T89C51CC01 Atmel, T89C51CC01 Datasheet - Page 158

• Manufacturer Part Number: T89C51CC01
• Description: Enhanced 8-Bit Microcontroller
• Manufacturer: Atmel

External Clock Drive
Waveforms
AC Testing Input/Output
Waveforms
Float Waveforms
158
T89C51CC01
AC inputs during testing are driven at V
Timing measurement are made at 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 V
occurs. I
INPUT/OUTPUT
OL
0.45V
V
/I
CC
OH
-0.5V
≥ ± 20 mA.
0.2V
0.7V
V
CC
CC
CC
0.45V
-0.1
T
-0.5V
V
V
CHCL
OH
OL
+ 0.1 V
- 0.1 V
IH
min for a logic “1” and V
CC
FLOAT
V
LOAD
- 0.5 for a logic “1” and 0.45V for a logic “0”.
T
CLCX
0.2 V
0.2 V
CC
CC
T
+ 0.9
- 0.1
CLCL
V
V
IL
LOAD
LOAD
max for a logic “0”.
T
CLCH
+ 0.1 V
- 0.1 V
T
CHCX
4129K–CAN–01/05
OH
/V
OL
level