User manual

CY8C29466, CY8C29566
CY8C29666, CY8C29866
Document Number: 38-12013 Rev. *M Page 33 of 47
Figure 12-11. Typical Opamp Noise
12.4.4 AC Low Power Comparator Specifications
The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40
°C ≤ T
A
≤ 85°C, 3.0V to 3.6V and -40°C ≤ T
A
≤ 85°C, or 2.4V to 3.0V and -40°C ≤ T
A
≤ 85°C, respectively. Typical parameters
apply to 5V at 25
°C and are for design guidance only.
12.4.5 AC Digital Block Specifications
The following table lists 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.
10
100
1000
10000
0.001 0.01 0.1 1 10 100
Freq (kHz)
nV/rtHz
PH_ BH
PH_ BL
PM_BL
PL_ BL
Table 12-21. AC Low Power Comparator Specifications
Symbol Description Min Typ Max Unit Notes
T
RLPC
LPC response time – – 50 μs ≥ 50 mV overdrive comparator reference set within V
REFLPC
.
Table 12-22. AC Digital Block Specifications
Function Description Min Typ Max Unit Notes
All
Functions
Maximum Block Clocking Frequency (> 4.75V) 49.2 MHz 4.75V < Vdd < 5.25V.
Maximum Block Clocking Frequency (< 4.75V) 24.6 MHz 3.0V < Vdd < 4.75V.
Timer Capture Pulse Width 50
[13]
– – ns
Maximum Frequency, No Capture – – 49.2 MHz 4.75V < Vdd < 5.25V.
Maximum Frequency, With Capture – – 24.6 MHz
Counter Enable Pulse Width 50
[13]
– – ns
Maximum Frequency, No Enable Input – – 49.2 MHz 4.75V < Vdd < 5.25V.
Maximum Frequency, Enable Input – – 24.6 MHz
Dead Band Kill Pulse Width:
Asynchronous Restart Mode 20 – – ns
Synchronous Restart Mode 50
[13]
– – ns
Disable Mode 50
[13]
– – ns
Maximum Frequency – – 49.2 MHz 4.75V < Vdd < 5.25V.
Note
13. 50 ns minimum input pulse width is based on the input synchronizers running at 24 MHz (42 ns nominal period).
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