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参数资料
| 型号： | CAT1022LI-45-G |
| 厂商： | ON Semiconductor |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISR CPU 2K EEPROM 8PDIP |
| 标准包装： | 50 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 130 ms |
| 电压 - 阀值： | 4.5V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
CAT1021, CAT1022, CAT1023
PIN CONFIGURATION
DIP Package (L)
SOIC Package (W)
TSSOP Package (Y)
MSOP Package (Z)
(Bottom View)
TDFN Package: 3 mm x 3 mm
0.8mm maximum height ? (ZD4)
MR
RESET
WP
V SS
MR
RESET
NC
V SS
MR
RESET
RESET
V SS
1
2
3
4
1
2
3
4
1
2
3
4
CAT1021
CAT1022
CAT1023
8
7
6
5
8
7
6
5
8
7
6
5
V CC
RESET
SCL
SDA
V CC
NC
SCL
SDA
V CC
WDI
SCL
SDA
V CC
RESET
SCL
SDA
V CC
NC
SCL
SDA
V CC
WDI
SCL
SDA
8
7
6
5
8
7
6
5
8
7
6
5
CAT1021
CAT1022
CAT1023
1
2
3
4
1
2
3
4
1
2
3
4
MR
RESET
WP
V SS
MR
RESET
NC
V SS
MR
RESET
RESET
V SS
PIN DESCRIPTION
RESET/RESET : RESET OUTPUT
WDI
(CAT1023 Only): WATCHDOG TIMER
(RESET CAT1021/23 Only)
These are open drain pins and RESET can be used as a
manual reset trigger input. By forcing a reset condition on
the pin the device will initiate and maintain a reset condition.
The RESET pin must b e connected through a pull ? down
resistor, and the RESET pin must be connected through a
pull ? up resistor.
INTERRUPT
Watchdog Timer Interrupt Input is used to reset the
watchdog timer. If a transition from high to low or low to
high does not occur every 1.6 seconds, the RESET outputs
will be driven active.
Table 2. PIN FUNCTION
SDA : SERIAL DATA ADDRESS
The bidirectional serial data/address pin is used to transfer
all data into and out of the device. The SDA pin is an open
drain output and can be wire ? ORed with other open drain or
open collector outputs.
SCL : SERIAL CLOCK
Serial clock input.
MR : MANUAL RESET INPUT
Manual Reset input is a debounced input that can be
connected to an external source for Manual Reset. Pulling
the MR input low will generate a Reset condition. Reset
outputs are active while MR input is low and for the reset
timeout period after MR returns to high. The input has an
internal pull up resistor.
Pin Name
NC
RESET
V SS
SDA
SCL
RESET
V CC
WP
MR
WDI
Function
No Connect
Active Low Reset Input/Output
Ground
Serial Data/Address
Clock Input
Active High Reset Output (CAT1021/23)
Power Supply
Write Protect (CAT1021 Only)
Manual Reset Input
Watchdog Timer Interrupt (CAT1023)
WP (CAT1021 Only): WRITE PROTECT INPUT
When WP input is tied to V SS or left unconnected write
Table 3. OPERATING TEMPERATURE RANGE
operations to the entire array are allowed. When tied to V CC ,
the entire array is protected. This input has an internal pull
down resistor.
Industrial
Extended
? 40 ° C to 85 ° C
? 40 ° C to 125 ° C
http://onsemi.com
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT1022LI-45-GT2 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer |
| CAT1022LI-45-GT3 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer |
| CAT1022LI-45T2 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer |
| CAT1022LI-45-T2 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer |
| CAT1022LI-45T3 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer |
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