Specifications
CY8C24894
Document Number: 001-53754 Rev. *F Page 33 of 50
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
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 25. 3.3-V AC Analog Output Buffer Specifications
Symbol Description Min Typ Max Units Notes
t
ROB
Rising settling time to 0.1%, 1 V step, 100 pF load
Power = low
Power = high
–
–
–
–
3.8
3.8
s
s
t
SOB
Falling settling time to 0.1%, 1 V step, 100 pF load
Power = low
Power = high
–
–
–
–
2.6
2.6
s
s
SR
ROB
Rising slew rate (20% to 80%), 1 V step, 100 pF load
Power = low
Power = high
0.5
0.5
–
–
–
–
V/s
V/s
SR
FOB
Falling slew rate (80% to 20%), 1 V step, 100 pF load
Power = low
Power = high
0.5
0.5
–
–
–
–
V/s
V/s
BW
OBSS
Small signal bandwidth, 20 mV
pp
, 3 dB BW, 100 pF load
Power = low
Power = high
0.7
0.7
–
–
–
–
MHz
MHz
BW
OBLS
Large signal bandwidth, 1 V
pp
, 3 dB BW, 100 pF load
Power = low
Power = high
200
200
–
–
–
–
kHz
kHz
Table 26. AC Programming Specifications
Symbol Description Min Typ Max Units Notes
t
RSCLK
Rise time of SCLK 1 – 20 ns
t
FSCLK
Fall time of SCLK 1 – 20 ns
t
SSCLK
Data setup time to falling edge of SCLK 40 – – ns
t
HSCLK
Data hold time from falling edge of SCLK 40 – – ns
F
SCLK
Frequency of SCLK 0 – 8 MHz
t
ERASEB
Flash erase time (block) – 10 40
[19]
ms
t
WRITE
Flash block write time – 40 160
[19]
ms
t
DSCLK
Data out delay from falling edge of SCLK – – 45 ns V
DD
3.6 V
t
DSCLK3
Data out delay from falling edge of SCLK – – 50 ns 3.0 V V
DD
3.6 V
t
PRGH
Total flash block program time (t
ERASEB
+ t
WRITE
), hot – – 100
[19]
ms T
J
0 °C
t
PRGC
Total flash block program time (t
ERASEB
+ t
WRITE
), cold – – 200
[19]
ms T
J
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.