TS80C54X2YYY-MICD Atmel Corporation, TS80C54X2YYY-MICD Datasheet - Page 55

• Manufacturer Part Number: TS80C54X2YYY-MICD
• Description: 8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP
• Manufacturer: Atmel Corporation

10.5.11 External Clock Drive Characteristics (XTAL1)
10.5.12 External Clock Drive Waveforms
10.5.13 AC Testing Input/Output Waveforms
AC inputs during testing are driven at V
are made at V
10.5.14 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 24. AC Testing Input/Output Waveforms
0.45 V
-0.5 V
V
V
Parameter
Figure 23. External Clock Drive Waveforms
CC
OH
OL
T
CC
CHCL
-0.1 V
-0.1 V
+0.1 V
CC
Figure 25. Float Waveforms
Table 38. 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
TS80C54X2/C58X2
TS87C54X2/C58X2
Max
60
5
5
Units
ns
ns
ns
ns
ns
%
55