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參數(shù)資料
| 型號： | D27C256 |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | 256 Kilobit (32,768 x 8-Bit) CMOS EPROM |
| 中文描述： | 256千比特（32,768 × 8位）的CMOS存儲(chǔ)器 |
| 文件頁數(shù)： | 12/12頁 |
| 文件大小： | 90K |
| 代理商： | D27C256 |
AMD
2-43
Am27C256
KEY TO SWITCHING TEST WAVEFORMS
Must Be
Steady
May
Change
from H to L
May
Change
from L to H
Does Not
Apply
Don’t Care,
Any Change
Permitted
Will Be
Steady
Will Be
Changing
from H to L
Will Be
Changing
from L to H
Changing
State
Unknown
Center
Line is High
Impedence
“Off” State
WAVEFORM
INPUTS
OUTPUTS
KS000010
SWITCHING WAVEFORMS
Addresses
CE
OE
Output
08007H-10
Addresses Valid
High Z
High Z
t
CE
Valid Output
2.4
0.45
2.0
0.8
2.0
0.8
t
ACC
(Note 1)
t
OE
t
DF
(Note 2)
t
OH
Notes:
1.
OE
may be delayed up to t
ACC
–t
OE
after the falling edge of the addresses without impact on t
ACC.
2. t
DF
is specified from
OE
or
CE
, whichever occurs first.
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