参数资料
型号: ISL1219IUZ-T
厂商: Intersil
文件页数: 20/24页
文件大小: 0K
描述: IC RTC LP BATT BACK SRAM 10MSOP
产品培训模块: Solutions for Industrial Control Applications
标准包装: 2,500
类型: 时间事件记录器
特点: 警报器,闰年,SRAM
存储容量: 2B
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: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 带卷 (TR)
5
FN6314.2
July 15, 2010
SDA vs. SCL Timing
Symbol Table
Rpu
SDA and SCL Bus Pull-up Resistor
Off-chip
Maximum is determined by tR
and tF.
For Cb = 400pF, max is about
2~2.5k
Ω. For Cb = 40pF, max is
about 15~20k
Ω
1k
Ω
NOTES:
2. IRQ and FOUT and EVDET Inactive.
3. LPMODE = 0 (default).
4. In order to ensure proper timekeeping, the VDD SR- specification must be followed.
5. Typical values are for T = 25°C and 3.3V supply voltage.
6. VSUP = VDD if in VDD Mode, VSUP = VBAT if in VBAT Mode.
7. These are I2C specific parameters and are not directly tested, however they are used during device testing to validate device specification.
8. A write to register 08h should only be done if VDD > VBAT, otherwise the device will be unable to communicate using I2C.
9. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested
I2C Interface Specifications Test Conditions: VDD = +2.7 to +5.5V, Temperature = -40°C to +85°C, unless otherwise specified. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 9)
TYP (Note 4)
MAX
(Note 9)
UNITS NOTES
tSU:STO
tDH
tHIGH
tSU:STA
tHD:STA
tHD:DAT
tSU:DAT
SCL
SDA
(INPUT TIMING)
SDA
(OUTPUT TIMING)
tF
tLOW
tBUF
tAA
tR
WAVEFORM
INPUTS
OUTPUTS
Must be steady
Will be steady
May change
from LOW
to HIGH
Will change
from LOW
to HIGH
May change
from HIGH
to LOW
Will change
from HIGH
to LOW
Don’t Care:
Changes Allowed
Changing:
State Not Known
N/A
Center Line is
High Impedance
ISL1219
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