參數(shù)資料
型號: HN58C66
廠商: Hitachi,Ltd.
英文描述: 8192-word ×8-bit Electrically Erasable and Programmable CMOS ROM(8k字×8位 EEPROM)
中文描述: 8192字× 8位電可擦除和可編程的CMOS光盤(8K的字× 8位的EEPROM)
文件頁數(shù): 7/19頁
文件大?。?/td> 172K
代理商: HN58C66
HN58C66 Series
7
Read Cycle
Parameter
Symbol
Min
Max
Unit
Test Conditions
CE
=
OE
= V
IL
,
WE
= V
IH
OE
= V
IL
,
WE
= V
IH
CE
= V
IL
,
WE
= V
IH
CE
= V
IL
,
WE
= V
IH
CE
=
OE
= V
IL
,
WE
= V
IH
CE
=
OE
= V
IL
,
WE
= V
IH
CE
=
OE
= V
IL
,
WE
= V
IH
Address to output delay
CE
to output delay
OE
to output delay
OE
(
CE
)
high to output float
*1
RES
low to output float
*1
t
ACC
t
CE
t
OE
t
DF
t
DFR
t
OH
t
RR
250
ns
250
ns
10
100
ns
0
90
ns
0
350
ns
Data output hold
RES
to output delay
Note:
1. t
DF
, t
DFR
is defined at which the outputs achieve the open circuit conditions and are no longer driven.
0
ns
0
450
ns
Read Timing Waveform
Address
CE
OE
WE
Data Out
High
Data Out Valid
t
ACC
t
CE
t
OE
t
OH
t
DF
t
RR
t
DFR
RES
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