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T89C51RD2-3CSIM View Datasheet(PDF) - Atmel Corporation

Part Name
Description
Manufacturer
T89C51RD2-3CSIM
Atmel
Atmel Corporation 
T89C51RD2-3CSIM Datasheet PDF : 104 Pages
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Float Waveforms
T89C51RD2
AC inputs during testing are driven at VCC - 0.5 for a logic 1and 0.45V for a logic 0.
Timing measurement are made at VIH min for a logic 1and VIL max for a logic 0.
FLOAT
VOH - 0.1 V
VOL + 0.1 V
VLOAD
VLOAD + 0.1 V
VLOAD - 0.1 V
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 ≥ ± 20mA.
93
4243G805105/03

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