cy8c9520a Cypress Semiconductor Corporation., cy8c9520a Datasheet - Page 19

• Manufacturer Part Number: cy8c9520a
• Description: 20-, 40-, And 60-bit Io Expander With Eeprom
• Manufacturer: Cypress Semiconductor Corporation.

AC I
Table 27 lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V and -40°C
≤ T
guidance only or unless otherwise specified.
Table 27. AC Characteristics of the I
Document Number: 38-12036 Rev. *B
F
T
T
T
T
T
T
T
T
T
Symbol
SCLI2C
HDSTAI2C
LOWI2C
HIGHI2C
SUSTAI2C
HDDATI2C
SUDATI2C
SUSTOI2C
BUFI2C
SPI2C
SDA
A
SCL
2
≤ 85°C, or 3.0V to 3.6V and -40°C ≤ T
C Specifications
S
SCL clock frequency
Hold time (repeated) START condition. After
this period, the first clock pulse is generated.
LOW period of the SCL clock
HIGH period of the SCL clock
Setup time for a repeated START condition
Data hold time
Data setup time
Setup time for STOP condition
Bus free time between a STOP and START
Condition
Pulse width of spikes are suppressed by the
input filter.
T
HDSTAI2C
T
LOWI2C
T
HDDATI2C
Figure 9. Definition for Timing for Fast/Standard Mode on the I
Description
T
2
T
HIGHI2C
C SDA and SCL Pins
SUDATI2C
A
≤ 85°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and are for design
T
SUSTAI2C
0
4.0
4.7
4.0
4.7
0
250
4.0
4.7
–
Standard Mode
Min
Sr
100
–
–
–
–
–
–
–
–
–
Max
T
HDSTAI2C
0
0.6
1.3
0.6
0.6
0
100
0.6
1.3
0
Min
Fast Mode
3
–
–
–
–
–
–
–
–
–
–
T
CY8C9520A, CY8C9540A
Max
SUSTOI2C
T
SPI2C
2
C Bus
kHz
μs
μs
μs
μs
μs
ns
μs
μs
ns
Units
P
T
BUFI2C
CY8C9560A
Notes
S
Page 19 of 24
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