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參數資料
| 型號： | TN83C196MD |
| 廠商： | Intel Corp. |
| 英文描述： | INDUSTRIAL MOTOR CONTROL MICROCONTROLLER |
| 中文描述： | 工業(yè)電機控制微控制器 |
| 文件頁數： | 18/25頁 |
| 文件大?。?/td> | 1062K |
| 代理商： | TN83C196MD |
8XC196MD
EXTERNAL CLOCK DRIVE
Symbol
Parameter
Min
Max
Units
1/T
XLXL
Oscillator Frequency
8
16.0
MHz
T
XLXL
Oscillator Period
62.5
125
ns
T
XHXX
High Time
22
ns
T
XLXX
Low Time
22
ns
T
XLXH
Rise Time
10
ns
T
XHXL
Fall Time
10
ns
EXTERNAL CRYSTAL CONNECTIONS
272323–8
NOTE:
Keep oscillator components close to chip and use
short, direct traces to XTAL1, XTAL2 and V
SS
. When
using crystals, C1
e
20 pF, C2
e
20 pF. When using
ceramic resonators, consult manufacturer for recom-
mended circuitry.
EXTERNAL CLOCK CONNECTIONS
272323–9
*
Required if TTL driver used.
Not needed if CMOS driver is used.
EXTERNAL CLOCK DRIVE WAVEFORMS
272323–10
An external oscillator may encounter as much as a 100 pF load at XTAL1 when it starts-up. This is due to
interaction between the amplifier and its feedback capacitance. Once the external signal meets the V
IL
and
V
IH
specifications the capacitance will not exceed 20 pF.
AC TESTING INPUT, OUTPUT WAVEFORMS
272323–11
AC Testing inputs are driven at 3.5V for a Logic ‘‘1’’ and 0.45V for
a Logic ‘‘0’’. Timing measurements are made at 2.0V for a Logic
‘‘1’’ and 0.8V for a Logic ‘‘0’’.
FLOAT WAVEFORMS
272323–12
For Timing Purposes a Port Pin is no Longer Floating when a
100 mV change from Load Voltage Occurs and Begins to Float
when a 100 mV change from the Loaded V
OH
/V
OL
Level occurs
I
OL
/I
OH
e
g
15 mA.
18
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