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Ultra Low Leakage Libraries, built with thick IO oxide, provide up to 100X leakage reduction and are used for implementing always-on blocks of logic that can be directly connected to energy sources such as LiON batteries for high voltage operation. The libraries come with level shifters to interface to standard voltage domain logic blocks and memories.
Figure 1: Long Channels and IO Oxide for Lowest Leakage
Figure 2: Always-on ULL Control Block Directly Connected to Battery or Switching Regulator for LDO Control
Highlights & Key Features
- Easy to Use
- Standard synthesis, place and route design flow
- Connect directly to LiON cells without voltage regulator power drain
- Build as separate block for pitch matching
- Characterized with same VTs, PVTs as base libraries
- Include level shifters to other standard voltage domains
Features
+
- Rich Cell Sets
- Combinational circuits for Boolean functions
- Sequential (flip-flops) with retention
- Clock cells
- Level shifters to core voltage PVTs
- Isolation cells for managing power down
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