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| INTEGRATED CIRCUITS DATA SHEET For a complete data sheet, please also download: * The IC04 LOCMOS HE4000B Logic Family Specifications HEF, HEC * The IC04 LOCMOS HE4000B Logic Package Outlines/Information HEF, HEC HEF40106B gates Hex inverting Schmitt trigger Product specification File under Integrated Circuits, IC04 January 1995 Philips Semiconductors Product specification Hex inverting Schmitt trigger DESCRIPTION Each circuit of the HEF40106B functions as an inverter with Schmitt-trigger action. The Schmitt-trigger switches at different points for the positive and negative-going input signals. The difference between the positive-going voltage (VP) and the negative-going voltage (VN) is defined as hysteresis voltage (VH). This device may be used for enhanced noise immunity or to "square up" slowly changing waveforms. HEF40106B gates Fig.2 Pinning diagram. HEF40106BP(N): 14-lead DIL; plastic (SOT27-1) HEF40106BD(F): 14-lead DIL; ceramic (cerdip) (SOT73) HEF40106BT(D): 14-lead SO; plastic (SOT108-1) ( ): Package Designator North America Fig.1 Functional diagram. Fig.3 Logic diagram (one inverter). FAMILY DATA, IDD LIMITS category GATES See Family Specifications January 1995 2 Philips Semiconductors Product specification Hex inverting Schmitt trigger DC CHARACTERISTICS VSS = 0 V; Tamb = 25 C VDD V Hysteresis voltage Switching levels positive-going input voltage negative-going input voltage 5 10 15 5 10 15 5 10 15 VN VP VH SYMBOL MIN. 0,5 0,7 0,9 2 3,7 4,9 1,5 3 4 TYP. 0,8 1,3 1,8 3,0 5,8 8,3 2,2 4,5 6,5 HEF40106B gates MAX. V V V 3,5 7 11 3 6,3 10,1 V V V V V V Fig.5 Fig.4 Transfer characteristic. Waveforms showing definition of VP, VN and VH, where VN and VP are between limits of 30% and 70%. January 1995 3 Philips Semiconductors Product specification Hex inverting Schmitt trigger AC CHARACTERISTICS VSS = 0 V; Tamb = 25 C; CL = 50 pF; input transition times 20 ns VDD V Propagation delays In On HIGH to LOW 5 10 15 5 LOW to HIGH Output transition times HIGH to LOW 10 15 5 10 15 5 LOW to HIGH 10 15 tTLH tTHL tPLH tPHL 90 35 30 75 35 30 60 30 20 60 30 20 180 70 60 150 70 60 120 60 40 120 60 40 ns ns ns ns ns ns ns ns ns ns ns ns SYMBOL TYP. MAX. HEF40106B gates TYPICAL EXTRAPOLATION FORMULA 63 ns + (0,55 ns/pF) CL 24 ns + (0,23 ns/pF) 22 ns + (0,16 ns/pF) CL 48 ns + (0,55 ns/pF) CL 24 ns + (0,23 ns/pF) CL 22 ns + (0,16 ns/pF) CL 10 ns + (1,0 ns/pF) CL 9 ns + (0,42 ns/pF) CL 6 ns + (0,28 ns/pF) CL 10 ns + (1,0 ns/pF) CL 9 ns + (0,42 ns/pF) CL 6 ns + (0,28 ns/pF) CL VDD V Dynamic power dissipation per package (P) 5 10 15 TYPICAL FORMULA FOR P (W) 2 300 fi + (foCL) x VDD2 9 000 fi + (foCL) x VDD 20 000 fi + (foCL) x VDD 2 2 where fi = input freq. (MHz) fo = output freq. (MHz) CL = load capacitance (pF) (foCL) = sum of outputs VDD = supply voltage (V) January 1995 4 Philips Semiconductors Product specification Hex inverting Schmitt trigger HEF40106B gates Fig.6 Typical drain current as a function of input voltage; VDD = 5 V; Tamb = 25 C. Fig.7 Typical drain current as a function of input voltage; VDD =10 V; Tamb = 25 C. Fig.8 Typical drain current as a function of input voltage; VDD = 15 V; Tamb = 25 C. January 1995 5 Philips Semiconductors Product specification Hex inverting Schmitt trigger HEF40106B gates Fig.9 Typical switching levels as a function of supply voltage VDD; Tamb = 25 C. Fig.10 Schmitt trigger driven via a high impedance (R > 1 k). If a Schmitt trigger is driven via a high impedance (R > 1 k) then it is necessary to incorporate a capacitor C of such C V DD - V SS value that: ------ > -------------------------- , otherwise oscillation can occur on the edges of a pulse. VH Cp Cp is the external parasitic capacitance between input and output; the value depends on the circuit board layout. January 1995 6 Philips Semiconductors Product specification Hex inverting Schmitt trigger APPLICATION INFORMATION Some examples of applications for the HEF40106B are: * Wave and pulse shapers * Astable multivibrators * Monostable multivibrators. HEF40106B gates Fig.11 The HEF40106B used as an astable multivibrator. January 1995 7 |
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