AT94K ATMEL Corporation, AT94K Datasheet - Page 165

• Manufacturer Part Number: AT94K
• Description: 5K - 40K Gates of At40k FPGA with 8-bit Microcontroller, up to 36K Bytes of SRAM and On-chip JTAG ICE
• Manufacturer: ATMEL Corporation

External Clock
Drive Waveforms
Rev. 1138F–FPSLI–06/02
Figure 85. External Clock Drive Waveforms
Table 52. External Clock Drive, V
Symbol
1/t
t
t
t
t
t
CLCL
CHCX
CLCX
CLCH
CHCL
CLCL
VIL1
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
–
–
AT94K Series FPSLIC
Maximum
1.6
1.6
25
–
–
–
Units
MHz
ns
ns
ns
µs
µs
165