TS80C54 ATMEL [ATMEL Corporation], TS80C54 Datasheet - Page 55
TS80C54
Manufacturer Part Number
TS80C54
Description
8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.TS80C54.pdf
(62 pages)
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19.5.11
Table 19-15. AC Parameters
19.5.12
4431E–8051–04/06
External Clock Drive Characteristics (XTAL1)
External Clock Drive Waveforms
0 . 4 5 V
V
C C
- 0 . 5 V
Figure 19-11. External Clock Drive Waveforms
T
CHCX
Symbol
T
T
T
T
T
CHCX
CLCH
CHCL
CLCL
CLCX
/T
CLCX
0 . 2 V
0 . 7 V
Oscillator Period
High Time
Low Time
Rise Time
Fall Time
Cyclic ratio in X2 mode
C C
T
C C
C H C L
- 0 . 1 V
Parameter
T
C L C X
T
C L C L
T
C L C H
T
C H C X
Min
25
40
5
5
AT/TS8xC54/8X2
Max
60
5
5
Units
ns
ns
ns
ns
ns
%
55
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