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參數資料
| 型號： | 97CFDC |
| 廠商： | SMSC Corporation |
| 英文描述： | USB FLOPPY DISK CONTROLLER |
| 中文描述： | 軟盤控制器的USB |
| 文件頁數： | 3/20頁 |
| 文件大?。?/td> | 143K |
| 代理商： | 97CFDC |
SMSC DS – USB97CFDC
Page 11
Rev. 12/15/2000
DC PARAMETERS
MAXIMUM GUARANTEED RATINGS
Operating Temperature Range ...........................................................................................................................0
oC to +70oC
Storage Temperature Range ........................................................................................................................... -55
o to +150oC
Lead Temperature Range (soldering, 10 seconds).....................................................................................................+325
oC
Positive Voltage on any pin, with respect to Ground (Note 1)...................................................................................Vcc+0.3V
Negative Voltage on any pin, with respect to Ground .................................................................................................... -0.3V
Maximum Vcc .................................................................................................................................................................. +3.6V
Note 1: Maximum voltage on all I type Inputs and the IS inputs, OD12 and OD24 outputs for floppy disk drive interface is
5.25V
*Stresses above the specified parameters could cause permanent damage to the device. This is a stress rating only
and functional operation of the device at any other condition above those indicated in the operation sections of this
specification is not implied.
Note 2: When powering this device from laboratory or system power supplies, it is important that the Absolute Maximum
Ratings not be exceeded or device failure can result. Some power supplies exhibit voltage spikes on their outputs when
the AC power is switched on or off. In addition, voltage transients on the AC power line may appear on the DC output.
When this possibility exists, it is suggested that a clamp circuit be used.
DC ELECTRICAL CHARACTERISTICS (TA = 0°C - 70°C, Vcc = +3.3 V ± 10%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
COMMENTS
I Type Input Buffer
Low Input Level
High Input Level
VILI
VIHI
2.0
0.8
V
TTL Levels
ICLK Input Buffer
Low Input Level
High Input Level
VILCK
VIHCK
2.2
0.4
V
Input Leakage
(All I and IS buffers)
Low Input Leakage
High Input Leakage
IIL
IIH
-10
+10
uA
VIN = 0
VIN = VCC
O8 Type Buffer
Low Output Level
High Output Level
Output Leakage
VOL
VOH
IOL
2.4
-10
0.4
+10
V
UA
IOL = 8 mA
IOH = -4 mA
VIN = 0 to VCC (Note 1)
I/O8 Type Buffer
Low Output Level
High Output Level
Output Leakage
VOL
VOH
IOL
2.4
-10
0.4
+10
V
A
IOL = 8mA
IOH = -4mA
VIN = 0 to Vcc (Note 1)
OD12 Type Buffer
Low Output Level
Output Leakage
VOL
IOL
-10
0.4
+10
V
A
IOL = 12mA
VIN = 0 to Vcc (Note 1)
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