CAT1161LI-30T2 CATALYST [Catalyst Semiconductor], CAT1161LI-30T2 Datasheet - Page 4

• Manufacturer Part Number: CAT1161LI-30T2
• Description: Supervisory Circuits with I2C Serial CMOS EEPROM, Precision Reset Controller and Watchdog Timer
• Manufacturer: CATALYST [Catalyst Semiconductor]

CAT1161, CAT1162
WRITE CYCLE LIMITS
The write cycle time is the time from a valid stop condition of a write sequence to the end of the internal
program/erase cycle. During the write cycle, the bus interface circuits are disabled, SDA is allowed to remain
high, and the device does not respond to its slave address.
RESET CIRCUIT CHARACTERISTICS
Doc. No. 3002 Rev. F
Symbol
t
WR
Symbol
V
t
V
V
t
GLITCH
PURST
RVALID
V
V
t
t
OHRS
OLRS
RPD
WP
RT
TH
Parameter
Write Cycle Time
Parameter
Glitch Reject Pulse Width
Reset Threshold Hystersis
Reset Output Low Voltage (I
Reset Output High Voltage
Reset Threshold (V
(CAT1161/2-45)
Reset Threshold (V
(CAT1161/2-42)
Reset Threshold (V
(CAT1161/2-30)
Reset Threshold (V
(CAT1161/2-28)
Reset Threshold (V
(CAT1161/2-25)
Power-Up Reset Timeout
Watchdog Period
V
RESET Output Valid
TH
to RESET Output Delay
CC
CC
CC
CC
CC
=5V)
=5V)
=3.3V)
=3.3V)
=3V)
OLRS
=1mA)
4
V
CC
4.50
4.25
3.00
2.85
2.55
Min
130
15
Min
- 0.75
1
Typ
Typ
1.6
Characteristics subject to change without notice
© 2007 Catalyst Semiconductor, Inc.
Max
Max
4.75
4.50
3.15
3.00
2.70
100
270
0.4
10
5
Units
Units
mV
sec
ms
ms
ns
µs
V
V
V
V