Specifications

CY8C21123/CY8C21223/CY8C21323
Document Number: 38-12022 Rev. *Y Page 22 of 46
DC Programming Specifications
Table 20 lists the 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, 3.0 V to 3.6 V and –40 °C T
A
85 °C, or 2.4 V to 3.0 V and –40 °C T
A
85 °C, respectively. Typical parameters
apply to 5 V, 3.3 V, or 2.7 V at 25 °C and are for design guidance only.
DC I
2
C Specifications
Table 20 lists the 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, 3.0 V to 3.6 V and –40 °C T
A
85 °C, or 2.4 V to 3.0 V and –40 °C T
A
85 °C, respectively. Typical parameters
apply to 5 V, 3.3 V, or 2.7 V at 25 °C and are for design guidance only.
Table 20. DC Programming Specifications
Symbol Description Min Typ Max Units Notes
V
DDP
V
DD
for programming and erase 4.5 5.0 5.5 V This specification applies to
the functional requirements
of external programmer tools
V
DDLV
Low V
DD
for verify 2.4 2.5 2.6 V This specification applies to
the functional requirements
of external programmer tools
V
DDHV
High V
DD
for verify 5.1 5.2 5.3 V This specification applies to
the functional requirements
of external programmer tools
V
DDIWRITE
Supply voltage for flash write operations 2.70 5.25 V This specification applies to
this device when it is
executing internal flash
writes
I
DDP
Supply current during programming or verify 5 25 mA
V
ILP
Input low voltage during programming or verify 0.8 V
V
IHP
Input high voltage during programming or verify 2.2 V
I
ILP
Input current when applying V
ILP
to P1[0] or P1[1]
during programming or verify
0.2 mA Driving internal pull-down
resistor
I
IHP
Input current when applying V
IHP
to P1[0] or P1[1]
during programming or verify
1.5 mA Driving internal pull-down
resistor
V
OLV
Output low voltage during programming or verify V
SS
+ 0.75 V
V
OHV
Output high voltage during programming or verify V
DD
– 1.0 V
DD
V
Flash
ENPB
Flash endurance (per block) 50,000
[11]
Erase/write cycles per block
Flash
ENT
Flash endurance (total)
[12]
1,800,000
0
0
0
0
Erase/write cycles
Flash
DR
Flash data retention 10 Years
Table 21. DC I
2
C Specifications
[13]
Symbol Description Min Typ Max Units Notes
V
ILI2C
Input low level 0.3 × V
DD
V 2.4 V V
DD
3.6 V
––0.25 × V
DD
V4.75 V V
DD
5.25 V
V
IHI2C
Input high level 0.7 × V
DD
V 2.4 V V
DD
5.25 V