參數資料
| 型號： | ISL12030IBZ-T |
| 廠商： | Intersil |
| 文件頁數： | 13/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RTC/CALENDAR EEPROM 8-SOIC |
| 產品培訓模塊： | Solutions for Industrial Control Applications |
| 標準包裝： | 1 |
| 類型： | 時鐘/日歷 |
| 特點： | 警報器，夏令時，SRAM |
| 存儲容量： | 128B |
| 時間格式： | HH:MM:SS:hh（12/24 小時） |
| 數據格式： | YY-MM-DD-dd |
| 接口： | I²C，2 線串口 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SOIC |
| 包裝： | 標準包裝 |
| 產品目錄頁面： | 1245 (CN2011-ZH PDF) |
| 其它名稱： | ISL12030IBZ-TDKR |
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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