TS80C32X2 ATMEL Corporation, TS80C32X2 Datasheet - Page 39

• Manufacturer Part Number: TS80C32X2
• Description: 8-bit Microcontroller ROMless
• Manufacturer: ATMEL Corporation

7.5.9 External Clock Drive Characteristics (XTAL1)
7.5.10 External Clock Drive Waveforms
7.5.11 AC Testing Input/Output Waveforms
AC inputs during testing are driven at V
are made at V
7.5.12 Float Waveforms
Rev. C - 15 January, 2001
T
CHCX
INPUT/OUTPUT
Symbol
T
T
T
T
T
CHCX
CLCX
CLCH
CHCL
CLCL
/T
CLCX
0.45 V
V
IH
CC
-0.5 V
min for a logic “1” and V
Oscillator Period
High Time
Low Time
Rise Time
Fall Time
Cyclic ratio in X2 mode
V
0.2V
CC
0.7V
Figure 19. AC Testing Input/Output Waveforms
0.45 V
-0.5 V
V
V
Parameter
Figure 18. External Clock Drive Waveforms
CC
OH
OL
T
CC
CHCL
-0.1 V
-0.1 V
+0.1 V
CC
Figure 20. Float Waveforms
Table 27. AC Parameters
IL
FLOAT
- 0.5 for a logic “1” and 0.45V for a logic “0”. Timing measurement
V
max for a logic “0”.
LOAD
T
CLCX
0.2V
0.2V
CC
CC
+0.9
-0.1
T
Min
V
CLCL
V
25
40
5
5
LOAD
LOAD
T
CLCH
+0.1 V
-0.1 V
T
CHCX
TS80C31X2
Max
60
5
5
Units
ns
ns
ns
ns
ns
%
39