CAT1161LI-45-G ON Semiconductor, CAT1161LI-45-G Datasheet - Page 6
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CAT1161LI-45-G
Manufacturer Part Number
CAT1161LI-45-G
Description
IC SUPERVSR CPU 16K EEPROM 8PDIP
Manufacturer
ON Semiconductor
Type
Simple Reset/Power-On Resetr
Datasheet
1.CAT1161WI-45-T3.pdf
(14 pages)
Specifications of CAT1161LI-45-G
Number Of Voltages Monitored
1
Output
Open Drain or Open Collector
Reset
Active High/Active Low
Reset Timeout
130 ms Minimum
Voltage - Threshold
4.5V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Monitored Voltage
3 V, 3.3 V, 5 V
Undervoltage Threshold
4.5 V
Overvoltage Threshold
4.75 V
Output Type
Active High, Active Low, Open Drain
Manual Reset
Resettable
Watchdog
Watchdog
Battery Backup Switching
No Backup
Power-up Reset Delay (typ)
270 ms
Supply Voltage (max)
6 V
Supply Voltage (min)
2.7 V
Supply Current (typ)
3000 uA
Maximum Power Dissipation
1000 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 40 C
Power Fail Detection
No
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CAT1161LI-45-G
Manufacturer:
ON Semiconductor
Quantity:
4
CAT1161, CAT1162
Hardware Data Protection
The CAT1161/2 is designed with the following
hardware data protection features to provide a high
degree of data integrity.
(1) The CAT1161/2 features a WP pin. When the WP
(2) The V
Figure 2. Bus Timing
Figure 3. Write Cycle Timing
Figure 4. Start/Stop Timing
Doc. No. MD-3002 Rev. I
pin is tied high the entire memory array becomes
write protected (read only).
falls below the reset threshold value (V
CC
SCL
SDA
sense provides write protection when V
SDA OUT
SDA IN
SCL
SDA
SCL
t SU:STA
8TH BIT
BYTE n
START BIT
t F
t HD:STA
t LOW
ACK
t AA
TH
t HD:DAT
). The
t HIGH
CC
STOP
CONDITION
6
t LOW
Reset Threshold Voltage
The CAT1161/2 is offered with five reset threshold
voltage ranges. They are 4.50 ÷ 4.75V, 4.25 ÷ 4.50V,
3.00 ÷ 3.15V, 2.85 ÷ 3.00V and 2.55 ÷ 2.70V.
t DH
V
whenever V
until V
V
is not recognized and an ACK will not be sent on
the SDA line when RESET or RESET
t SU:DAT
t R
CC
TH
. Any attempt to access the internal EEPROM
t WR
lock out inhibits writes to the serial EEPROM
CC
reaches the reset threshold (power up)
CC
STOP BIT
START
CONDITION
falls below (power down) V
t SU:STO
t BUF
Characteristics subject to change without notice
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