EM68932DVKB
EtronTech
z DEEP POWER DOWN
Deep Power Down achieves maximum power reduction by eliminating the power of the whole memory
array and surrounding circuitry. Data will not be retained in the memory storage array, the Mode Register,
or the Extended Mode Register once the device enters Deep Power Down mode.
This mode is entered by having all banks idle then
and
held Low with
and
held High
CAS
CS
WE
RAS
at the rising edge of the clock, while CKE is Low. This mode is exited by asserting CKE High, applying
only NOP commands for 200 microseconds, and then continuing with steps 4 through 11 of the Power Up
and Initialization sequence..
Etron Confidential
13
Rev. 1.0
Aug. 2009
ETRON [ ETRON TECHNOLOGY, INC. ]
