參數(shù)資料
型號: MB811171622A-67
廠商: Fujitsu Limited
英文描述: CMOS 2×512K×16 Bit Synchronous Dynamic RAM(CMOS 2×512K×16 位同步動態(tài)RAM)
中文描述: 的CMOS為512k × 2 × 16位同步動態(tài)隨機存儲器(2 ×的CMOS為512k × 16位同步動態(tài)RAM)的
文件頁數(shù): 16/43頁
文件大小: 601K
代理商: MB811171622A-67
16
MB811171622A-125/-100/-84/-67
MINIMUM CLOCK LATENCY OR DELAY TIME FOR 2 BANK OPERATION
Notes:
*1.
Assume opposite bank is in idle state.
Assume opposite bank is in active state.
Assume no I/O conflict.
If t
RP
t
CK
, minimum latency is a sum of BL + CL.
Assume PALL command dose not affect any operation on opposite bank.
Assume Output is in High-Z sate.
Assume t
RAS
of opposite bank is satisfied.
*2.
*3.
*4.
*5.
*6.
*7.
Illegal Command
Second
command
(opposite
bank)
First
command
MRS
l
MRD
l
MRD
l
MRD
l
MRD
ACTV
*1
t
RRD
*2
1
*2
1
*2
1
*2
1
*7
1
t
RAS
READ
*1
1
*2
1
*2
1
*2
*3
1
*2
*3
1
*7
1
t
RAS
READA
*1
1
1
*1
*4
BL +
t
RP
*1
*4
BL +
t
RP
WRIT
*1
1
*2
1
*2
1
*2
1
*2
1
*7
1
t
RAS
WRITA
*1
1
1
*1
BL + 1
+ t
RP
*1
BL + 1
+ t
RP
PRE
*1
t
RP
*1
1
*2
1
*2
1
*2
1
*2
1
1
t
RAS
*1
t
RP
*1
t
RP
*5
PALL
t
RP
*1
t
RP
1
1
*1
*6
t
RP
*1
*6
t
RP
REF
t
RC
t
RC
t
RC
t
RC
SELF
t
RC
t
RC
t
RC
t
RC
M
A
R
R
W
W
P
P
R
S
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