AT89C51CC02CA-TDSUM ATMEL [ATMEL Corporation], AT89C51CC02CA-TDSUM Datasheet - Page 144

• Manufacturer Part Number: AT89C51CC02CA-TDSUM
• Description: Enhanced 8-bit Microcontroller with CAN Controller and Flash
• Manufacturer: ATMEL [ATMEL Corporation]

Shift Register Timing Waveforms
External Clock Drive
Characteristics (XTAL1)
External Clock Drive
Waveforms
AC Testing Input/Output Waveforms
Float Waveforms
144
AT/T89C51CC02
INSTRUCTION
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
CLEAR RI
T
QVXH
0
Table 119. AC Parameters
AC inputs during testing are driven at V
Timing measurement are made at V
T
INPUT/OUTPUT
CHCX
Symbol
T
T
T
T
T
T
XHDV
CHCX
CLCH
CHCL
CLCL
CLCX
/T
1
0
CLCX
0.45V
VALID
T
XLXL
V
CC
-0.5V
Parameter
Oscillator Period
High Time
Low Time
Rise Time
Fall Time
Cyclic ratio in X2 Mode
T
XHQX
2
1
VALID
T
0.2V
3
XHDX
2
VALID
0.7V
V
CC
CC
V
V
0.45 V
CC
-0.1
T
-0.5V
OH
OL
CHCL
+ 0.1V
- 0.1V
4
3
VALID
IH
min for a logic “1” and V
FLOAT
CC
V
5
4
LOAD
VALID
- 0.5 for a logic “1” and 0.45V for a logic “0”.
T
CLCX
6
5
VALID
Min
0.2 V
0.2 V
25
40
5
5
CC
CC
7
6
T
VALID
+ 0.9
- 0.1
CLCL
V
V
LOAD
LOAD
IL
SET TI
SET RI
max for a logic “0”.
T
8
CLCH
7
+ 0.1V
- 0.1V
Max
VALID
T
60
CHCX
5
5
4126J–CAN–05/06
Units
ns
ns
ns
ns
ns
%