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參數(shù)資料
| 型號： | ISL1221IUZ |
| 廠商： | Intersil |
| 文件頁數(shù)： | 20/24頁 |
| 文件大小： | 0K |
| 描述： | IC RTC LP BATT BACK SRAM 10MSOP |
| 產(chǎn)品培訓(xùn)模塊： | Solutions for Industrial Control Applications |
| 標(biāo)準(zhǔn)包裝： | 980 |
| 類型： | 時(shí)間事件記錄器 |
| 特點(diǎn)： | 警報(bào)器，閏年，SRAM |
| 存儲容量： | 2B |
| 時(shí)間格式： | HH:MM:SS（12/24 小時(shí)） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | I²C，2 線串口 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 電壓 - 電源，電池： | 1.8 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-MSOP |
| 包裝： | 管件 |
5
FN6316.1
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 5)
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
ISL1221
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