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參數(shù)資料
| 型號： | 91C94 |
| 廠商： | SMSC Corporation |
| 英文描述： | ISA/PCMCIA SINGLE CHIP ETHERNET CONTROLLER WITH RAM |
| 中文描述： | 的ISA / PCMCIA的單芯片以太網(wǎng)控制器與RAM |
| 文件頁數(shù)： | 112/120頁 |
| 文件大?。?/td> | 447K |
| 代理商： | 91C94 |
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91
OPERATIONAL DESCRIPTION
MAXIMUM GUARANTEED RATINGS*
Operating Temperature Range .......................................................................................... 0°C to 70°C
Storage Temperature Range ...................................................................................... -55°C to +150°C
Lead Temperature Range (soldering, 10 seconds) ................................................................... +325°C
Positive Voltage on any pin, with respect to Ground ............................................................VCC + 0.3V
Negative Voltage on any pin, with respect to Ground ................................................................... -0.3V
Maximum VCC ............................................................................................................................... +7V
*Stresses above those listed above 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: 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. If this possibility exists, it is suggested
that a clamp circuit be used.
DC ELECTRICAL CHARACTERISTICS (TA = 0°C to 70°C, VCC = +5.0 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
IS Type Input Buffer
Low Input Level
High Input Level
Schmitt Trigger Hysteresis
VILIS
VIHIS
VHYS
2.2
250
0.8
V
mV
Schmitt Trigger
ICLK Input Buffer
Low Input Level
High Input Level
VILCK
VIHCK
3.0
0.4
V
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