOUT VOUT VOUT 10 -100 275 50 100 50 15 50 1.5 1.5 50 PA PA PA mA All Outputs HIGH All Outputs LOW OEn VI VCC; VCC 2.1V VCC 2.1V VCC 2.1V PA mA mA All Others at VCC or Ground Enable Input VI Data Input VI Outputs Open Max OEn GND, (Note 5) One Bit Toggling, 50% Duty Cycle PA mA/ Max All Others at VCC or Ground No Load 0.1 MHz www.fairchildsemi.com 2 74ABT126 AC Electrical Characteristics TA Symbol Parameter Min tPLH tPHL tPZH tPZL tPHZ tPLZ Propagation Delay Data to Outputs Output Enable Time Output Disable Time 1.0 1.0 1.0 1.0 1.0 1.0 VCC CL 25qC 5V 50 pF Typ Max 4.4 4.6 6.5 6.5 5.8 5.5 TA 40qC to 85qC 4.5V-5.5V 50 pF Max 4.4 4.6 6.5 6.5 5.8 5.5 ns ns ns Units CL VCC Min 1.0 1.0 1.0 1.0 1.0 1.0 Capacitance Symbol CIN COUT (Note 6) Parameter Input Capacitance Output Capacitance Typ 5.0 9.0 1 MHz, per MIL-STD-883, Method 3012. Units pF pF VCC VCC 0V 5.0V Conditions TA 25qC Note 6: COUT is measured at frequency f 3 www.fairchildsemi.com 74ABT126 Physical Dimensions inches (millimeters) unless otherwise noted 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow Package Number M14A www.fairchildsemi.com 4 74ABT126 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Pb-Free 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package Number M14D 5 www.fairchildsemi.com 74ABT126 Quad Buffer with 3-STATE Outputs Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Package Number MTC14 Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. www.fairchildsemi.com 6 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com |
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