CY8C24633_12 Datasheet, PDF (37/52 Pages) Cypress Semiconductor – PSoC® Programmable System-on-Chip

CY8C24633
Table 27. 5-V and 3.3-V AC Digital Block Specifications (continued)
Function
Transmitter
Receiver
Description
Input clock frequency
V_DD  4.75 V, 2 stop bits
V_DD  4.75 V, 1 stop bit
V_DD < 4.75 V
Input clock frequency
Min Typ Max Unit
–
– 49.2 MHz
–
– 24.6 MHz
–
– 24.6 MHz
V_DD  4.75 V, 2 stop bits
V_DD  4.75 V, 1 stop bit
V_DD < 4.75 V
–
– 49.2 MHz
–
– 24.6 MHz
–
– 24.6 MHz
Notes
The baud rate is equal to the input clock frequency
divided by 8.
The baud rate is equal to the input clock frequency
divided by 8.
AC Analog Output Buffer Specifications
The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75 V to 5.25 V
and –40 °C  T_A  85 °C, or 3.0 V to 3.6 V and –40 °C  T_A  85 °C, respectively. Typical parameters apply to 5 V and 3.3 V at 25 °C
and are for design guidance only.
Table 28. 5V AC Analog Output Buffer Specifications
Symbol
Description
Min Typ Max Units
T_ROB Rising settling time to 0.1%, 1 V step, 100 pF load
Power = low
–
Power = high
–
–
2.5
s
–
2.5
s
T_SOB
Falling settling time to 0.1%, 1 V step, 100 pf load
Power = low
–
Power = high
–
–
2.2
s
–
2.2
s
SR_ROB Rising slew rate (20% to 80%), 1V step, 100 pf load
Power = low
0.65
–
power = High
0.65
–
–
V/s
–
V/s
SR_FOB Falling slew rate (80% to 20%), 1V step, 100 pf
load
0.65
–
Power = low
0.65
–
Power = high
–
V/s
–
V/s
BW_OB Small signal bandwidth, 20 mv_pp, 3db bw, 100 pf
load
0.8
–
Power = low
0.8
–
Power = high
–
MHz
–
MHz
BW_OB Large signal bandwidth, 1V_pp, 3db bw, 100 pf load
Power = low
300
–
Power = high
300
–
–
kHz
–
kHz
Notes
Table 29. 3.3V AC Analog Output Buffer Specifications
Symbol
Description
Min Typ Max Units
T_ROB
Rising settling time to 0.1%, 1 V step, 100 pF load
Power = low
–
Power = high
–
–
3.8
s
–
3.8
s
T_SOB
Falling settling time to 0.1%, 1V Step, 100 pF load
Power = low
–
power = High
–
–
2.6
s
–
2.6
s
Notes
Document Number: 001-20160 Rev. *G
Page 37 of 52