參數(shù)資料
型號: MC68838FCC
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 1 CHANNEL(S), 125M bps, FDDI CONTROLLER, CQFP120
封裝: CERAMIC, QFP-120
文件頁數(shù): 87/100頁
文件大?。?/td> 465K
代理商: MC68838FCC
MOTOROLA
MC68838 USER’S MANUAL
11-1
This device contains protective
circuitry against damage due to
high static voltages or electrical
fields; however, it is advised that
normal precautions be taken to
avoid application of any voltages
higher
than
maximum-rated
voltages to this high-impedance
circuit. Reliability of operation is
enhanced if unused inputs are
tied to an appropriate logic
voltage level (e.g., either GND or
VCC).
SECTION 11
ELECTRICAL CHARACTERISTICS
The AC characteristics presented consist of output delays, input setup and hold times,
and signal skew times. All signals are specified relative to an appropriate edge of the
clock(s) and possibly to one or more other signals.
11.1 MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Supply Voltage
VCC
–0.5 to 5.5
V
Input Voltage
Vin
–1.5 to VCC + 1.5
V
Output Voltage
Vout
–0.5 to VCC + 0.5
V
DC Current Drain Per Pin
I
25
mA
DC Current Drain VCC and GND Pins
I
75
mA
Lead Temperature, Soldering (10 sec)
TL
300
°C
Storage Temperature Range
Tstg
–65 to +150
°C
11.2 RECOMMENDED OPERATING
CONDITIONS
Characteristic
Symbol
Value
Unit
DC Supply Voltage
VCC
4.5 to 5.5
V
DC Input and Output Voltage
Vin, Vout
0.0 to VCC
V
Ambient Temperature
TA
0 to 70
°C
11.3 THERMAL CHARACTERISTICS
Characteristic
Symbol
Value
Unit
Thermal Resistance for PGA
Junction to Ambient (Free Air)
θJA
41.6
°C/W
Thermal Resistance for QFP
Junction to Ambient (Free Air)
θJA
43.9
°C/W
ARCHIVE
INFORMA
TION
ARCHIVE
INFORMA
TION
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