User manual

CY8C29466, CY8C29566
CY8C29666, CY8C29866
Document Number: 38-12013 Rev. *M Page 34 of 47
12.4.6 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 ≤ T
A
≤ 85°C, or 3.0V to 3.6V and -40°C ≤ T
A
≤ 85°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and
are for design guidance only.
CRCPRS
(PRS Mode)
Maximum Input Clock Frequency – – 49.2 MHz 4.75V < Vdd < 5.25V.
CRCPRS
(CRC Mode)
Maximum Input Clock Frequency – – 24.6 MHz
SPIM Maximum Input Clock Frequency – – 8.2 MHz Maximum data rate at 4.1 MHz due to 2 x over clocking.
SPIS Maximum Input Clock Frequency – – 4.1 MHz
Width of SS_ Negated Between Transmissions 50
[13]
– – MHz
Transmitter Maximum Input Clock Frequency
Vdd
≥ 4.75V, 2 Stop Bits
–
–
–
–
24.6
49.2
MHz
MHz
Maximum data rate at 3.08 MHz due to 8 x over clocking.
Maximum data rate at 6.15 MHz due to 8 x over clocking.
Receiver Maximum Input Clock Frequency
Vdd
≥ 4.75V, 2 Stop Bits
–
–
–
–
24.6
49.2
MHz
MHz
Maximum data rate at 3.08 MHz due to 8 x over clocking.
Maximum data rate at 6.15 MHz due to 8 x over clocking.
Table 12-22. AC Digital Block Specifications (continued)
Function Description Min Typ Max Unit Notes
Table 12-23. 5V AC Analog Output Buffer Specifications
Symbol Description Min Typ Max Unit
T
ROB
Rising Settling Time to 0.1%, 1V Step, 100pF Load
Power = Low
Power = High
–
–
–
–
4
4
μs
μs
T
SOB
Falling Settling Time to 0.1%, 1V Step, 100pF Load
Power = Low
Power = High
–
–
–
–
3.4
3.4
μs
μs
SR
ROB
Rising Slew Rate (20% to 80%), 1V Step, 100pF Load
Power = Low
Power = High
0.5
0.5
–
–
–
–
V/μs
V/
μs
SR
FOB
Falling Slew Rate (80% to 20%), 1V Step, 100pF Load
Power = Low
Power = High
0.55
0.55
–
–
–
–
V/μs
V/
μs
BW
OB
Small Signal Bandwidth, 20mV
pp
, 3dB BW, 100pF Load
Power = Low
Power = High
0.8
0.8
–
–
–
–
MHz
MHz
BW
OB
Large Signal Bandwidth, 1V
pp
, 3dB BW, 100pF Load
Power = Low
Power = High
300
300
–
–
–
–
kHz
kHz
Table 12-24. 3.3V AC Analog Output Buffer Specifications
Symbol Description Min Typ Max Unit
T
ROB
Rising Settling Time to 0.1%, 1V Step, 100pF Load
Power = Low
Power = High
–
–
–
–
4.7
4.7
μs
μs
T
SOB
Falling Settling Time to 0.1%, 1V Step, 100pF Load
Power = Low
Power = High
–
–
–
–
4
4
μs
μs
SR
ROB
Rising Slew Rate (20% to 80%), 1V Step, 100pF Load
Power = Low
Power = High
.36
.36
–
–
–
–
V/μs
V/
μs
SR
FOB
Falling Slew Rate (80% to 20%), 1V Step, 100pF Load
Power = Low
Power = High
.4
.4
–
–
–
–
V/μs
V/
μs
BW
OB
Small Signal Bandwidth, 20mV
pp
, 3dB BW, 100pF Load
Power = Low
Power = High
0.7
0.7
–
–
–
–
MHz
MHz
BW
OB
Large Signal Bandwidth, 1V
pp
, 3dB BW, 100pF Load
Power = Low
Power = High
200
200
–
–
–
–
kHz
kHz
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