CY7C64215
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 0°C < TA < 70°C, or 3.0V to 3.6V and 0°C < TA < 70°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and are for design guidance only.
Table 21. AC Digital Block Specifications
Function | Description | Min | Typ | Max | Unit | Notes |
Timer | Capture Pulse Width | 50[11] | – | – | ns |
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| Maximum Frequency, No Capture | – | – | 49.92 | MHz | 4.75V < Vdd < 5.25V. |
| Maximum Frequency, With Capture | – | – | 25.92 | MHz |
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Counter | Enable Pulse Width | 50[11] | – | – | ns |
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| Maximum Frequency, No Enable Input | – | – | 49.92 | MHz | 4.75V < Vdd < 5.25V. |
| Maximum Frequency, Enable Input | – | – | 25.92 | MHz |
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Dead | Kill Pulse Width: |
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Band |
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Asynchronous Restart Mode | 20 | – | – | ns |
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| Synchronous Restart Mode | 50[11] | – | – | ns |
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| Disable Mode | 50[12] | – | – | ns |
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| Maximum Frequency | – | – | 49.92 | MHz | 4.75V < Vdd < 5.25V. |
CRCPRS | Maximum Input Clock Frequency | – | – | 49.92 | MHz | 4.75V < Vdd < 5.25V. |
(PRS |
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Mode) |
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CRCPRS | Maximum Input Clock Frequency | – | – | 24.6 | MHz |
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(CRC |
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Mode) |
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SPIM | Maximum Input Clock Frequency | – | – | 8.2 | MHz | Maximum data rate at 4.1 MHz due to |
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| 2 x over clocking. |
SPIS | Maximum Input Clock Frequency | – | – | 4.1 | MHz |
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| Width of SS_ Negated Between Trans- | 50[11] | – | – | ns |
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Trans- | Maximum Input Clock Frequency | – | – | 24.6 | MHz | Maximum data rate at 3.08 MHz due to |
mitter |
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| 8 x over clocking. |
Receiver | Maximum Input Clock Frequency | – | – | 24.6 | MHz | Maximum data rate at 3.08 MHz due to |
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| 8 x over clocking. |
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 0°C < TA < 70°C, or 3.0V to 3.6V and 0°C < TA < 70°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and are for design guidance only.
Table 22. AC External Clock Specifications
Parameter | Description | Min | Typ | Max | Unit | Notes |
FOSCEXT | Frequency for USB Applications | 23.94 | 24 | 24.06 | MHz |
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– | Duty Cycle | 47 | 50 | 53 | % |
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– | Power - up to IMO Switch | 150 | – | – | μs |
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Note
11. 50 ns minimum input pulse width is based on the input synchronizers running at 24 MHz (42 ns nominal period).
Document | Page 23 of 30 |
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