at94k40al ATMEL Corporation, at94k40al Datasheet - Page 176

• Manufacturer Part Number: at94k40al
• Description: At94kal Series Field Programmable System Level Integrated Circuit
• Manufacturer: ATMEL Corporation

6.2
176
External Clock Drive Waveforms
AT94KAL Series FPSLIC
Figure 6-3.
Table 6-5.
Note:
Symbol
1/t
t
t
t
t
t
CLCL
CHCX
CLCX
CLCH
CHCL
CLCL
1. For AT94K05AL and AT94K10AL, the maximum oscillator frequency is 25 MHz. For
AT94K40AL, the maximum oscillator frequency is 18 MHz.
VIL1
External Clock Drive Waveforms
External Clock Drive, V
VIH1
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
CC
= 3.0V to 3.6V
Minimum
40
15
15
0
–
–
Maximum
25/18
1.6
1.6
–
–
–
(1)
Units
1138I–FPSLI–1/08
MHz
ns
ns
ns
µs
µs