參數(shù)資料
型號: TMS6641648A
廠商: Texas Instruments, Inc.
英文描述: 4 194 304 BY 4-BIT/2 097 152 BY 8-BIT/1 048 576 BY 16-BIT BY 4-BANK SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORIES
中文描述: 4 194 304 4位/ 2 097 152 8位/ 1 048 576由16位4,銀行同步動態(tài)隨機存取記憶體
文件頁數(shù): 33/56頁
文件大小: 958K
代理商: TMS6641648A
T
4
S
S
P
3
A9 = V
A7, A8 = V
A0–A6 = V
(see Note A)
P
tIS
tCK
Mode
CKE
CS
DQMx
DQ
A0–A9
A11–A13
A10
W
CAS
RAS
VCC
VCCQ
CLK
New Command
Can Start Entering Here
MRS
Command
REFR #8
Command
REFR #1
Command
DCAB
Command
200
μ
s
tRSA
tRC
Hi–Z
tIH
Time Lapse
Time Lapse
Time Lapse
NOTE A: Refer to the section titled “Setting the Mode Register”.
Figure 24. Power-Up Sequence
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