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CAT14004 Datasheet(PDF) 3 Page - Catalyst Semiconductor

Part No. CAT14004
Description  Voltage Supervisor with I2C Serial CMOS EEPROM
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Maker  CATALYST [Catalyst Semiconductor]
Homepage  http://www.catalyst-semiconductor.com
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CAT14004 Datasheet(HTML) 3 Page - Catalyst Semiconductor

 
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CAT140xx
© 2006 Catalyst Semiconductor, Inc.
3
Doc. No. 1117 Rev. A
Characteristics subject to change without notice
A.C. CHARACTERISTICS (MEMORY)
(1)
VCC = 2.5V to 5.5V, TA = -40°C to 85°C, unless otherwise specified.
Standard
Fast
Symbol
Parameter
Min
Max
Min
Max
Units
FSCL
Clock Frequency
100
400
kHz
tHD:STA
START Condition Hold Time
4
0.6
µs
tLOW
Low Period of SCL Clock
4.7
1.3
µs
tHIGH
High Period of SCL Clock
4
0.6
µs
tSU:STA
START Condition Setup Time
4.7
0.6
µs
tHD:DAT
Data In Hold Time
0
0
µs
tSU:DAT
Data In Setup Time
250
100
ns
tR
(2)
SDA and SCL Rise Time
1000
300
ns
tF
(2)
SDA and SCL Fall Time
300
300
ns
tSU:STO
STOP Condition Setup Time
4
0.6
µs
tBUF
Bus Free Time Between STOP and START
4.7
1.3
µs
tAA
SCL Low to Data Out Valid
3.5
0.9
µs
tDH
Data Out Hold Time
100
100
ns
Ti
(2)
Noise Pulse Filtered at SCL and SDA Inputs
100
100
ns
tWR
Write Cycle Time
5
5
ms
tPU
(2, 3)
Power-up to Ready Mode
1
1
ms
Notes
:
(1) Test conditions according to “A.C. Test Conditions” table.
(2) Tested initially and after a design or process change that affects this parameter.
(3) tPU is the delay between the time VCC is stable and the device is ready to accept commands.
A.C. TEST CONDITIONS
Input Levels
0.2 x VCC to 0.8 x VCC
Input Rise and Fall Times
50 ns
Input Reference Levels
0.3 x VCC, 0.7 x VCC
Output Reference Levels
0.5 x VCC
Output Load
Current Source: IOL = 3 mA; CL = 100 pF


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