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74LVX125 Low Voltage Quad Buffer with 3-STATE Outputs
February 1994 Revised February 2005
74LVX125 Low Voltage Quad Buffer with 3-STATE Outputs
General Description
The LVX125 contains four independent non-inverting buffers with 3-STATE outputs. The inputs tolerate voltages up to 7V allowing the interface of 5V systems to 3V systems.
Features
s Input voltage level translation from 5V to 3V s Ideal for low power/low noise 3.3V applications s Guaranteed simultaneous switching noise level and dynamic threshold performance
Ordering Code:
Order Number 74LVX125M 74LVX125SJ 74LVX125MTC 74LVX125MTCX_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.
Logic Symbol
IEEE/IEC
Connection Diagram
Truth Table Pin Descriptions
OEn Pin Names An OEn On Description Inputs Output Enable Inputs Outputs L L H
H HIGH Voltage Level L LOW Voltage Level Z High Impedance X Immaterial
Inputs An L H X
Output On L H Z
(c) 2005 Fairchild Semiconductor Corporation
DS012007
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74LVX125
Absolute Maximum Ratings(Note 2)
Supply Voltage (VCC) DC Input Diode Current (IIK) VI
0.5V to 7.0V 20 mA 0.5V to 7.0V 20 mA 20 mA 0.5V to VCC 0.5V r25 mA r50 mA 65qC to 150qC
180 mW
Recommended Operating Conditions (Note 3)
Supply Voltage (VCC) Input Voltage (VI) Output Voltage (VO) Operating Temperature (TA) Input Rise and Fall Time ('t/'V) 2.0V to 3.6V 0V to 5.5V 0V to VCC
0.5V
DC Input Voltage (VI) DC Output Diode Current (IOK) VO VO 0.5V VCC 0.5V
40qC to 85qC
0 ns/V to 100 ns/V
Output Voltage (VO) DC Output Source/Sink Current (IO) DC VCC or Ground Current (ICC or IGND ) Storage Temperature Range (TSTG) Power Dissipation
Note 2: The "Absolute Maximum Ratings" are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The "Recommended Operating Conditions" table will define the conditions for actual device operation. Note 3: Unused inputs must be held HIGH or LOW. They may not float.
DC Electrical Characteristics
Symbol VIH Parameter HIGH Level Input Voltage VIL LOW Level Input Voltage VOH HIGH Level Output Voltage VOL LOW Level Output Voltage IOZ IIN ICC 3-STATE Output Off-State Current Input Leakage Current Quiescent Supply Current 3.6 4.0 40.0 3.6 VCC (V) 2.0 3.0 3.6 2.0 3.0 3.6 2.0 3.0 3.0 2.0 3.0 3.0 3.6 1.9 2.9 2.58 0.0 0.0 0.1 0.1 0.36 2.0 3.0 Min 1.5 2.0 2.4 0.5 0.8 0.8 1.9 2.9 2.48 0.1 0.1 0.44 V VIN VIL or VIH VIN VOUT VIN VIN VIH or VIL VCC or GND 5.5V or GND VCC or GND V TA 25qC Typ Max TA
40qC to 85qC
Min 1.5 2.0 2.4 0.5 0.8 0.8 Max
Units
Conditions
V
V VIN VIL or VIH IOH IOH IOH IOL IOL IOL
50 PA 50 PA 4 mA
50 PA 50 PA 4 mA
r0.25 r0.1
r2.5 r1.0
PA PA PA
Noise Characteristics
Symbol VOLP VOLV VIHD VILD
(Note 4)
VCC (V) 3.3 3.3 3.3 3.3 TA Typ 0.3 25qC Limit 0.8 V V V V Units CL (pF) 50 50 50 50
Parameter Quiet Output Maximum Dynamic VOL Quiet Output Minimum Dynamic VOL Minimum HIGH Level Dynamic Input Voltage Maximum LOW Level Dynamic Input Voltage
tf 3 ns
0.3
0.8
2.0 0.8
Note 4: Input tr
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74LVX125
AC Electrical Characteristics
Symbol tPLH tPHL Parameter Propagation Delay Time Data to Output 3.3 r 0.3 tPZH tPZL 3.3 r 0.3 tPHZ tPLZ tOSHL tOSLH Output Disable Time Output to Output Skew (Note 5) 2.7 3.3 r 0.3 2.7 3.3
|tPLHm tPLHn|, tOSHL
VCC (V) 2.7 Min
TA
25qC
Typ 5.8 8.3 4.4 6.9 5.3 7.8 4.0 6.5 10.0 8.3 Max 10.1 13.6 6.2 9.7 9.3 12.8 5.6 9.1 15.7 11.2 1.5 1.5
|t PHLm t PHLn|
TA
40qC to 85qC
Min 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Max 13.5 17.0 8.5 12.0 12.5 16.0 7.5 11.0 19.0 13.0 1.5 1.5
Units CL ns CL CL CL CL ns CL CL CL ns ns CL CL CL
Conditions 15 pF 50 pF 15 pF 50 pF 15 pF, RL 50 pF, RL 15 pF, RL 50 pF, RL 50 pF, RL 50 pF, RL 50 pF 1 k: 1 k: 1 k: 1 k: 1 k: 1 k:
Output Enable Time
2.7
Note 5: Parameter guaranteed by design. tOSLH
Capacitance
Symbol CIN CPD Input Capacitance Power Dissipation Capacitance (Note 6)
Note 6: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
Parameter Min
TA
25qC Typ 4.0 14 Max 10
TA
40qC to 85qC
Min Max 10
Units pF pF
3
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74LVX125
Physical Dimensions inches (millimeters) unless otherwise noted
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow Package Number M14A
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74LVX125
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
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74LVX125 Low Voltage 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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