74VHC157TTR

74VHC157 QUAD 2 CHANNEL MULTIPLEXER ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ HIGH SPEED: tPD = 4.1 ns (TYP.) at VCC = 5V LOW POWER DISSIPATION: ICC = 4 µA (MAX.) at TA=25°C HIGH NOISE IMMUNITY: VNIH = VNIL = 28% VCC (MIN.) POWER DOWN PROTECTION ON INPUTS SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 8 mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL OPERATING VOLTAGE RANGE: VCC(OPR) = 2V to 5.5V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 157 IMPROVED LATCH-UP IMMUNITY LOW NOISE: VOLP = 0.8V (MAX.) SOP Table 1: Order Codes t c u d o r P e t e l o T&R 74VHC157MTR 74VHC157TTR s b O input is held high selection of data is inhibited and all the outputs become low. The SELECT decoding determines whether the A or B inputs get routed to their corresponding Y outputs. 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. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. ) (s DESCRIPTION The 74VHC157 is an advanced high-speed CMOS QUAD 2-CHANNEL MULTIPLEXER fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. It consists of four 2-input digital multiplexer with common select and strobe inputs. It is a non-inverting multiplexer. When the STROBE u d o r P e PACKAGE SOP TSSOP ) s ( ct TSSOP t e l o s b O Figure 1: Pin Connection And IEC Logic Symbols November 2004 Rev. 4 1/12 74VHC157 Figure 2: Input Equivalent Circuit Table 2: Pin Description PIN N° SYMBOL NAME AND FUNCTION 1 SELECT 2, 5, 11, 14 1A to 4A 3, 6, 10, 13 1B to 4B 4, 7, 9, 12 15 8 16 1Y to 4Y STROBE GND VCC Common Data Select Inputs Data Inputs From Source A Data Inputs From Source B Multiplexer Outputs Strobe Input Ground (0V) Positive Supply Voltage ) s ( ct Table 3: Truth Table u d o INPUTS OUTPUT STROBE SELECT A B H L L L L X L L H H X L H X X X X X L H X : Don’t care ) (s Figure 3: Logic Diagram t c u d o r P e t e l o s b O 2/12 s b O e t e ol Pr Y L L H L H 74VHC157 Table 4: Absolute Maximum Ratings Symbol VCC Parameter Supply Voltage VI DC Input Voltage VO DC Output Voltage IIK DC Input Diode Current IOK DC Output Diode Current IO DC Output Current Unit -0.5 to +7.0 V -0.5 to +7.0 V -0.5 to VCC + 0.5 - 20 V mA ± 20 mA ICC or IGND DC VCC or Ground Current Storage Temperature Tstg TL Value ± 25 mA ± 50 mA ) s ( ct -65 to +150 Lead Temperature (10 sec) 300 °C °C Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied Table 5: Recommended Operating Conditions Symbol VCC Unit 0 to 5.5 V 0 to VCC V -55 to 125 °C 0 to 100 0 to 20 ns/V Value let Supply Voltage Input Voltage VO Output Voltage Top Operating Temperature dt/dv r P e Parameter VI O ) o s b Input Rise and Fall Time (note 1) (VCC = 3.3 ± 0.3V) (VCC = 5.0 ± 0.5V) u d o 2 to 5.5 V s ( t c 1) VIN from 30% to 70% of VCC u d o r P e t e l o s b O 3/12 74VHC157 Table 6: DC Specifications Test Condition Symbol VIH Parameter VIL High Level Input Voltage VOH Low Level Input Voltage High Level Output Voltage Low Level Output Voltage VOL Input Leakage Current Quiescent Supply Current II ICC Value TA = 25°C VCC (V) Min. 2.0 3.0 to 5.5 2.0 3.0 to 5.5 Typ. Max. -40 to 85°C -55 to 125°C Min. Min. Max. 1.5 1.5 1.5 0.7VCC 0.7VCC 0.7VCC 0.5 0.3VCC 0.3VCC 0.3VCC 1.9 2.0 1.9 1.9 3.0 IO=-50 µA 2.9 3.0 2.9 2.9 4.5 IO=-50 µA 4.4 4.5 3.0 IO=-4 mA 2.58 3.94 4.4 4.5 IO=-8 mA IO=50 µA 0.0 0.1 3.0 IO=50 µA 0.0 0.1 4.5 IO=50 µA 0.0 0.1 IO=4 mA 0 to 5.5 VI = 5.5V or GND 5.5 VI = VCC or GND 3.8 0.36 O ) 0.1 0.1 0.1 0.1 0.1 V V 0.44 0.55 0.36 0.44 0.55 ± 0.1 ±1 ±1 µA 4 40 40 µA s ( t c u d o 3.7 0.1 e t e l o s b o r P 2.4 V ) s ( ct du 4.4 2.48 2.0 IO=8 mA V 0.5 IO=-50 µA 3.0 Max. 0.5 2.0 4.5 Unit Table 7: AC Electrical Characteristics (Input tr = tf = 3ns) Symbol Parameter tPLH tPHL Propagation Delay Time A, B to Y tPLH tPHL CL (pF) 3.3(*) 3.3(*) (**) TA = 25°C -55 to 125°C Min. Max. Min. Max. 15 6.2 9.7 1.0 11.5 1.0 11.5 50 8.7 13.2 1.0 15.0 1.0 15.0 15 4.1 6.4 1.0 7.5 1.0 7.5 5.0(**) 50 5.6 8.4 1.0 9.5 1.0 9.5 (*) 3.3 15 8.4 13.2 1.0 15.5 1.0 15.5 3.3(*) 50 10.9 16.7 1.0 19.0 1.0 19.0 5.0(**) 15 5.3 8.1 1.0 9.5 1.0 9.5 5.0(**) 50 6.8 10.1 1.0 11.5 1.0 11.5 Propagation Delay 3.3(*) Time STROBE to Y 3.3(*) 15 8.7 13.6 1.0 16.0 1.0 16.0 50 11.2 17.1 1.0 19.5 1.0 19.5 5.0(**) 15 5.6 8.6 1.0 10.0 1.0 10.0 5.0(**) 50 7.1 10.6 1.0 12.0 1.0 12.0 Propagation Delay Time SELECT to Y 5.0 Min. -40 to 85°C Max. (*) Voltage range is 3.3V ± 0.3V (**) Voltage range is 5.0V ± 0.5V 4/12 VCC (V) Value Typ. o s b O tPLH tPHL e t e l Pr Test Condition Unit ns ns ns 74VHC157 Table 8: Capacitive Characteristics Test Condition Symbol Value TA = 25°C Parameter Min. Typ. Max. 10 CIN Input Capacitance 6 CPD Power Dissipation Capacitance (note 1) 18 -40 to 85°C -55 to 125°C Min. Min. Max. 10 Unit Max. 10 pF pF 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/4 (per channel) ) s ( ct Table 9: Dynamic Switching Characteristics Test Condition Symbol VOLP VOLV VIHD VILD Parameter Dynamic Low Voltage Quiet Output (note 1, 2) Dynamic High Voltage Input (note 1, 3) Dynamic Low Voltage Input (note 1, 3) TA = 25°C VCC (V) Min. 5.0 -0.8 CL = 50 pF 5.0 3.5 )- 5.0 u d o Value s ( t c Typ. Max. 0.3 0.8 -40 to 85°C -55 to 125°C Min. Min. t e l o r P e -0.3 s b O 1.5 Max. Unit Max. V V V 1) Worst case package. 2) Max number of outputs defined as (n). Data inputs are driven 0V to 5.0V, (n-1) outputs switching and one output at GND. 3) Max number of data inputs (n) switching. (n-1) switching 0V to 5.0V. Inputs under test switching: 5.0V to threshold (VILD), 0V to threshold (VIHD), f=1MHz. u d o r P e Figure 4: Test Circuit t e l o s b O CL =15/50pF or equivalent (includes jig and probe capacitance) RT = ZOUT of pulse generator (typically 50Ω) 5/12 74VHC157 Figure 5: Waveform - Propagation Delays For Inverting Conditions ) s ( ct u d o t e l o r P e Figure 6: Waveform - Propagation Delays For Non-inverting Conditions ) (s t c u d o r P e t e l o s b O 6/12 s b O 74VHC157 SO-16 MECHANICAL DATA mm. DIM. MIN. inch TYP MAX. A MIN. TYP. a1 1.75 MAX. 0.1 0.068 0.25 a2 0.004 0.010 1.64 0.063 b 0.35 0.46 0.013 0.018 b1 0.19 0.25 0.007 0.010 C 0.5 c1 45° (typ.) D 9.8 10 0.385 E 5.8 6.2 0.228 e u d o 0.393 1.27 e3 ) s ( ct 0.019 Pr 0.050 e t e l 8.89 0.244 0.350 F 3.8 4.0 0.149 G 4.6 5.3 0.181 L 0.5 1.27 M 0.62 so 0.019 ) (s S b O 0.157 0.208 0.050 0.024 8° (max.) t c u d o r P e t e l o s b O 0016020D 7/12 74VHC157 TSSOP16 MECHANICAL DATA mm. inch DIM. MIN. TYP A MAX. MIN. TYP. MAX. 1.2 A1 0.05 A2 0.8 b 0.047 0.15 0.002 0.004 0.006 1.05 0.031 0.039 0.041 0.19 0.30 0.007 c 0.09 0.20 0.004 D 4.9 5 5.1 0.193 E 6.2 6.4 6.6 0.244 E1 4.3 4.4 4.48 0.169 1 e K 0˚ L 0.45 A O ) 0.60 r P e 0.197 bs 8˚ 0.75 s ( t c u d o 0.0079 t e l o 0.65 BSC ) s ( ct 0.012 0.201 0.252 0.260 0.173 0.176 0.0256 BSC 0˚ 8˚ 0.018 0.024 0.030 u d o r P e A2 let A1 o s b b O e K c L E D E1 PIN 1 IDENTIFICATION 1 0080338D 8/12 74VHC157 Tape & Reel SO-16 MECHANICAL DATA mm. inch DIM. MIN. TYP MAX. A MIN. TYP. MAX. 330 13.2 12.992 C 12.8 D 20.2 0.795 N 60 2.362 T 0.504 0.519 ) s ( ct 22.4 0.882 Ao 6.45 6.65 0.254 Bo 10.3 10.5 0.406 Ko 2.1 2.3 0.082 Po 3.9 4.1 0.153 P 7.9 8.1 0.311 ) (s 0.262 ro P e let so b O du 0.414 0.090 0.161 0.319 t c u d o r P e t e l o s b O 9/12 74VHC157 Tape & Reel TSSOP16 MECHANICAL DATA mm. inch DIM. MIN. TYP MAX. A TYP. MAX. 330 13.2 12.992 C 12.8 D 20.2 0.795 N 60 2.362 T 0.504 0.519 ) s ( ct 22.4 0.882 Ao 6.7 6.9 0.264 Bo 5.3 5.5 0.209 Ko 1.6 1.8 0.063 Po 3.9 4.1 0.153 P 7.9 8.1 0.311 ) (s t c u d o r P e t e l o s b O 10/12 MIN. 0.272 ro P e let so b O du 0.217 0.071 0.161 0.319 74VHC157 Table 10: Revision History Date Revision 12-Nov-2004 4 Description of Changes Order Codes Revision - pag. 1. ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r P e t e l o s b O 11/12 74VHC157 ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r P e t e l o s b O Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. 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