Specifications
CY8C24094, CY8C24794
CY8C24894, CY8C24994
Document Number: 38-12018 Rev. AH Page 42 of 64
10.4.9 AC Programming Specifications
The following table 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 are measured at to 5 V and
3.3 V at 25 °C and are for design guidance only.
Table 34. 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
µs
µs
t
SOB
Falling settling time to 0.1%, 1 V Step, 100 pF load
Power = low
Power = high
–
–
–
–
2.6
2.6
µs
µs
SR
ROB
Rising slew rate (20% to 80%), 1 V Step, 100 pF load
Power = low
Power = high
0.5
0.5
–
–
–
–
V/µs
V/µs
SR
FOB
Falling slew rate (80% to 20%), 1 V Step, 100 pF load
Power = low
Power = high
0.5
0.5
–
–
–
–
V/µs
V/µs
BW
OBSS
Small signal bandwidth, 20 mV
pp
, 3dB BW, 100 pF load
Power = low
Power = high
0.7
0.7
–
–
–
–
MHz
MHz
BW
OBLS
Large signal bandwidth, 1 V
pp
, 3dB BW, 100 pF load
Power = low
Power = high
200
200
–
–
–
–
kHz
kHz
Table 35. 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 – ms
t
WRITE
Flash block write time – 40 – ms
t
DSCLK
Data out delay from falling edge of SCLK – – 45 ns V
DD
3.6
t
DSCLK3
Data out delay from falling edge of SCLK – – 50 ns 3.0 V
DD
3.6
t
ERASEALL
Flash erase time (bulk) – 40 – ms Erase all blocks and
protection fields at once
t
PROGRAM_HOT
Flash block erase + flash block write time – – 100
[27]
ms 0 °C Tj 100 C
t
PROGRAM_COLD
Flash block erase + flash block write time – – 200
[27]
ms –40 °C Tj 0 C
Note
27. For the full industrial range, the user must employ a temperature sensor user module (FlashTemp) and feed the result to the temperature argument before writing.
See the Flash APIs application note Design Aids – Reading and Writing PSoC
®
Flash – AN2015 for more information.