DatasheetsPDF.com

U74LVC157 Dataheets PDF



Part Number U74LVC157
Manufacturers Unisonic Technologies
Logo Unisonic Technologies
Description QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
Datasheet U74LVC157 DatasheetU74LVC157 Datasheet (PDF)

UNISONIC TECHNOLOGIES CO., LTD U74LVC157 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS  DESCRIPTION The U74LVC157 is designed for 1.65V to 3.6V VCC operation. The device features a common strobe ( G ) input. When ( G ) is high, all outputs are low. When G is low, a 4-bit word is selected from one of two sources and is routed to the four outputs.  FEATURES * Operate From 1.65V to 3.6V * Inputs Accept Voltages to 5.5V * Max tpd of 5.0ns at 3.3V * Typical VOLP (Output Ground Bounce)<0..

  U74LVC157   U74LVC157


Document
UNISONIC TECHNOLOGIES CO., LTD U74LVC157 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS  DESCRIPTION The U74LVC157 is designed for 1.65V to 3.6V VCC operation. The device features a common strobe ( G ) input. When ( G ) is high, all outputs are low. When G is low, a 4-bit word is selected from one of two sources and is routed to the four outputs.  FEATURES * Operate From 1.65V to 3.6V * Inputs Accept Voltages to 5.5V * Max tpd of 5.0ns at 3.3V * Typical VOLP (Output Ground Bounce)<0.8V at VCC=3.3V, TA=25°C * Typical VOHV (Output VOH Undershoot)>2V at VCC=3.3V, TA=25°C  ORDERING INFORMATION Ordering Number Lead Free Halogen Free U74LVC157L-S16-R U74LVC157G-S16-R U74LVC157L-P16-R U74LVC157G-P16-R Package SOP-16 TSSOP-16 CMOS IC SOP-16 TSSOP-16 Packing Tape Reel Tape Reel  MARKING www.unisonic.com.tw Copyright © 2017 Unisonic Technologies Co., Ltd 1 of 6 QW-R502-990.D U74LVC157  PIN CONFIGURATION CMOS IC  FUNCTION TABLE INPUTS G A/B A B HXX X LLL X L LH X LHX L LHX H Note: H: HIGH voltage level; L: LOW voltage level; X: Don’t care. OUTPUT Y L L H L H UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 6 QW-R502-990.D U74LVC157  LOGIC DIAGRAM (positive logic) CMOS IC UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 6 QW-R502-990.D U74LVC157 CMOS IC  ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL CONDITIONS RATINGS UNIT Supply Voltage VCC -0.5 ~ +6.5 V Input Voltage Output Voltage VIN VOUT Output in the high or low state Output in the power-off state -0.5 ~ +6.5 -0.5 ~ VCC +0.5 -0.5 ~ +6.5 V V V Continuous VCC or GND Current ICC ±100 mA Continuous Output Current Input Clamp Current IOUT IIK VOUT=0V ~ VCC VIN<0V ±50 mA -50 mA Output Clamp Current Storage Temperature Range IOK TSTG VOUT>VCC or VOUT<0V -50 -65 ~ +150 mA °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied.  RECOMMENDED OPERATING CONDITIONS (TA =25°C , unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX Supply Voltage VCC Operating 1.65 3.6 Input Voltage VIN 0 5.5 Output Voltage VOUT 0 VCC High-level input voltage VCC=1.65V~1.95V VIH VCC=2.3V~2.7V 0.65×VCC 1.7 VCC=2.7V~3.6V 2 Low-level input voltage VCC=1.65V~1.95V VIL VCC=2.3V~2.7V 0.35×VCC 0.7 VCC=2.7V~3.6V 0.8 Input Transition Rise or Fall Rate ∆t/∆v 10 Operating Temperature TA -40 85 Note: All unused inputs of the device must be held at VCC or GND to ensure proper device operation.  ELECTRICAL CHARACTERISTICS (TA =25°C , unless otherwise specified) UNIT V V V V V ns/V °C PARAMETER High-Level Output Voltage Low-Level Output Voltage SYMBOL VOH VOL TEST CONDITIONS VCC=1.65~3.6V, IOH=-100μA VCC=1.65V, IOH=-4mA VCC=2.3V, IOH=-8mA VCC=2.7V, IOH=-12mA VCC=3.0V, IOH=-12mA VCC=3V, IOH=-24mA VCC=1.6 ~3.6V, IOL=100μA VCC=1.65V, IOL=4mA VCC=2.3V, IOL=8mA VCC=2.7V, IOL=12mA VCC=3V, IOL=24mA MIN VCC-0.2 1.29 1.9 2.2 2.4 2.3 TYP MAX UNIT V 0.1 0.24 0.30 V 0.40 0.55 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 6 QW-R502-990.D U74LVC157 CMOS IC  ELECTRICAL CHARACTERISTICS (Cont.) PARAMETER Input Leakage Current Power OFF Leakage Current Quiescent Supply Current Additional Quiescent Supply Current Per Input Pin Input Capacitance SYMBOL II(LEAK) IOFF ICC ∆ICC CI TEST CONDITIONS VCC=3.6V, VIN=5.5V or GND VCC=0V, VIN or VOUT=5.5V VIN=VCC or GND, IOUT=0 VCC=3.6V VCC=2.7V~3.6V, One input at VCC-0.6V, Other inputs at VCC or GND VCC=3.3V, VIN=VCC or GND MIN TYP 5 MAX ±1 ±10 1 500  SWITCHING CHARACTERISTICS (TA =25°C , unless otherwise specified)(see Figure 1) PARAMETER Propagation delay from input (A or B) to output(Y) Propagation delay from input ( A / B ) to output(Y) Propagation delay from input ( G ) to output(Y) SYMBOL tPLH/tPHL tPLH/tPHL tPLH/tPHL TEST CONDITIONS VCC=1.8V±0.15V, CL=30pF VCC=2.5V±0.2V, CL=30pF VCC=2.7V, CL=50pF VCC=3.3V±0.3V, CL=50pF VCC=1.8V±0.15V, CL=30pF VCC=2.5V±0.2V, CL=30pF VCC=2.7V, CL=50pF VCC=3.3V±0.3V, CL=50pF VCC=1.8V±0.15V, CL=30pF VCC=2.5V±0.2V, CL=30pF VCC=2.7V, CL=50pF VCC=3.3V±0.3V, CL=50pF MIN TYP MAX 1 5.5 13.5 1 3.2 7.4 1 3.6 5.7 135 1 6 15.5 1 3.7 9.6 1 4.1 7.9 1 3.4 6.6 1 5.9 13.5 1 3.5 9.3 1 3.9 7.6 1 3.3 6.3  OPERATING CHARACTERISTICS (f=10MHz, TA =25°C , unless otherwise specified) PARAMETER Power Dissipation Capacitance SYMBOL CPD TEST CONDITIONS VCC=1.8V VCC=2.5V VCC=3.3V MIN TYP MAX 14 15 16 UNIT μA μA μA μA pF UNIT ns ns ns ns ns ns ns ns ns ns ns ns UNIT pF pF pF UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 6 QW-R502-990.D U74LVC157  TEST CIRCUIT AND WAVEFORMS CMOS IC VCC 1.8V±0.15V 2.5V±0.2V 2.7V 3.3V±0.3V INPUTS VIN tR/tF VCC ≤2ns VCC ≤2ns 2.7V ≤2.5ns 2.7V ≤2.5ns VM VCC/2 VCC/2 1.5V 1.5V VLOAD 2×VCC 2×VCC 6V 6V CL 30pF 30pF 50pF 50.


U74LVC126A U74LVC157 U74LVC1G10


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site.
(Privacy Policy & Contact)