attiny13-20ss ATMEL Corporation, attiny13-20ss Datasheet - Page 122

• Manufacturer Part Number: attiny13-20ss
• Description: 8-bit Microcontroller With 1k Bytes In-system Programmable Flash - Atmel Corporation
• Manufacturer: ATMEL Corporation

External Clock Drive Waveforms
Figure 61. External Clock Drive Waveforms
External Clock Drive
Table 57. External Clock Drive
122
Symbol
1/t
t
t
t
t
t
(
CLCL
CHCX
CLCX
CLCH
CHCL
t
CLCL
CLCL
ATtiny13
Parameter
Clock Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from one clock cycle to the next
V
IL1
V
IH1
V
1000
Min.
400
400
CC
0
= 1.8 - 5.5V
Max.
2.0
2.0
4
2
V
Min.
104
CC
50
50
0
= 2.7 - 5.5V
Max.
1.6
1.6
10
2
V
Min.
62.5
CC
25
25
0
= 4.5 - 5.5V
Max.
0.5
0.5
20
2535G–AVR–01/07
2
Units
MHz
ns
ns
ns
µs
µs
%