参数资料
型号: CAT140049SWI-GT3
厂商: ON Semiconductor
文件页数: 3/14页
文件大小: 0K
描述: IC SUPERVISOR I2C EEPROM 8SOIC
标准包装: 3,000
类型: 简单复位/加电复位
监视电压数目: 1
输出: 推挽式,图腾柱
复位: 低有效
复位超时: 最小为 140 ms
电压 - 阀值: 2.93V
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: 带卷 (TR)
其它名称: 140049SWI-GT3
CAT140xx
A.C. CHARACTERISTICS (MEMORY) (1)
V CC = 2.5V to 5.5V, T A = -40°C to 85°C, unless otherwise specified.
Symbol
F SCL
t HD:STA
t LOW
t HIGH
t SU:STA
t HD:DAT
t SU:DAT
Parameter
Clock Frequency
START Condition Hold Time
Low Period of SCL Clock
High Period of SCL Clock
START Condition Setup Time
Data In Hold Time
Data In Setup Time
Standard
Min Max
100
4
4.7
4
4.7
0
250
Fast
Min Max
400
0.6
1.3
0.6
0.6
0
100
Units
kHz
μs
μs
μs
μs
μs
ns
t R
(2)
SDA and SCL Rise Time
1000
300
ns
t F
(2)
SDA and SCL Fall Time
300
300
ns
t SU:STO
t BUF
t AA
t DH
STOP Condition Setup Time
Bus Free Time Between STOP and START
SCL Low to Data Out Valid
Data Out Hold Time
4
4.7
100
3.5
0.6
1.3
100
0.9
μs
μs
μs
ns
T i
(2)
Noise Pulse Filtered at SCL and SDA Inputs
100
100
ns
t WR
Write Cycle Time
5
5
ms
t PU
(2, 3)
Power-up to Ready Mode
1
1
ms
Notes :
(1)
(2)
(3)
Test conditions according to “A.C. Test Conditions” table.
Tested initially and after a design or process change that affects this parameter.
t PU is the delay between the time V CC is stable and the device is ready to accept commands.
A.C. TEST CONDITIONS
Input Levels
Input Rise and Fall Times
Input Reference Levels
Output Reference Levels
Output Load
0.2 x V CC to 0.8 x V CC
≤ 50 ns
0.3 x V CC , 0.7 x V CC
0.5 x V CC
Current Source: I OL = 3 mA; C L = 100 pF
? 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
3
Doc. No. MD-1117 Rev. B
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