參數(shù)資料
型號(hào)： M5M4V16G50DFP-8
廠商： Mitsubishi Electric Corporation
英文描述： 16M (2-BANK x 262144-WORD x 32-BIT) Synchronous Graphics RAM
中文描述： 1,600（2 -銀行甲262144字× 32位）同步圖形RAM
文件頁(yè)數(shù)： 27/33頁(yè)
文件大小： 167K
代理商： M5M4V16G50DFP-8
M5M4V16G50DFP -8, -10, -12
Jan'97
Preliminary
MITSUBISHI LSIs
16M (2-BANK x 262144-WORD x 32-BIT) Synchronous Graphics RAM
MITSUBISHI ELECTRIC
SGRAM (Rev. 0.0)
SELF REFRESH
Self-refresh mode is entered by issuing a REFS command (/CS= /RAS= /CAS= DSF= L, /WE= H,
CKE= L). Once the self-refresh is initiated, it is maintained as long as CKE is kept low. During the self-
refresh mode, CKE is asynchronous and the only enabled input (but asynchronous), all other inputs
including CLK are disabled and ignored, and power consumption due to synchronous inputs is saved. To
exit the self-refresh, supplying stable CLK inputs, asserting DESEL or NOP command and then asserting
CKE (REFSX). After tRC from REFSX both banks are in the idle state and a new command can be
issued after tRC, but DESEL or NOP commands must be asserted until then.
Self-Refresh
CLK
/CS
/RAS
/CAS
/WE
CKE
A0-9
A10
Self Refresh Entry
Self Refresh Exit
X
0
minimum tRC
for recovery
Stable CLK
NOP
new command
DSF
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