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參數(shù)資料
| 型號： | INTEL82802AB |
| 廠商： | Intel Corp. |
| 英文描述： | Firmware Hub (FWH) |
| 中文描述： | 固件集線器（固件樞紐） |
| 文件頁數(shù)： | 16/53頁 |
| 文件大?。?/td> | 471K |
| 代理商： | INTEL82802AB |
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Intel
82802AB/AC Firmware Hub
R
16
Datasheet
Interface
Symbol
Type
Intel
FWH
A/A Mux
Name and Function
V
PP
PWR
X
X
Block Erase/Program Power Supply.
For erasing array blocks or
programming data. V
PP
=
3.3 V or 12 V V
PP
. With V
PP
≤
V
PPLK
,
memory contents cannot be altered. Attempting a block erase or
program with an invalid V
PP
(see DC Characteristics) will produce
spurious results and should not be attempted. V
PP
may only be held
at 12 V for 80 hours over the lifetime of the device.
V
CC
PWR
X
X
Device Power Supply.
Internal detection automatically configures
the device for optimized read performance. Do not float any power
pins. With V
CC
≤
V
LKO
, all attempts to write to flash memory are
inhibited. Device operations at invalid V
CC
voltages (see DC
Characteristics) produce spurious results and should not be
attempted.
GND
PWR
X
X
Ground.
Do not float any ground pins.
V
CCa
PWR
X
X
Analog Power Supply.
This supply should share the same system
supply as V
CC
.
GND
a
PWR
X
X
Analog Ground.
Should be tied to same plane as GND.
RFU
X
Reserved For Future Use.
These pins are reserved for future
generations of this product. They may be left disconnected or driven.
If they are driven, the voltage levels should satisfy V
IH
and V
IL
requirements.
A/A Mux = DQ[7:4]
NC
X
X
No Connect.
Pin may be driven or floated. If it is driven, the voltage
levels should satisfy V
IH
and V
IL
. No connects appear only on the
40ld TSOP package.
Ry/By#
0
X
Ready/Busy.
Valid only in A/A Mux Mode. This output pin is a
reflection of bit 7 in the Status Register. This pin is used to
determine block erase or program completion.
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