TSC80C51TXXX-20CD 查看數據表（PDF） - Temic Semiconductors
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TSC80C51TXXX-20CD Datasheet PDF : 19 Pages
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External Clock Drive Characteristics (XTAL1)
SYMBOL
FCLCL
TCLCL
TCHCX
TCLCX
TCLCH
TCHCL
PARAMETER
Oscillator Frequency
Oscillator period
High Time
Low Time
Rise Time
Fall Time
MIN
22.7
5
5
External Clock Drive Waveforms
TSC80C31/80C51
MAX
44
5
5
UNIT
MHz
ns
ns
ns
ns
ns
AC Testing Input/Output Waveforms
AC inputs during testing are driven at Vcc – 0.5 for a logic
“1” and 0.45 V for a logic “0”. Timing measurements are
made at VIH min for a logic “1” and VIL max for a logic
“0”.
Float Waveforms
For timing purposes as 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 ≥ ± 20 mA.
MATRA MHS
17
Rev. E (14 Jan.97)
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