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74AC125 * 74ACT125 Quad Buffer with 3-STATE Outputs March 1990 Revised February 2005 74AC125 * 74ACT125 Quad Buffer with 3-STATE Outputs General Description The AC/ACT125 contains four independent non-inverting buffers with 3-STATE outputs. Features s ICC reduced by 50% s Outputs source/sink 24 mA s ACT125 has TTL-compatible outputs Ordering Code: Order Number 74AC125SC 74AC125SCX_NL (Note 1) 74AC125SJ 74AC125MTC 74AC125PC 74ACT125SC 74AC125SCX_NL (Note 1) 74ACT125SJ 74ACT125MTC 74ACT125MTCX_NL (Note 1) 74ACT125PC Package Number M14A M14A M14D MTC14 N14A M14A M14A M14D MTC14 MTC14 N14A Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow Pb-Free 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 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow Pb-Free 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 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Device 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 4-STD-020B). Device available in Tape and Reel only. FACT is a trademark of Fairchild Semiconductor Corporation. (c) 2005 Fairchild Semiconductor Corporation DS010692 www.fairchildsemi.com 74AC125 * 74ACT125 Logic Symbol IEEE/IEC Connection Diagram Pin Descriptions Pin Names An, Bn On Description Inputs Outputs Function Table Inputs An L L H H HIGH Voltage Level L LOW Voltage Level Z HIGH Impedance X Immaterial Output Bn L H X On L H Z www.fairchildsemi.com 2 74AC125 * 74ACT125 Absolute Maximum Ratings(Note 2) Supply Voltage (VCC) DC Input Diode Current (IK) VI VI 0.5V to 7.0V 20 mA 20 mA 0.5V to VCC 0.5V 20 mA 20 mA 0.5V to VCC 0.5V r50 mA r50 mA 65qC to 150qC 140qC Recommended Operating Conditions Supply Voltage (VCC) AC ACT Input Voltage (VI) Output Voltage (VO) Operating Temperature (TA) Minimum Input Edge Rate ('V/'t) AC Devices VIN from 30% to 70% of VCC VCC @ 3.3V, 4.5V, 5.5V Minimum Input Edge Rate ('V/'t) ACT Devices VIN from 0.8V to 2.0V VCC @ 4.5V, 5.5V 2.0V to 6.0V 4.5V to 5.5V 0V to VCC 0V to VCC 0.5V VCC 0.5V DC Input Voltage (VI) DC Output Diode Current (IOK) VO VO 0.5V VCC 0.5V 40qC to 85qC DC Output Voltage (VO) DC Output Source or Sink Current (IO) DC VCC or Ground Current per Output Pin (ICC or IGND) Storage Temperature (TSTG) Junction Temperature (TJ) PDIP 125 mV/ns 125 mV/ns Note 2: Absolute maximum ratings are those values beyond which damage to the device may occur. The databook specifications should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, and output/input loading variables. Fairchild does not recommend operation of FACT circuits outside databook specifications. DC Electrical Characteristics for AC Symbol VIH Parameter Minimum HIGH Level Input Voltage VIL Maximum LOW Level Input Voltage VOH Minimum HIGH Level Output Voltage VCC (V) 3.0 4.5 5.5 3.0 4.5 5.5 3.0 4.5 5.5 3.0 4.5 5.5 VOL Maximum LOW Level Output Voltage 3.0 4.5 5.5 3.0 4.5 5.5 IIN (Note 5) IOZ Maximum Input Leakage Current Maximum 3-STATE Current 5.5 IOLD IOHD Minimum Dynamic Output Current (Note 4) 5.5 5.5 5.5 4.0 5.5 0.002 0.001 0.001 TA Typ 1.5 2.25 2.75 1.5 2.25 2.75 2.99 4.49 5.49 2.1 3.15 3.85 0.9 1.35 1.65 2.9 4.4 5.4 2.56 3.86 4.86 0.1 0.1 0.1 0.36 0.36 0.36 25qC TA 40qC to 85qC 2.1 3.15 3.85 0.9 1.35 1.65 2.9 4.4 5.4 Guaranteed Limits Units VOUT V Conditions 0.1V or VCC 0.1V VOUT 0.1V V or VCC 0.1V V IOUT VIN 50 PA VIL or VIH 2.46 3.76 4.76 0.1 0.1 0.1 V V IOH IOH IOH IOUT VIN 12 mA 24 mA 24 mA (Note 3) 50 PA VIL or VIH 12 mA 24 mA (Note 3) VCC, GND V IL, VIH VCC, VGND VCC, GND 1.65V Max 3.85V Min VCC or GND 0.44 0.44 0.44 V IOL IOL IOL 24 mA VI VI VO r 0.1 r 0.25 r 1.0 r 2.5 75 PA PA mA mA VI (OE) VOLD VOHD VIN 75 40.0 ICC (Note 5) Maximum Quiescent Supply Current PA Note 3: All outputs loaded; thresholds on input associated with output under test. Note 4: Maximum test duration 2.0 ms, one output loaded at a time. Note 5: Note: IIN and ICC@ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC. 3 www.fairchildsemi.com 74AC125 * 74ACT125 DC Electrical Characteristics for ACT Symbol VIH VIL VOH Parameter Minimum HIGH Level Input Voltage Maximum LOW Level Input Voltage Minimum HIGH Level Output Voltage VCC (V) 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 VOL Maximum LOW Level Output Voltage 4.5 5.5 4.5 5.5 IIN IOZ ICCT IOLD IOHD ICC Maximum Input Leakage Current Maximum 3-STATE Current Maximum ICC/Input Minimum Dynamic Output Current (Note 7) Maximum Quiescent Supply Current Note 6: All outputs loaded; thresholds on input associated with output under test. Note 7: Maximum test duration 2.0 ms, one output loaded at a time. Note 8: May be measured per the JEDEC Alternate Method. TA Typ 1.5 1.5 1.5 1.5 4.49 5.49 25qC 2.0 2.0 0.8 0.8 4.4 5.4 3.86 4.86 TA 40qC to 85qC 2.0 2.0 0.8 0.8 4.4 5.4 Guaranteed Limits Units V V V VOUT VOUT IOUT VIN Conditions 0.1V 0.1V or VCC 0.1V or VCC 0.1V 50 PA VIL or VIH 3.76 4.76 0.1 0.1 V V IOH IOH IOUT VIN 24 mA 24 mA (Note 6) 50 PA VIL or VIH 24 mA 24 mA (Note 6) VCC, GND VIL, VIH VCC, GND VCC 2.1V (Note 8) 1.65V Max 3.85V Min VCC 0.001 0.001 0.1 0.1 0.36 0.36 0.44 0.44 V IOL IOL VI VI VO VI 5.5 5.5 5.5 5.5 5.5 5.5 0.6 r0.1 r0.5 r1.0 r5.0 1.5 75 PA PA mA mA mA VOLD VOHD VIN or GND 75 4.0 40.0 PA www.fairchildsemi.com 4 74AC125 * 74ACT125 AC Electrical Characteristics for AC VCC Symbol tPLH tPHL tPZH tPZL tPHZ tPLZ Parameter Propagation Delay Data to Output Propagation Delay Data to Output Output Enable Time Output Enable Time Output Disable Time Output Disable Time (V) (Note 9) 3.3 5.0 3.3 5.0 3.3 5.0 3.3 5.0 3.3 5.0 3.3 5.0 Note 9: Voltage Range 3.3 is 3.3V r 0.3V Voltage Range 5.0 is 5.0V r 0.5V TA CL Min 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 25qC 50 pF Typ 6.5 5.5 6.5 5.0 6.0 5.0 7.5 5.5 7.5 6.5 7.5 6.5 Max 9.0 7.0 9.0 7.0 10.5 7.0 10.0 8.0 10.0 9.0 10.5 9.0 TA 40qC to 85qC CL 50 pF Max 10.0 7.5 10.0 7.5 11.0 8.0 11.0 8.5 10.5 9.5 11.5 9.5 ns ns ns ns ns ns Units Min 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 AC Electrical Characteristics for ACT VCC Symbol Parameter (V) (Note 10) tPLH tPHL tPZH tPZL tPHZ tPLZ Propagation Delay Data to Output Propagation Delay Data to Output Output Enable Time Output Enable Time Output Disable Time Output Disable Time 5.0 5.0 5.0 5.0 1.0 1.0 1.0 1.0 6.0 7.0 7.0 7.5 8.5 9.5 9.5 10.0 1.0 1.0 1.0 1.0 9.5 10.5 10.5 10.5 ns ns ns ns 5.0 1.0 7.0 9.0 1.0 10.0 ns 5.0 Min 1.0 TA CL 25qC 50 pF Typ 6.5 Max 9.0 TA 40qC to 85qC CL 50 pF Max 10.0 ns Units Min 1.0 Note 10: Voltage Range 5.0 is 5.0V r 0.5V Capacitance Symbol CIN CPD Parameter Input Capacitance Power Dissipation Capacitance AC/ACT Typ 4.5 45.0 Units pF pF VCC VCC OPEN 5.0V Conditions 5 www.fairchildsemi.com 74AC125 * 74ACT125 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 6 74AC125 * 74ACT125 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 7 www.fairchildsemi.com 74AC125 * 74ACT125 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 www.fairchildsemi.com 8 74AC125 * 74ACT125 Quad Buffer with 3-STATE Outputs Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Package Number N14A 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. 9 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 www.fairchildsemi.com |
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