LP80C32 查看數據表（PDF） - Intel
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LP80C32 Datasheet PDF : 23 Pages
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8XC52 54 58
EXTERNAL CLOCK DRIVE
Symbol
Parameter
1 TCLCL
Oscillator Frequency
8XC5X
8XC5X-1
8XC5X-2
8XC5X-24
8XC5X-33
TCHCX
High Time
8XC5X-24 33
TCLCX
Low Time
8XC5X-24 33
TCLCH
Rise Time
8XC5X-24
8XC5X-33
TCHCL
Fall Time
8XC5X-24
8XC5X-33
Min
35
35
05
35
35
20
0 35 TOSC
20
0 35 TOSC
EXTERNAL CLOCK DRIVE WAVEFORM
Max
12
16
12
24
33
0 65 TOSC
0 65 TOSC
20
10
5
20
10
5
Units
MHz
MHz
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
AC TESTING INPUT OUTPUT WAVEFORMS
FLOAT WAVEFORMS
272336 – 16
272336 – 19
AC Inputs during testing are driven at VCCb0 5V for a Logic ‘‘1’’
and 0 45V for a Logic ‘‘0’’ Timing measurements are made at VIH
min for a Logic ‘‘1’’ and VIL max for a Logic ‘‘0’’
272336 – 20
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 VOH VOL level occurs
IOL IOH e g20 mA
18
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