There are new usage models, and future OS versions, such as Windows Server 2016, that will leverage TPM 2.0. TPM 2.0 supports SHA1 and newer/stronger cryptography standards
Hierarchy: Three (platform, storage and endorsement)
NVRAM: Unstructured data, counter, bitmap, extend, PIN pass and fail
Architecture: A complete specification consists of a platform-specific specification which references a common four-part TPM 2.0 library