cy8c9520 Cypress Semiconductor Corporation., cy8c9520 Datasheet - Page 20

• Manufacturer Part Number: cy8c9520
• Description: 20-, 40-, And 60-bit I/o Expander With Eeprom
• Manufacturer: Cypress Semiconductor Corporation.

CY8C95xx Preliminary Data Sheet
4.4.3
The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40°C ≤ T
are for design guidance only or unless otherwise specified.
Table 4-11: AC Characteristics of the I
August 17, 2005
F
T
T
T
T
T
T
T
T
T
SCLI2C
HDSTAI2C
LOWI2C
HIGHI2C
SUSTAI2C
HDDATI2C
SUDATI2C
SUSTOI2C
BUFI2C
SPI2C
Symbol
SDA
SCL
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
Set-up Time for a Repeated START Condition
Data Hold Time
Data Set-up Time
Set-up Time for STOP Condition
Bus Free Time Between a STOP and START Condition
Pulse Width of spikes are suppressed by the input filter.
S
AC I
A
≤ 85°C, or 3.0V to 3.6V and -40°C ≤ T
T
HDSTAI2C
T
2
LOWI2C
C Specifications
T
Figure 4-2. Definition for Timing for Fast/Standard Mode on the I
HDDATI2C
Description
T
T
HIGHI2C
2
SUDATI2C
C SDA and SCL Pins
Document No. 38-12036 Rev. *A
T
SUSTAI2C
A
≤ 85°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and
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
3
Fast Mode
400
–
–
–
–
–
–
–
–
50
Max
T
SUSTOI2C
T
SPI2C
kHz
µs
µs
µs
µs
µs
ns
µs
µs
ns
2
C Bus
Units
4. Electrical Specifications
P
T
BUFI2C
Notes
S
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