參數(shù)資料
型號: UPD4664312F9-BE75X-CR2
廠商: NEC Corp.
英文描述: 64M-BIT CMOS MOBILE SPECIFIED RAM 4M-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION
中文描述: 6400位CMOS移動指明內(nèi)存分詞由16位溫度范圍
文件頁數(shù): 8/36頁
文件大?。?/td> 299K
代理商: UPD4664312F9-BE75X-CR2
Preliminary Data Sheet M15867EJ5V0DS
8
μ
PD4664312-X
1. Initialization
Initialize the
μ
PD4664312-X at power application using the following sequence to stabilize internal circuits.
(1) Following power application, make MODE high level after fixing MODE to low level for the period of t
VHMH
. Make
/CS high level before making MODE high level.
(2) /CS and MODE are fixed to high level for the period of t
MHCL
.
Normal operation is possible after the completion of initialization.
Figure1-1. Initialization Timing Chart
/CS (Input)
V
CC
MODE (Input)
t
MHCL
Initialization
t
CHMH
t
VHMH
V
CC
(MIN.)
Normal Operation
Cautions 1. Make MODE low level when starting the power supply.
2. t
VHMH
is specified from when the power supply voltage reaches the prescribed minimum value (V
CC
(MIN.)).
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