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參數(shù)資料
| 型號： | NMC27C64QE |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 65,536-BIT (8192 X 8) CMOS EPROM |
| 中文描述： | 65,536位（8192 × 8）的CMOS存儲器 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 175K |
| 代理商： | NMC27C64QE |
6
www.fairchildsemi.com
NMC27C64 Rev. C
N
Programming Waveforms
(Note 13)
Note 11:
Fairchild
’
s standard product warranty applies to devices programmed to specifications described herein.
Note 12:
V
must be applied simultaneously or before V
PP
and removed simultaneously or after V
PP
. The EPROM must not be inserted into or removed from a board with
voltage applied to V
PP
or V
CC
.
Note 13:
The maximum absolute allowable voltage which may be applied to the V
pin during programming is 14V. Care must be taken when switching the V
supply to
prevent any overshoot from exceeding this 14V maximum specification. At least a 0.1 F capacitor is required across V
PP
, V
CC
to GND to suppress spurious voltage transients
which may damage the device.
Note 14:
Programming and program verify are tested with the interactive Program Algorithm, at typical power supply voltages and timings.
t
AS
t
AH
Program
Program
Verify
Address N
t
DF
Data Out Valid
Add N
Data In Stable
Add N
Hi-Z
t
DS
t
DH
t
VCS
t
VPS
t
CES
t
PW
t
OES
t
OE
2V
2V
0.8V
2V
0.8V
2V
0.8V
6.0V
13.0V
0.8V
ADDRESS
DATA
V
CC
CE
OE
V
PP
PGM
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