Cypress CY8C24223A Manual Do Utilizador
CY8C24223A, CY8C24423A
Document Number: 3-12029 Rev. *E
Page 26 of 31
AC Analog Output Buffer Specifications
The following tables list guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40°C
and -40°C
≤ T
A
≤ 125°C. Typical parameters apply to 5V at 25°C and are for design guidance only.
AC External Clock Specifications
The following tables list guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40°C
and -40°C
≤ T
A
≤ 125°C. Typical parameters apply to 5V at 25°C and are for design guidance only.
AC Programming Specifications
The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40°C
and -40°C
≤ T
A
≤ 125°C. Typical parameters apply to 5V at 25°C and are for design guidance only.
Table 25. AC Analog Output Buffer Specifications
Symbol
Description
Min
Typ
Max
Units
T
ROB
Rising Settling Time to 0.1%, 1V Step, 100 pF Load
Power = Low
Power = High
Power = Low
Power = High
–
–
–
–
–
–
3
3
3
μs
μs
T
SOB
Falling Settling Time to 0.1%, 1V Step, 100 pF Load
Power = Low
Power = High
Power = Low
Power = High
–
–
–
–
–
–
3
3
3
μs
μs
SR
ROB
Rising Slew Rate (20% to 80%), 1V Step, 100 pF Load
Power = Low
Power = High
Power = Low
Power = High
0.6
0.6
0.6
–
–
–
–
–
–
V/
μs
V/
μs
SR
FOB
Falling Slew Rate (80% to 20%), 1V Step, 100 pF Load
Power = Low
Power = High
Power = Low
Power = High
0.6
0.6
0.6
–
–
–
–
–
–
V/
μs
V/
μs
BW
OB
Small Signal Bandwidth, 20mV
pp
, 3dB BW, 100 pF Load
Power = Low
Power = High
Power = High
0.8
0.8
0.8
–
–
–
–
–
–
MHz
MHz
MHz
BW
OB
Large Signal Bandwidth, 1V
pp
, 3dB BW, 100 pF Load
Power = Low
Power = High
Power = High
300
300
300
–
–
–
–
–
–
kHz
kHz
kHz
Table 26. AC External Clock Specifications
Symbol
Description
Min
Typ
Max
Units
F
OSCEXT
Frequency
0
–
24.24
MHz
–
High Period
20.6
–
–
ns
–
Low Period
20.6
–
–
ns
–
Power Up IMO to Switch
150
–
–
μs
Table 27. AC Programming Specifications
Symbol
Description
Min
Typ
Max
Units
T
RSCLK
Rise Time of SCLK
1
–
20
ns
T
FSCLK
Fall Time of SCLK
1
–
20
ns
T
SSCLK
Data Set up Time to Falling Edge of SCLK
40
–
–
ns
T
HSCLK
Data Hold Time from Falling Edge of SCLK
40
–
–
ns
F
SCLK
Frequency of SCLK
0
–
8
MHz
T
ERASEB
Flash Erase Time (Block)
–
15
–
ms
T
WRITE
Flash Block Write Time
–
30
–
ms
T
DSCLK
Data Out Delay from Falling Edge of SCLK
–
–
45
ns