參數(shù)資料
型號： DS3234S
廠商： Maxim Integrated Products, Inc.
英文描述： Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM
中文描述： 非常精確的時(shí)鐘SPI總線集成晶體和SRAM
文件頁數(shù)： 3/20頁
文件大?。?/td> 328K
代理商： DS3234S
D
Extremely Accurate SPI Bus RTC with
Integrated Crystal and SRAM
_____________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 2.0V to 5.5V, V
CC
= active supply (see Table 1), T
A
= -40°C to +85°C, unless otherwise noted.) (Typical values are at
V
CC
=
3.3V, V
BAT
= 3.0V
, and T
A
= +25°C, unless otherwise noted. TCXO operation guaranteed from 2.3V to 5.5V on V
CC
and 2.3V to 3.8V on
V
BAT
.) (Notes 1, 2)
PARAMETER
SYMBOL
V
OL
V
OH
V
OL
V
OL
CONDITIONS
MIN
TYP
MAX
0.4
0.4
0.4
UNITS
V
V
V
V
Logic 0 Output, 32kHz
Logic 1 Output, DOUT
Logic 0 Output, DOUT,
INT
/SQW
Logic 0 Output,
RST
Output Leakage Current 32kHz,
INT
/SQW, DOUT
Input Leakage DIN,
CS
, SCLK
RST
Pin I/O Leakage
TCXO (V
CC
= 2.3V to 5.5V, V
BAT
= 2.3V to 3.8V, T
A
= -40
°
C to +85
°
C, unless otherwise noted.) (Notes 1 and 2)
Output Frequency
f
OUT
V
CC
= 3.3V or V
BAT
= 3.3V
I
OL
= 1mA
I
OH
= -1.0mA
I
OL
= 3mA
I
OL
= 1.0mA
0.85 x V
CC
I
LO
Output high impedance
-1
0
+1
μA
I
LI
I
OL
RST
high impedance (Note 5)
-1
+1
+10
μA
μA
-200
32.768
kHz
0°C to +40°C
-40°C to 0°C and
+40°C to +85°C
-2
+2
Frequency Stability vs.
Temperature
f/f
OUT
V
CC
= 3.3V or
V
BAT
= 3.3V
-3.5
+3.5
ppm
Frequency Stability vs. Voltage
f/V
1
ppm/V
-40°C
+25°C
+70°C
+85°C
0.7
0.1
0.4
0.8
Trim Register Frequency
Sensitivity per LSB
f/LSB
Specified at:
ppm
Temperature Accuracy
Temp
-3
+3
°C
First year
0–10 years
±1.0
±5.0
Crystal Aging
f/f
OUT
After reflow,
not production tested
ppm
ELECTRICAL CHARACTERISTICS
(
V
CC
= 0V, V
BAT
= 2.0V to 3.8V
, T
A
= -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V
BAT
= 3.4V
1.5
2.3
Battery Current
(Note 4)
I
BAT
EOSC
= 0, BBSQW = 0
V
BAT
= 3.8V
1.5
2.5
μA
Temperature Conversion Current
Data-Retention Current
I
TC
EOSC
= 0, BBSQW = 0
EOSC
= 1
400
100
μA
nA
I
BATTC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS3234S- 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM
DS3234S# 功能描述:實(shí)時(shí)時(shí)鐘 Integrated RTC/TCXO/Crystal RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS3234S# 制造商:Maxim Integrated Products 功能描述:RTC TCXO CRYSTAL 3.3V 20SOIC 制造商:Maxim Integrated Products 功能描述:RTC, TCXO, CRYSTAL, 3.3V, 20SOIC 制造商:Maxim Integrated Products 功能描述:RTC, TCXO, CRYSTAL, 3.3V, 20SOIC; Date Format:DD:MM:YYYY; Clock Format:HH:MM:SS; Clock IC Type:RTC; Supply Voltage Min:2V; Supply Voltage Max:5.5V; Digital IC Case Style:SOIC; No. of Pins:20; Interface Type:SPI; Operating Temperature;RoHS Compliant: Yes
DS3234S#T&R 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 256BYTE 20SOIC W - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RTC W/TCXO 20-SOIC
DS3234S#T&R 功能描述:實(shí)時(shí)時(shí)鐘 Integrated RTC/TCXO/Crystal RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
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