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CAT1163 Datasheet, PDF (3/14 Pages) Catalyst Semiconductor – Supervisory Circuit with I2C Serial CMOS EEPROM, Precision Reset Controller and Watchdog Timer
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CAT1163
D.C. OPERATING CHARACTERISTICS
VCC = 2.7V to 6.0V, unless otherwise specified.
Symbol Parameter
Test Conditions
Min
Typ
Max
Units
ICC
ISB
ILI
ILO
VIL
VIH
VOL1
Power Supply Current
Standby Current
Input Leakage Current
Output Leakage Current
Input Low Voltage
Input High Voltage
Output Low Voltage (SDA)
fSCL = 100kHz
VCC = 3.3V
VCC = 5V
VIN = GND or VCC
VIN = GND or VCC
IOL = 3 mA, VCC = 3.0V
-1
VCC x 0.7
3
mA
40
µA
50
µA
2
µA
10
µA
VCC x 0.3
V
VCC + 0.5
V
0.4
V
CAPACITANCE
TA = 25ºC, f = 1.0MHz, VCC = 5V
Symbol
CI/O(1)
CIN(1)
Test
Input/Output Capacitance (SDA)
Input Capacitance (SCL)
Conditions
VI/O = 0V
VIN = 0V
Max Units
8
pF
6
pF
A.C. CHARACTERISTICS
VCC = 2.7V to 6.0V unless otherwise specified. Output Load is 1 TTL Gate and 100pF.
Symbol Parameter
VCC = 2.7V - 6V VCC = 4.5V – 5.5V
Min Max Min
Max Units
FSCL Clock Frequency
100
TI(1) Noise Suppresion Time Constant at SCL, SDA Inputs
200
tAA SLC Low to SDA Data Out and ACK Out
3.5
tBUF(1)
Time the Bus Must be Free Before a New Transmission
Can Start
4.7
1.2
400 kHz
200 ns
1
µs
µs
tHD:STA Start Condition Hold Time
4
0.6
tLOW Clock Low Period
4.7
1.2
tHIGH Clock High Period
4
0.6
tSU:STA Start Condition Setup Time (for a Repeated Start Condition) 4.7
0.6
tHD:DAT Data in Hold Time
0
0
tSU:DAT
tR(1)
tF(1)
Data in Setup Time
SDA and SCL Rise Time
SDA and SCL Fall Time
50
50
1
300
tSU:STO Stop Condition Setup Time
4
0.6
tDH Data Out Hold Time
100
100
µs
µs
µs
µs
ns
ns
0.3 µs
300 ns
µs
ns
POWER-UP TIMING (1)(2)
Symbol
tPUR
tPUW
Parameter
Power-up to Read Operation
Power-up to Write Operation
Max Units
1
ms
1
ms
Notes:
(1) This parameter is tested initially and after a design or process change that affects the parameter.
(2) tPUR and tPUW are the delays required from the time VCC is stable until the specific operation can be initiated.
© 2009 SCILLC. All rights reserved.
3
Characteristics subject to change without notice
Doc. No. MD-3003 Rev. I
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