參數(shù)資料
型號: HYE18P32160AC-15
廠商: INFINEON TECHNOLOGIES AG
英文描述: M39012 MIL RF CONNECTOR
中文描述: 32M的同步突發(fā)的CellularRAM
文件頁數(shù): 18/53頁
文件大?。?/td> 1426K
代理商: HYE18P32160AC-15
HYE18P32160AC(-/L)9.6/12.5/15
32M Synchronous Burst CellularRAM
Functional Description
Data Sheet
18
V2.0, 2003-12-16
2
Functional Description
2.1
Power-Up and Initialization
The power-up and initialization sequence guarantees that the device is preconditioned to the user’s specific
needs. Like conventional DRAMs, the CellularRAM must be powered up and initialized in a predefined manner.
V
DD
and
V
DDQ
must be applied at the same time to the specified voltage while the input signals are held in
“DESELECT” state (CS = High).
After power on, an initial pause of 150
μ
s is required prior to the control register access or normal operation. Failure
to follow these steps may lead to unpredictable start-up modes.
Please note the default operation mode after power up is the asynchronous SRAM I/F mode (see
Chapter 2.4
).
Figure 4
Power Up Sequence
VDD, VDDQ
t
PU
=150μ
s
ready for normal
operation
VDD,VDDQ,min
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