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AR# 8812

**Obsolete** Spartan-II - What is the status of the device during power-down mode? (I/Os and memory)

Description

Keywords: Spartan-II, power, down, mode, state, status, IO, distributed, block, memory, configuration, register, retain

Urgency: Standard

General Description:
What is the status of the I/O pins, configuration memory, distributed RAM, and block RAM on a Spartan-II device in power-down mode?

Solution

NOTE: Only select early versions of Spartan-II devices have a functional power-down mode. Current production devices do not have a power-down mode. For a complete list of those devices, see (Xilinx Answer 10500).

Spartan-II power-down status summary:
- Outputs are in a high-z state and inputs are disabled.
- All I/O pull-ups and pull-downs are disabled.
- Configuration memory is retained.
- Distributed RAM content is retained.
- Block RAM content is retained.
- Data register values are retained.
AR# 8812
Date Created 08/31/2007
Last Updated 09/22/2005
Status Archive
Type ??????