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CY8C24223A, CY8C24423A
Document Number: 3-12029 Rev. *E Page 25 of 31
AC Digital Block 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
≤ 125°C. Typical parameters apply to 5V at 25°C and are for design guidance only.
Table 24. AC Digital Block Specifications
Function Description Min Typ Max Units Notes
All Functions Maximum Block Clocking Frequency 24.96 MHz
Timer Capture Pulse Width 50
a
a. 50 ns minimum input pulse width is based on the input synchronizers running at 24 MHz (42 ns nominal period).
– – ns
Maximum Frequency, No Capture – – 24.96 MHz 4.75V < Vdd < 5.25V
Maximum Frequency, With Capture – – 24.96 MHz
Counter Enable Pulse Width 50
a
– – ns
Maximum Frequency, No Enable Input – – 24.96 MHz 4.75V < Vdd < 5.25V
Maximum Frequency, Enable Input – – 24.96 MHz
Dead Band Kill Pulse Width:
Asynchronous Restart Mode 20 – – ns
Synchronous Restart Mode 50
a
– – ns
Disable Mode 50
a
– – ns
Maximum Frequency – – 24.96 MHz 4.75V < Vdd < 5.25V
CRCPRS
(PRS Mode)
Maximum Input Clock Frequency – – 24.96 MHz 4.75V < Vdd < 5.25V
CRCPRS
(CRC Mode)
Maximum Input Clock Frequency – – 24.96 MHz
SPIM Maximum Input Clock Frequency – – 4.1 MHz Maximum data rate at 4.1 MHz
due to 2 x over clocking.
SPIS Maximum Input Clock Frequency – – 2.05 MHz
Width of SS_ Negated Between Transmissions 50
a
– – ns
Transmitter Maximum Input Clock Frequency – – 8.2 MHz Maximum data rate at 3.08
MHz due to 8 x over clocking.
Receiver Maximum Input Clock Frequency – 16 24.96 MHz Maximum data rate at 3.08
MHz due to 8 x over clocking.
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