参数资料
型号: ISL12030IBZ
厂商: Intersil
文件页数: 13/17页
文件大小: 0K
描述: IC RTC/CALENDAR EEPROM 8-SOIC
产品培训模块: Solutions for Industrial Control Applications
标准包装: 980
类型: 时钟/日历
特点: 警报器,夏令时,SRAM
存储容量: 128B
时间格式: HH:MM:SS:hh(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
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: 管件
5
FN6617.2
May 5, 2011
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
2k
Ω.
For Cb = 40pF, max is about
15k
Ω
1
k
Ω
NOTES:
5. IRQ Inactive.
6. Specified at TA =+25°C.
7. FSCL = 400kHz.
8. In order to ensure proper timekeeping, the VDD SR- specification must be followed.
9. Parameter is not 100% tested.
10. These are I2C specific parameters and are not tested, however, they are used to set conditions for testing devices to validate specification.
11. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
I2C Interface Specifications
Specifications apply for: VDD = 2.7 to 5.5V, TA = -40°C to +85°C, unless otherwise stated. Boldface limits
apply over the operating temperature range, -40°C to +85°C. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 11)
TYP
(Note 6)
MAX
(Note 11) 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
FIGURE 1. STANDARD OUTPUT LOAD FOR TESTING THE
DEVICE WITH VDD = 5.0V
SDA
AND
IRQ
1533
Ω
100pF
5.0V
FOR VOL= 0.4V
AND IOL = 3mA
EQUIVALENT AC OUTPUT LOAD CIRCUIT FOR VDD = 5V
ISL12030
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