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CY8C24894

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AC Programming Specifications

Tab le 26 lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75 V to 5.25 V and –40

°C  T

 85 °C, or 3.0 V to 3.6 V and –40 °C  T

 85 °C, respectively. Typical parameters apply to 5 V and 3.3 V at 25 °C and are

for design guidance only.

Table 25. 3.3-V AC Analog Output Buffer Specifications

Symbol Description Min Typ Max Units Notes

ROB

Rising settling time to 0.1%, 1 V step, 100 pF load

Power = low

Power = high

–

3.8

s

SOB

Falling settling time to 0.1%, 1 V step, 100 pF load

Power = low

Power = high

–

2.6

s

ROB

Rising slew rate (20% to 80%), 1 V step, 100 pF load

Power = low

Power = high

0.5

–

V/s

FOB

Falling slew rate (80% to 20%), 1 V step, 100 pF load

Power = low

Power = high

0.5

–

V/s

OBSS

Small signal bandwidth, 20 mV

, 3 dB BW, 100 pF load

Power = low

Power = high

0.7

–

MHz

OBLS

Large signal bandwidth, 1 V

, 3 dB BW, 100 pF load

Power = low

Power = high

200

–

kHz

Table 26. AC Programming Specifications

Symbol Description Min Typ Max Units Notes

RSCLK

Rise time of SCLK 1 – 20 ns

FSCLK

Fall time of SCLK 1 – 20 ns

SSCLK

Data setup time to falling edge of SCLK 40 – – ns

HSCLK

Data hold time from falling edge of SCLK 40 – – ns

SCLK

Frequency of SCLK 0 – 8 MHz

ERASEB

Flash erase time (block) – 10 40

[19]

WRITE

Flash block write time – 40 160

[19]

DSCLK

Data out delay from falling edge of SCLK – – 45 ns V

 3.6 V

DSCLK3

Data out delay from falling edge of SCLK – – 50 ns 3.0 V  V

 3.6 V

PRGH

Total flash block program time (t

ERASEB

+ t

WRITE

), hot – – 100

[19]

ms T

 0 °C

PRGC

Total flash block program time (t

ERASEB

+ t

WRITE

), cold – – 200

[19]

ms T

 0 °C

Note

19. For the full temperature range, the user must employ a temperature sensor user module (FlashTemp) or other temperature sensor, and feed the result to the temperature

argument before writing. Refer to the Flash APIs Application Note AN2015 for more information.

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