
April 14, 2005
Document No. 38-12018 Rev. *F
20
CY8C24794 Final Data Sheet
3. Electrical Specifications
3.3.9
DC Programming Specifications
The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40
°
C
≤
T
A
≤
85
°
C, or 3.0V to 3.6V and -40
°
C
≤
T
A
≤
85
°
C, respectively. Typical parameters apply to 5V and 3.3V at 25
°
C and
are for design guidance only.
Table 3-15. DC Programming Specifications
Symbol
I
DDP
V
ILP
V
IHP
I
ILP
Description
Min
Typ
Max
Units
Notes
Supply Current During Programming or Verify
–
15
30
mA
Input Low Voltage During Programming or Verify
–
–
0.8
V
Input High Voltage During Programming or Verify
2.1
–
–
V
Input Current when Applying Vilp to P1[0] or P1[1] During
Programming or Verify
Input Current when Applying Vihp to P1[0] or P1[1] During
Programming or Verify
Output Low Voltage During Programming or Verify
–
–
0.2
mA
Driving internal pull-down resistor.
I
IHP
–
–
1.5
mA
Driving internal pull-down resistor.
V
OLV
V
OHV
–
–
Vss + 0.75
V
Output High Voltage During Programming or Verify
Vdd
- 1.0
50,000
–
Vdd
V
Flash
ENPB
Flash
ENT
Flash
DR
Flash Endurance (per block)
–
–
–
Erase/write cycles per block.
Flash Endurance (total)
a
Flash Data Retention
a. A maximumof 36 x 50,000 block endurance cycles is allowed. This may be balanced between operations on 36x1 blocks of 50,000 maximumcycles each, 36x2 blocks of
25,000 maximumcycles each, or 36x4 blocks of 12,500 maximumcycles each (to limt the total number of cycles to 36x50,000 and that no single block ever sees more than
50,000 cycles).
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. Refer to
the Flash APIs Application Note AN2015 at http://wwwcypress.comunder Application Notes for more information.
1,800,000
–
–
–
Erase/write cycles.
10
–
–
Years