CMOS LOGIC IC ELM7S32B 2-input OR gate ■General description ELM7S32B is CMOS 2-input OR gate IC. It realizes high speed operation similar to LS-TTL with lower power consumption by CMOS features. The inner circuit structure of 3-stage logic gate obtains wider noise immunity and constant output. ■Features • • • • • • Same electrical characteristic as 74HC series (output current is around 1/2 of 74HC series) Low consumption current : Idd=1.0μA(Max.)(Top=25°C) Wide power voltage range : 2.0V to 6.0V High speed : Tpd=5ns(Typ.)(Vdd=5.0V) Symmetrical output impedance : | Ioh |=Iol=2mA(Min.)(Vdd=4.5V) Small package : SOT-25 ■Application • • • • • • Cell phones Digital cameras Portable electrical appliances like PDA, etc. Computers and peripherals Digital electrical appliances like LCD TV sets, DVD recorders/players, STB, etc. Modification inside print board, adjustment of timing, solution to noise ■Selection guide ELM7S32B-EL Symbol a b c Function Product version Taping direction ELM7S 3 2 B - EL ↑ ↑ ↑ a b c 32: 2-input OR gate B EL: Refer to PKG file ■Maximum absolute ratings Parameter Power supply voltage Input voltage Output voltage Input protection diode current Output parasitic diode current Output current VDD/GND current Power dissipation Storage temperature Symbol Vdd Vin Vout Iik Iok Iout Idd, Ignd Pd Tstg Limit -0.5 to +7.0 -0.5 to Vdd+0.5 -0.5 to Vdd+0.5 ±20 ±20 ±25 ±25 200 -65 to +150 3- 1 Unit V V V mA mA mA mA mW °C CMOS LOGIC IC ELM7S32B 2-input OR gate ■Suggested operating condition Parameter Power voltage Input voltage Output voltage Operating temperature Symbol Vdd Vin Vout Top High-input down-time tr, tf Limit 2.0 to 6.0 0 to Vdd 0 to Vdd -40 to +85 Vdd=2.0V Vdd=4.5V Vdd=6.0V Unit V V V °C 0 to 1000 0 to 500 0 to 400 ns ■Pin configuration SOT-25(TOP VIEW) 5 1 Pin No. 1 2 3 4 5 4 2 3 Pin name INB INA GND OUTX VDD INA Low Low High High Input ■AC electrical characteristics Parameter Sym. tTLH tTHL tPLH tPHL Output transition time Propagation delay-time Parameter Sym. tTLH Output transition time tTHL tPLH Propagation delay-time tPHL Input capacity Equivalent inner capacity Cin Cpd Vdd 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 INB Low High Low High Output OUTX Low High High High CL=15pF, tr=tf=6ns, Vdd=5V Top=25°C Min. Typ. Max. 4 10 4 10 5 15 5 15 Top=25°C Min. Typ. 22 7 6 18 6 6 17 7 6 18 8 7 5 10 Unit Condition ns Refer to test circuit ns Refer to test circuit CL=50pF, tr=tf=6ns Top=-40 to +85°C Unit Max. Min. Max. 125 155 25 31 ns 21 26 125 155 25 31 ns 21 26 100 125 20 25 ns 17 21 100 125 20 25 ns 17 21 10 10 pF pF Condition Refer to test circuit Refer to test circuit * Cpd is IC's inner equivalent capacity which is calculated from non-loaded operating current consumption referred to test circuit. Averaged operating current consumption at non load is calculated as following formula: Idd(opr)=Cpd • Vdd • fin+Idd 3- 2 CMOS LOGIC IC ELM7S32B 2-input OR gate ■DC electrical characteristics Parameter Sym. Vih Input voltage Vil Voh Output voltage Vol Input current Static current Iin Idd Vdd 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 4.5 6.0 2.0 4.5 6.0 4.5 6.0 6.0 6.0 Min. 1.50 3.15 4.20 Top=25°C Typ. Max. 1.90 4.40 5.90 4.18 5.68 -0.1 0.50 1.35 1.80 2.00 4.50 6.00 4.36 5.83 0.00 0.00 0.00 0.12 0.16 0.10 0.10 0.10 0.26 0.26 0.1 1.0 ■Test circuit Top=-40 to +85°C Unit Condition Min. Max. 1.50 3.15 V 4.20 0.50 1.35 V 1.80 1.90 4.40 Ioh=-20μA Vin= 5.90 V Vih or Vil 4.13 Ioh=-2mA 5.63 Ioh=-2.6mA 0.10 0.10 Iol=20μA 0.10 V Vin=Vil 0.33 Iol=2mA 0.33 Iol=2.6mA -1.0 1.0 μA Vin=Vdd or GND 10.0 μA Vin=Vdd or GND ■Measured wave pattern 6ns Vdd Pulse Oscillator OUTPUT INPUT INPUT 10% 6ns 90% 50% Vdd 90% 50% 10% tPHL tPLH CL 50� OUTPUT 50% 10% tTLH 90% 90% * Output should be opened when measuring current consumption. ■Marking SOT-25 a b c Sym. a b c Mark E 4 A to Z (except I, O, X) 3- 3 GND Content ELM7S series ELM7S32B Lot No. Voh 50% 10% Vol tTHL