參數(shù)資料
型號： UPD46128512-E9X
廠商： NEC Corp.
英文描述： 128M-BIT CMOS MOBILE SPECIFIED RAM 8M-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION
中文描述： 128兆位CMOS移動指明內(nèi)存800萬字由16位溫度范圍
文件頁數(shù)： 10/82頁
文件大小： 817K
代理商： UPD46128512-E9X
Preliminary Data Sheet M17507EJ2V0DS
10
μ
PD46128512-X
Initialization Timing 2
(1) Following power application, make CE2 and /CE1 HIGH for the period of t
MHCL
.
Normal operation is possible after the completion of initialization.
Figure 1-2. Initialization Timing Chart 2
t
MHCL
/CE1 (Input)
CE2 (Input)
Intialization
Nomal Operation
V
CC
, V
CC
Q
V
CC
(MIN.), V
CC
Q (MIN.)
Cautions 1. t
MHCL
is specified from when the power supply voltage reaches the prescribed minimum value
(V
CC
(MIN.), V
CC
Q (MIN.)).
2. If the period from power supplying to value V
CC
(MIN.), V
CC
Q (MIN.) is beyond 10 ms or power
supply is not stable rise, should be used Initialization Timing Chart 1.
Initialization Timing 2
Parameter
Symbol
MIN.
MAX.
Unit
Following power application /CE1, CE2 HIGH hold to /CE1 LOW
t
MHCL
300
μ
s
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