1. A clock enable system for a multichip device comprising:
a first integrated circuit including a clock signal and at least a second integrated circuit including at least one functional block requiring clock signals from the first integrated circuit;
a clock required circuit responsive to each said functional block for providing a clock required signal in response to activation of any one or more of said functional blocks; and
a clock enable circuit responsive to said clock required signal for enabling the first integrated circuit to provide clock signals to said functional blocks on said second integrated circuit.
2. The clock enable system of claim 1 in which said clock required circuit is on said second integrated circuit.
3. The clock enable system of claim 1 in which said clock enable circuit is on said first integrated circuit.
4. A clock enable system for a multichip integrated circuit cellular terminal comprising:
a digital baseband processor integrated circuit including a clock signal and an analog baseband processor integrated circuit including at least one functional block requiring clock signals from said digital baseband processor integrated circuit;
a clock required circuit responsive to each said functional block for providing a clock required signal in response to activation of any one or more of said functional blocks; and
a clock enable circuit responsive to said clock required signal for enabling the digital baseband processor integrated circuit to provide clock signals to said functional blocks on said analog baseband integrated circuit.
5. The clock enable system of claim 4 in which said clock required circuit is on said analog baseband integrated circuit.
6. The clock enable system of claim 4 in which said clock enable circuit is on said digital baseband processor integrated circuit.
7. The clock enable system of claim 4 in which said analog baseband integrated circuit includes an RF coderdecoder and a voiceband coderdecoder.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for reducing the level of residual aldehydes in coatings formed on flexible substrates or on substantially aldehyde free substrates comprising applying to the substrate one or more aqueous emulsion or suspension composition of (i) an acrylic polymer or silicon containing polymer that is made from, contains or degrades on storage or in use to form a lower alkyl alcohol, and (ii) one or more water-insoluble to slightly water soluble aldehyde scavenger compound in the amount of from 1 to 10 molar equivalents based on the number of molar equivalents of free aldehyde found in the polymer, the compound chosen from aminoguanidine bicarbonate (AGB), guanamine bicarbonate, aminoguanidine (di)borate, guanamine (di)borate, aminoguanidine metaphosphate, guanamine metaphosphate, aminoguanidine polyphosphate, guanamine polyphosphate, a dihydrazide of a C6-C18 (aryl)alkyl dicarboxylic acid, a fatty acid salt of aminoguanidine, a fatty acid salt of a guanamine, a C6-C12 carboxylic acid salt of aminoguanidine, a C6-C12 carboxylic acid salt of a guanamine, an aromatic carboxylic acid salt of aminoguanidine, an aromatic carboxylic acid salt of a guanamine, an unsaturated carboxylic acid salt of aminoguanidine, an unsaturated carboxylic acid salt of a guanamine, a C1-C18 alkyl substituted aminoguanidine, a C1-C18 alkyl substituted guanamine, a C6-C18 (alkyl)aryl substituted aminoguanidine, and a C6-C18 (alkyl)aryl substituted guanamine, wherein the aqueous composition has a pH of 6 or greater, and
drying the applied composition to form a coating on the substrate,
whereby aldehyde emissions from thus formed coating or the resulting coated substrate are reduced.
2. The method as claimed in claim 1, wherein the silicon containing polymer comprises one or more silanol or alkoxysilane group, a silicon containing polymer composition containing nonionic surfactants, or one or more acrylic polymer that is the (co)polymerization product of any one or more C1-C6 alkyl (meth)acrylate, C1-C6 hydroxyalkyl (meth)acrylate, C1-C6 aminoalkyl (meth)acrylate, glycolated or ethoxylated (meth)acrylate, or (poly)alkoxylated (meth)acrylate.
3. The method as claimed in claim 1, wherein the one or more aqueous emulsion or suspension comprises one or more silicon containing polymer, and one or more nonionic surfactant.
4. The method as claimed in claim 3, wherein the nonionic surfactant is chosen from alkyl polyalkoxy ethers, alkoxylated fatty alcohols, polyalkoxylated glycerides, polyether modified siloxanes, alkoxylated polysiloxanes and alkoxylated organic group treated silicas.
5. The method as claimed in claim 4, wherein the nonionic surfactant is a C12-C14 secondary alcohol ethoxylate.
6. The method as claimed in claim 1, wherein the water-insoluble to slightly water soluble aldehyde scavenger compound is chosen from aminoguanidine bicarbonate (AGB), and adipoyl dihydrazide.
7. The method as claimed in claim 1, wherein the aqueous emulsion or suspension composition is substantially free of solvent.
8. The method as claimed in claim 1, wherein the substrate is tanned leather, finished leather, or a substantially aldehyde free substrate chosen from wood, cementitious substrates, ceramics, heat resistant fibers, heat resistant nonwovens, and flexible plastics.
9. A coated or treated substrate formed by the method as claimed in claim 1.