参数资料
型号: ISL12029IVZ-T
厂商: Intersil
文件页数: 25/29页
文件大小: 0K
描述: IC RTC/CALENDAR EEPROM 14-TSSOP
标准包装: 2,500
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-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 14-TSSOP
包装: 带卷 (TR)
5
FN6206.10
December 16, 2010
Watchdog Timer/Low Voltage Reset Parameters
SYMBOL
PARAMETER
CONDITIONS
MIN
(Note 16)
TYP
(Note 11)
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
ISL12029-4.5A Reset Voltage Level
4.59
4.64
4.69
V
ISL12029 Reset Voltage Level
4.33
4.38
4.43
V
ISL12029-3 Reset Voltage Level
3.04
3.09
3.14
V
ISL12029-2.7A Reset Voltage Level
2.87
2.92
2.97
V
ISL12029-2.7 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 - DC/AC Characteristics
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
00.4
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
tAA
SCL Falling Edge to SDA Output
Data Valid
SCL falling edge crossing 30% of
VDD, until SDA exits the 30% to
70% of VDD window.
900
ns
tBUF
Time the Bus Must be Free Before
the Start of a New Transmission
SDA crossing 70% of VDD during
a STOP condition, to SDA
crossing 70% of VDD during the
following START condition.
1300
ns
tLOW
Clock LOW Time
Measured at the 30% of VDD
crossing.
1300
ns
ISL12029, ISL12029A
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