is43r32800b Integrated Silicon Solution, Inc., is43r32800b Datasheet - Page 36
is43r32800b
Manufacturer Part Number
is43r32800b
Description
8mx32 256mb Ddr Synchronous Dram
Manufacturer
Integrated Silicon Solution, Inc.
Datasheet
1.IS43R32800B.pdf
(39 pages)
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IS43R32800B
36
S ELF
Self -refresh mode is entered by issuing a REF S command (/CS=/RA S=/CAS =L ,/WE =H,C KE =L ).
Once the self-refresh is initiated, it is maintained as long as C KE is kept low. During the self-
refresh mode, CK E i s asynchronous and the only enable input , all other inputs including CL K a re
disabled and ignored, so that power consumption dueto synchronous inputs is saved. T o exit the
self-refresh, supplying stable CLK inputs, asserting DESEL or NOP command and then asserting
CK E f or longer than tX SNR/ tXSRD.
BA 0,1
A0-1 1
/RAS
/CAS
/CLK
CL K
CK E
REFRESH
/WE
/CS
Self Refresh Exit
Self-R efresh
Integrated Silicon Solution, Inc. — www.issi.com
tX SN R
X
X
tX SR D
Y
Y
Rev. 00D
03/19/08