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參數(shù)資料
| 型號(hào)： | DS3234 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM |
| 中文描述： | 高精度、SPI總線RTC，集成晶體和SRAM |
| 文件頁(yè)數(shù)： | 4/20頁(yè) |
| 文件大?。?/td> | 328K |
| 代理商： | DS3234 |
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D
Extremely Accurate SPI Bus RTC with
Integrated Crystal and SRAM
4
_____________________________________________________________________
AC ELECTRICAL CHARACTERISTICS
(V
CC
= 2.0V to 5.5V, T
A
= -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
4
2
UNITS
2.7V
≤
V
CC
≤
5.5V
2.0V
≤
V
CC
<
2.7V
SCLK Clock Frequency
f
SCL
MHz
Data to SCLK Setup
SCLK to Data Hold
SCLK to
CS
Setup
t
DC
t
CDH
t
CCS
30
30
30
ns
ns
ns
2.7V
≤
V
CC
≤
5.5V
2.0V
≤
V
CC
<
2.7V
2.7V
≤
V
CC
≤
5.5V
2.0V
≤
V
CC
<
2.7V
2.7V
≤
V
CC
≤
5.5V
2.0V
≤
V
CC
<
2.7V
80
160
SCLK to Data Valid (Note 6)
t
CDD
ns
110
220
110
220
SCLK Low Time
t
CL
ns
SCLK High Time
t
CH
ns
SCLK Rise and Fall
CS
to SCLK Setup
t
R
, t
F
t
CC
200
ns
ns
400
100
200
2.7V
≤
V
CC
≤
5.5V
2.0V
≤
V
CC
<
2.7V
SCLK to
CS
Hold
t
CCH
ns
CS
Inactive Time
CS
to Output High Impedance
Pushbutton Debounce
Reset Active Time
Oscillator Stop Flag (OSF) Delay
Temperature Conversion Time
t
CWH
t
CDZ
PB
DB
t
RST
t
OSF
t
CONV
400
40
ns
ns
ms
ms
ms
ms
(Note 7)
250
250
100
125
(Note 8)
200
POWER-SWITCH CHARACTERISTICS
(T
A
= -40°C to +85°C)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V
CC
Fall Time; V
PF(MAX)
to
V
PF(MIN)
V
CC
Rise Time; V
PF(MIN)
to
V
PF(MAX)
Recovery at Power-Up
t
VCCF
300
μs
t
VCCR
0
μs
t
REC
(Note 9)
125
300
ms
CAPACITANCE
(T
A
= +25°C)
PARAMETER
SYMBOL
C
IN
C
IO
CONDITIONS
MIN
TYP
MAX
10
10
UNITS
pF
pF
Capacitance on All Input Pins
Capacitance on All Output Pins
(Note 10)
Outputs high impedance (Note 10)
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| DS3234_BREAKOUT_ | 制造商:MCM 功能描述:DS3234 BREAKOUT BOARD 制造商:PREMIER FARNELL 功能描述:DS3234 BREAKOUT BOARD |
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