参数资料
型号: CAT1161WI-42-T3
厂商: ON Semiconductor
文件页数: 4/13页
文件大小: 0K
描述: IC SUPERVISOR W/MEM 4.25V 8SOIC
标准包装: 1
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: 高有效/低有效
复位超时: 最小为 130 ms
电压 - 阀值: 4.25V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 标准包装
产品目录页面: 806 (CN2011-ZH PDF)
其它名称: CAT1161WI-42-T3DKR
CAT1161, CAT1162
Table 6. AC CHARACTERISTICS
V CC = 2.7 V to 6.0 V unless otherwise specified. Output Load is TTL Gate and 100 pF.
Symbol
Parameter
Min
Max
Min
Max
Units
F SCL
T 1 (Note 1)
t AA
t BUF (Note 1)
t HD; STA
t LOW
t HIGH
t SU; STA
t HD; DAT
t SU; DAT
t R (Note 1)
t F (Note 1)
t SU; STO
t DH
Clock Frequency
Noise Suppression Time Constant at SCL, SDA Inputs
SCL Low to SDA Data Out and ACK Out
Time the Bus must be Free Before a New Transmission Can
Start
Start Condition Hold Time
Clock Low Period
Clock High Period
Start Condition Setup Time (for a Repeated Start Condition)
Data in Hold Time
Data in Setup Time
SDA and SCL Rise Time
SDA and SCL Fall Time
Stop Condition Setup Time
Data Out Hold Time
4.7
4
4.7
4
4.7
0
50
4
100
100
200
3.5
1
300
1.2
0.6
1.2
0.6
0.6
0
50
0.6
100
400
200
1
0.3
300
kHz
ns
m s
m s
m s
m s
m s
m s
ns
ns
m s
ns
m s
ns
1. This parameter is tested initially and after a design or process change that affects the parameter.
Table 7. WRITE CYCLE LIMITS
Symbol
t WR
Write Cycle Time
Parameter
Min
Typ
Max
10
Units
ms
* 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.
Table 8. RESET CIRCUIT CHARACTERISTICS
Symbol
Parameter
Min
Typ
Max
Units
t GLITCH
V RT
V OLRS
V OHRS
V CC Glitch Reject Pulse Width
Reset Threshold Hysteresis
Reset Output Low Voltage (I OLRS = 1 mA)
Reset Output High Voltage
15
V CC ? 0.75
100
0.4
ns
mV
V
V
V TH
t PURST
Reset Threshold (V CC = 5 V), (CAT1161/2 ? 45)
Reset Threshold (V CC = 5 V), (CAT1161/2 ? 42)
Reset Threshold (V CC = 3.3 V), (CAT1161/2 ? 30)
Reset Threshold (V CC = 3.3 V), (CAT1161/2 ? 28)
Reset Threshold (V CC = 3 V), (CAT1161/2 ? 25)
Power ? Up Reset Timeout
4.50
4.25
3.00
2.85
2.55
130
4.75
4.50
3.15
3.00
2.70
270
V
ms
t WP
t RPD
V RVALID
Watchdog Period
V TH to RESET Output Delay
RESET Output Valid
1
1.6
5
s
m s
V
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