74LVX27 LOW VOLTAGE CMOS TRIPLE 3-INPUT NOR GATE WITH 5V TOLERANT INPUTS ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ HIGH SPEED: tPD = 4.1ns (TYP.) at VCC = 3.3V 5V TOLERANT INPUTS INPUT VOLTAGE LEVEL: VIL=0.8V, VIH=2V at VCC=3V LOW POWER DISSIPATION: ICC = 2 µA (MAX.) at TA=25°C LOW NOISE: VOLP = 0.3V (TYP.) at VCC = 3.3V SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL OPERATING VOLTAGE RANGE: VCC(OPR) = 2V to 3.6V (1.2V Data Retention) PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 27 IMPROVED LATCH-UP IMMUNITY POWER DOWN PROTECTION ON INPUTS DESCRIPTION The 74LVX27 is a low voltage CMOS TRIPLE 3-INPUT NOR GATE fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. It is ideal for low power, battery operated and low noise 3.3V applications. SOP TSSOP Table 1: Order Codes PACKAGE T&R SOP TSSOP 74LVX27MTR 74LVX27TTR The internal circuit is composed of 3 stages including buffer output, which provides high noise immunity and stable output. 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 system. It combines high speed performance with the true CMOS low power consumption. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. Figure 1: Pin Connection And IEC Logic Symbols August 2004 Rev. 3 1/11 74LVX27 Figure 2: Input Equivalent Circuit Table 2: Pin Description PIN N° SYMBOL 1, 3, 9 2, 4, 10 13, 5, 11 12, 6, 8 7 1A to 3A 1B to 3B 1C to 3C 1Y to 3Y GND VCC 14 NAME AND FUNCTION Data Inputs Data Inputs Data Inputs Data Outputs Ground (0V) Positive Supply Voltage Table 3: Truth Table A B C Y L H X X L X H X L X X H H L L L X : Don‘t Care Table 4: Absolute Maximum Ratings Symbol VCC Parameter Value Unit Supply Voltage -0.5 to +7.0 V VI DC Input Voltage -0.5 to +7.0 V VO DC Output Voltage -0.5 to VCC + 0.5 V IIK DC Input Diode Current - 20 mA IOK DC Output Diode Current ± 20 mA IO DC Output Current ± 25 mA ICC or IGND DC VCC or Ground Current Tstg Storage Temperature TL Lead Temperature (10 sec) ± 50 mA -65 to +150 °C 300 °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 Parameter Supply Voltage (note 1) Unit 2 to 3.6 V VI Input Voltage 0 to 5.5 V VO Output Voltage 0 to VCC V Top Operating Temperature dt/dv Input Rise and Fall Time (note 2) (VCC = 3.3V) 1) Truth Table guaranteed: 1.2V to 3.6V 2) VIN from 0.8V to 2.0V 2/11 Value -55 to 125 °C 0 to 100 ns/V 74LVX27 Table 6: DC Specifications Test Condition Symbol VIH VIL VOH VOL II ICC Parameter High Level Input Voltage Low Level Input Voltage High Level Output Voltage Low Level Output Voltage Input Leakage Current Quiescent Supply Current Value TA = 25°C VCC (V) Min. 2.0 3.0 3.6 2.0 3.0 3.6 Typ. Max. 1.5 2.0 2.4 -40 to 85°C -55 to 125°C Min. Min. Max. 1.5 2.0 2.4 0.5 0.8 0.8 Max. 1.5 2.0 2.4 0.5 0.8 0.8 Unit V 0.5 0.8 0.8 V 2.0 IO=-50 µA 1.9 2.0 3.0 IO=-50 µA 2.9 3.0 3.0 IO=-4 mA 2.58 2.0 IO=50 µA 0.0 0.1 0.1 0.1 3.0 IO=50 µA 0.0 0.1 0.1 0.1 3.0 IO=4 mA 0.36 0.44 0.55 3.6 VI = 5V or GND ± 0.1 ±1 ±1 µA 3.6 VI = VCC or GND 2 20 20 µA 1.9 1.9 2.9 2.9 2.48 2.4 V V Table 7: 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) Value TA = 25°C VCC (V) Min. 3.3 -0.5 3.3 Typ. Max. 0.3 0.5 -55 to 125°C Min. Min. Max. Unit Max. -0.3 2 CL = 50 pF 3.3 -40 to 85°C V 0.8 1) Worst case package. 2) Max number of outputs defined as (n). Data inputs are driven 0V to 3.3V, (n-1) outputs switching and one output at GND. 3) Max number of data inputs (n) switching. (n-1) switching 0V to 3.3V. Inputs under test switching: 3.3V to threshold (VILD), 0V to threshold (VIHD), f=1MHz. 3/11 74LVX27 Table 8: AC Electrical Characteristics (Input tr = tf = 3ns) Test Condition Symbol Parameter tPLH tPHL Propagation Delay Time tOSLH tOSHL Output To Output Skew Time (note1, 2) VCC (V) CL (pF) 2.7 2.7 Value TA = 25°C Min. -40 to 85°C -55 to 125°C Typ. Max. Min. Max. Min. Max. 15 50 5.2 8.0 8.6 13.5 1.0 1.0 10.5 15.4 1.0 1.0 12.0 17.0 3.3(*) 15 4.1 6.2 1.0 7.5 1.0 9.0 3.3(*) 2.7 50 6.6 9.7 1.0 11.0 1.0 12.5 50 3.3(*) 50 0.5 0.5 1.0 1.0 1.5 1.5 1.5 1.5 Unit ns ns 1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switching in the same direction, either HIGH or LOW 2) Parameter guaranteed by design (*) Voltage range is 3.3V ± 0.3V Table 9: Capacitive Characteristics Test Condition Symbol Parameter VCC (V) Value TA = 25°C Min. Typ. Max. 10 CIN Input Capacitance 3.3 4 CPD Power Dissipation Capacitance (note 1) 3.3 19 -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/3 (per gate) Figure 3: Test Circuit CL =15/50pF or equivalent (includes jig and probe capacitance) RT = ZOUT of pulse generator (typically 50Ω) 4/11 74LVX27 Figure 4: Waveform - Propagation Delays (f=1MHz; 50% duty cycle) 5/11 74LVX27 SO-14 MECHANICAL DATA DIM. mm. MIN. TYP inch MAX. MIN. TYP. MAX. A 1.35 1.75 0.053 0.069 A1 0.1 0.25 0.004 0.010 A2 1.10 1.65 0.043 0.065 B 0.33 0.51 0.013 0.020 C 0.19 0.25 0.007 0.010 D 8.55 8.75 0.337 0.344 E 3.8 4.0 0.150 0.157 e 1.27 0.050 H 5.8 6.2 0.228 0.244 h 0.25 0.50 0.010 0.020 L 0.4 1.27 0.016 0.050 k 0° 8° 0° 8° ddd 0.100 0.004 0016019D 6/11 74LVX27 TSSOP14 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 0.012 c 0.09 0.20 0.004 0.0089 D 4.9 5 5.1 0.193 0.197 0.201 E 6.2 6.4 6.6 0.244 0.252 0.260 E1 4.3 4.4 4.48 0.169 0.173 0.176 1 e 0.65 BSC K 0˚ L 0.45 A 0.60 0.0256 BSC 8˚ 0˚ 0.75 0.018 8˚ 0.024 0.030 A2 A1 b e K c L E D E1 PIN 1 IDENTIFICATION 1 0080337D 7/11 74LVX27 Tape & Reel SO-14 MECHANICAL DATA mm. inch DIM. MIN. A MAX. MIN. 330 13.2 TYP. MAX. 12.992 C 12.8 D 20.2 0.795 N 60 2.362 T 8/11 TYP 0.504 22.4 0.519 0.882 Ao 6.4 6.6 0.252 0.260 Bo 9 9.2 0.354 0.362 Ko 2.1 2.3 0.082 0.090 Po 3.9 4.1 0.153 0.161 P 7.9 8.1 0.311 0.319 74LVX27 Tape & Reel TSSOP14 MECHANICAL DATA mm. inch DIM. MIN. A TYP MAX. MIN. 330 MAX. 12.992 C 12.8 D 20.2 0.795 N 60 2.362 T 13.2 TYP. 0.504 22.4 0.519 0.882 Ao 6.7 6.9 0.264 0.272 Bo 5.3 5.5 0.209 0.217 Ko 1.6 1.8 0.063 0.071 Po 3.9 4.1 0.153 0.161 P 7.9 8.1 0.311 0.319 9/11 74LVX27 Table 10: Revision History Date Revision 27-Aug-2004 3 10/11 Description of Changes Ordering Codes Revision - pag. 1. 74LVX27 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. 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