参数资料
型号: ISL12028AIB27Z
厂商: Intersil
文件页数: 25/29页
文件大小: 0K
描述: IC RTC/CALENDAR EEPROM 14SOIC
产品培训模块: Solutions for Industrial Control Applications
标准包装: 50
类型: 时钟/日历
特点: 警报器,闰年,监控器,监视计时器
时间格式: HH:MM:SS(12/24 小时)
数据格式: YY-MM-DD-dd
接口: I²C,2 线串口
电源电压: 2.7 V ~ 5.5 V
电压 - 电源,电池: 1.8 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOIC
包装: 管件
5
FN8233.9
November 30, 2010
RESET OUTPUT
ILO
Output Leakage Current
VDD = 5.5V
VOUT = 5.5V
100
400
nA
VOL
Output Low Voltage
VDD = 5.5V
IOL = 3mA
0.4
V
VDD = 2.7V
IOL = 1mA
0.4
V
Electrical Specifications
Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
(Note 16)
TYP
MAX
(Note 16)
UNIT
NOTES
Watchdog Timer/Low Voltage Reset Parameters Boldface limits apply over the operating temperature range, -40°C to +85°C.
SYMBOL
PARAMETER
CONDITIONS
MIN
(Note 16)
TYP
(Note 5)
MAX
(Note 16)
UNITS
NOTES
tRPD
VDD Detect to RESET LOW
500
ns
tPURST
Power-Up Reset Time-Out Delay
100
250
400
ms
VRVALID
Minimum VDD for Valid RESET
Output
1.0
V
VRESET
ISL12028-4.5A Reset Voltage
Level
4.59
4.64
4.69
V
ISL12028 Reset Voltage Level
4.33
4.38
4.43
V
ISL12028-3 Reset Voltage Level
3.04
3.09
3.14
V
ISL12028-2.7A Reset Voltage
Level
2.87
2.92
2.97
V
ISL12028-2.7 Reset Voltage Level
2.58
2.63
2.68
V
tWDO
Watchdog Timer Period
32.768kHz crystal between X1 and
X2
1.70
1.75
1.801
s
725
750
775
ms
225
250
275
ms
tRST
Watchdog Timer Reset Time-Out
Delay
32.768kHz crystal between X1 and
X2
225
250
275
ms
tRSP
I2C Interface Minimum Restart
Time
1.2
s
EEPROM SPECIFICATIONS
EEPROM Endurance
>2,000,000
Cycles
EEPROM Retention
Temperature
≤ +75°C
50
Years
Serial Interface (I2C) Specifications Boldface limits apply over the operating temperature range, -40°C to +85°C.
SYMBOL
PARAMETER
CONDITIONS
MIN
(Note 16)
TYP
MAX
(Note 16)
UNITS
NOTES
VIL
SDA, and SCL Input Buffer LOW
Voltage
SBIB = 1 (Under VDD mode)
-0.3
0.3 x VDD
V
VIH
SDA, and SCL Input Buffer HIGH
Voltage
SBIB = 1 (Under VDD mode)
0.7 x VDD
VDD + 0.3
V
Hysteresis SDA and SCL Input Buffer
Hysteresis
SBIB = 1 (Under VDD mode)
0.05 x VDD
V
VOL
SDA Output Buffer LOW Voltage
IOL = 4mA
0
0.4
V
ILI
Input Leakage Current on SCL
VIN = 5.5V
0.1
10
A
ILO
I/O Leakage Current on SDA
VIN = 5.5V
0.1
10
A
TIMING CHARACTERISTICS
fSCL
SCL Frequency
400
kHz
tIN
Pulse width Suppression Time at
SDA and SCL Inputs
Any pulse narrower than the max spec
is suppressed.
50
ns
ISL12028, ISL12028A
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