74LX1G125
SINGLE BUS BUFFER (3-STATE)
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5V TOLERANT INPUTS HIGH SPEED: tPD = 4.7ns (MAX.) at VCC = 3V LOW POWER DISSIPATION: ICC = 1µA (MAX.) at TA = 25°C POWER DOWN PROTECTION ON INPUTS AND OUTPUTS SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 24mA (MIN) at VCC = 3V BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL WIDE OPERATING VOLTAGE RANGE: VCC(OPR) = 1.65V to 5.5V (1.2V Data Retention) LATCH-UP PERFORMANCE EXCEED 300mA RoHS FLIP-CHIP AND SOT PACKAGES
SOT23-5L
SOT323-5L
Flip-Chip5 (Max dim = 1.3x1.3mm)
ORDER CODES
PACKAGE T&R 74LX1G125STR 74LX1G125CTR 74LX1G125BJR SOT23-5L SOT323-5L Flip-Chip5
DESCRIPTION The 74LX1G125 is a low voltage CMOS SINGLE BUS BUFFER fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. 3-STATE control input G has to be set HIGH to place the output into the high impedance state. Power down protection is provided on all inputs and 0 to 7V can be accepted on inputs with no regard to the supply voltage. This device can be used to interface 5V to 3V or lower power supply systems. The sub-micron CMOS technology used
allow ultra low power consumption and guarantee optimized operations between 2.8V and 1.8V system, as Smart Phone, Digital Still Camera, PDA, Notebook, or each other battery powered equipment. All inputs and outputs are equipped with protection circuits against ESD discharge.
PIN CONNECTION AND IEC LOGIC SYMBOLS (top view for SOT, top through view for Flip-Chip)
April 2004
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74LX1G125
INPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
SOT23-5L PIN N° 1 2 4 3 5 Flip-Chip PIN N° 5 1 3 2 4 SYMBOL 1G 1A 1Y GND VCC NAME AND FUNCTION Output Enable Input Data Input Data Output Ground (0V) Positive Supply Voltage
TRUTH TABLE
A X L H
X : Don’t Care Z : High Impedance
G H L L
Y Z L H
ABSOLUTE MAXIMUM RATINGS
Symbol VCC VI VO VO IIK IOK IO Supply Voltage DC Input Voltage DC Output Voltage (VCC = 0V) DC Output Voltage (High or Low State) (note 1) DC Input Diode Current DC Output Diode Current (note 2) DC Output Current Parameter Value -0.5 to +7.0 -0.5 to +7.0 -0.5 to +7.0 -0.5 to VCC + 0.5 - 50 - 50 ± 50 ± 50 -65 to +150 260 Unit V V V V mA mA mA mA °C °C
ICC or IGND DC VCC or Ground Current per Supply Pin Tstg Storage Temperature TL Lead Temperature (10 sec)
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied 1) IO absolute maximum rating must be observed 2) VO < GND
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74LX1G125
RECOMMENDED OPERATING CONDITIONS
Symbol VCC VI VO VO IOH, IOL IOH, IOL IOH, IOL IOH, IOL IOH, IOL Top dt/dv Supply Voltage (note 1) Input Voltage Output Voltage (VCC = 0V) Output Voltage (High or Low State) High or Low Level Output Current (VCC = 4.5 to 5.5V) High or Low Level Output Current (VCC = 3.0 to 3.6V) High or Low Level Output Current (VCC = 2.7 to 3.0V) High or Low Level Output Current (VCC = 2.3 to 2.7V) High or Low Level Output Current (VCC = 1.65 to 2.3V) Operating Temperature Input Rise and Fall Time (VCC = 3.0 to 5.5V) (note 2) (VCC = 1.65 to 2.7V) (note 2) Parameter Value 1.65 to 5.5 0 to 5.5 0 to 5.5 0 to VCC ± 32 ± 24 ± 12 ±8 ±4 -55 to 125 0 to 10 0 to 20 Unit V V V V mA mA mA mA mA °C ns/V
1) Truth Table guaranteed: 1.2V to 5.5V 2) VIN from 0.8V to 2V at VCC = 3.0V
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74LX1G125
DC SPECIFICATIONS
Test Condition Symbol Parameter VCC (V) 1.65 to 1.95 2.3 to 2.7 3.0 to 5.5 VIL Low Level Input Voltage 1.65 to 1.95 2.3 to 2.7 3.0 to 5.5 VOH High Level Output Voltage 1.65 to 4.5 1.65 2.3 3.0 4.5 VOL Low Level Output Voltage 1.65 to 4.5 1.65 2.3 3.0 4.5 IOZ High Impedance Output Leakage Current Input Leakage Current Power Off Leakage Current Quiescent Supply Current 3.6 1.65 to 5.5 0 1.65 to 5.5 3.6 IO=-100 µA IO=-4 mA IO=-8 mA IO=-16 mA IO=-24 mA IO=-32 mA IO=100 µA IO=4 mA IO=8 mA IO=16 mA IO=24 mA IO=32 mA VI = 0 to 5.5V VI = 0 to 5.5V VI or VO = 5.5V VI = VCC or GND VI or VO = 3.6 to 5.5V VCC-0.1 1.2 1.9 2.4 2.2 3.8 0.1 0.45 0.3 0.4 0.55 0.55 ± 10 ±5 10 10 ± 10 -40 to 85 °C Min. 0.75VCC 0.7VCC 0.7VCC 0.25VCC 0.3VCC 0.3VCC VCC-0.1 1.2 1.9 2.4 2.2 3.8 0.1 0.45 0.3 0.4 0.55 0.55 ± 10 ±5 10 10 ± 10 µA µA µA µA V V Max. Value -55 to 125 °C Min. 0.75VCC 0.7VCC 0.7VCC 0.25VCC 0.3VCC 0.3VCC V V Max. Unit
VIH
High Level Input Voltage
II Ioff ICC
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74LX1G125
AC ELECTRICAL CHARACTERISTICS
Test Condition Symbol Parameter VCC (V) CL (pF) RL (Ω ) ts = tr (ns) -40 to 85 °C Min. 2 2 1 1 2 2 1 1 1 2 2 1 1 2 2 1 1 1 2 2 1 1 2 2 1 1 1 Max. 10.0 7.0 4.7 4.1 11.0 7.5 5.5 5.2 4.2 12.0 7.0 5.5 5.0 9.2 5.5 5.2 5.0 4.2 12.0 7.0 6.0 5.5 9.4 6.6 5.6 5.3 5.0 Value -55 to 125 °C Min. 2 2 1 1 2 2 1 1 1 2 2 1 1 2 2 1 1 1 2 2 1 1 2 2 1 1 1 Max. 11.0 8.0 5.7 5.1 12.0 8.5 6.5 6.2 5.2 12.0 7.0 5.5 5.0 9.2 5.5 5.2 5.0 4.2 12.0 7.0 6.0 5.5 9.4 6.6 5.6 5.3 5.0 Unit
tPLH tPHL
Propagation Delay Time
tPLZ tPHZ
tPZL tPZH
1.65 to 1.95 2.3 to 2.7 3.0 to 3.6 4.5 to 5.5 1.65 to 1.95 2.3 to 2.7 2.7 3.0 to 3.6 4.5 to 5.5 Output Disable Time 1.65 to 1.95 2.3 to 2.7 3.0 to 3.6 4.5 to 5.5 1.65 to 1.95 2.3 to 2.7 2.7 3.0 to 3.6 4.5 to 5.5 Output Enable Time 1.65 to 1.95 2.3 to 2.7 3.0 to 3.6 4.5 to 5.5 1.65 to 1.95 2.3 to 2.7 2.7 3.0 to 3.6 4.5 to 5.5
15
1MΩ
3.0
30 30 50 50 50
1000 500 500 500 500 1MΩ
2.0 2.0 2.5 2.5 2.5
ns
15
3.0
30 30 50 50 50
1000 500 500 500 500 1MΩ
2.0 2.0 2.5 2.5 2.5
ns
15
3.0
30 30 50 50 50
1000 500 500 500 500
2.0 2.0 2.5 2.5 2.5
ns
CAPACITIVE CHARACTERISTICS
Test Condition Symbol Parameter VCC (V) VIN = 0 or VCC VIN = 0 or VCC 1.8 2.5 3.3 fIN = 10MHz Value TA = 25 °C Min. Typ. 4 5 18 18 21 10 Max. pF pF pF Unit
CIN COUT CPD
Input Capacitance Output Capacitance Power Dissipation Capacitance (note 1)
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC
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74LX1G125
TEST CIRCUIT
RT = ZOUT of pulse generator (typically 50Ω)
TEST CIRCUIT AND WAVEFORM SYMBOL VALUE
Symbol 1.65 to 1.95V CL RL=R1 VIH VM tr = tr 15pF/30pF 1MΩ/1000Ω VCC VCC/2
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