參數(shù)資料
型號(hào): HYE18P32160ACL15
廠商: INFINEON TECHNOLOGIES AG
英文描述: JT 23C 21#20 2#16 SKT PLUG
中文描述: 32M的同步突發(fā)的CellularRAM
文件頁(yè)數(shù): 38/53頁(yè)
文件大小: 1426K
代理商: HYE18P32160ACL15
HYE18P32160AC(-/L)9.6/12.5/15
32M Synchronous Burst CellularRAM
Functional Description
Data Sheet
38
V2.0, 2003-12-16
2.7.2
While in synchronous burst operation, the bus interface may need to be assigned to other memory transaction
sharing the same bus. Burst suspend mode is used to fulfill this operation. Keeping CS low (WAIT stays asserted
indicating valid data output on DQ pins, though they are tri-stated), burst suspend can be initiated with halted CLK.
CLK can stay at either high or low state.
As specified, duration of keeping CS low can not exceed
t
CSL
maximum, which is 10
μ
s, so that internal refresh
operation is able to run properly. In this event of exceeding
t
CSL
maximum, termination of burst by bringing CS to
high is strongly recommended instead of using burst suspend mode, then reissuing of the discontinued burst
command is required.
Burst Suspend
Figure 21
Burst Suspend
Don't Care
CS
OE
UB, LB
WE
DQ15-DQ0
t
AOE
t
HD
t
OD
A20-A0
Q0
ADR
CLK
WAIT
ADV
t
SP
t
VPH
t
CSS
Q1
Q2
Q3
t
CLK
t
CKH
t
CKL
t
KOH
t
WK
Q1
Latency Code2
t
SP
t
VP
t
ABA
t
CBPH
t
OL
t
CWT
t
WZ
t
ACLK
t
SP
t
HD
t
HD
t
OD
t
AOE
Burst Suspend
/CS low time in burst suspend should not exceed 10us
for internal refresh operation.
t
CSL
*1
*1: In case /OE being held low,
Q1 is maintained on DQ
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