DS3231 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated
零件编号
产品描述 (功能)
生产厂家
DS3231 Datasheet PDF : 19 Pages
| |||
Extremely Accurate I2C-Integrated
RTC/TCXO/Crystal
AC ELECTRICAL CHARACTERISTICS
(VCC = VCC(MIN) to VCC(MAX) or VBAT = VBAT(MIN) to VBAT(MAX), VBAT > VCC, TA = TMIN to TMAX, unless otherwise noted.) (Note 1)
PARAMETER
SCL Clock Frequency
Bus Free Time Between STOP
and START Conditions
Hold Time (Repeated) START
Condition (Note 6)
Low Period of SCL Clock
High Period of SCL Clock
Data Hold Time (Notes 7, 8)
Data Setup Time (Note 9)
Start Setup Time
Rise Time of Both SDA and SCL
Signals (Note 10)
Fall Time of Both SDA and SCL
Signals (Note 10)
Setup Time for STOP Condition
Capacitive Load for Each Bus
Line (Note 10)
Capacitance for SDA, SCL
Pulse Width of Spikes That Must
Be Suppressed by the Input Filter
Pushbutton Debounce
Reset Active Time
Oscillator Stop Flag (OSF) Delay
Temperature Conversion Time
SYMBOL
fSCL
tBUF
tHD:STA
tLOW
tHIGH
tHD:DAT
tSU:DAT
tSU:STA
tR
tF
tSU:STO
CONDITIONS
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
CB
CI/O
tSP
PBDB
tRST
tOSF
tCONV
(Note 11)
MIN TYP
100
0
1.3
4.7
0.6
4.0
1.3
4.7
0.6
4.0
0
0
100
250
0.6
4.7
20 +
0.1CB
20 +
0.1CB
0.6
4.7
10
30
250
250
100
125
MAX
400
100
UNITS
kHz
µs
µs
µs
µs
0.9
µs
0.9
ns
µs
300
ns
1000
300
ns
300
µs
400
pF
pF
ns
ms
ms
ms
200
ms
POWER-SWITCH CHARACTERISTICS
(TA = TMIN to TMAX)
PARAMETER
SYMBOL
VCC Fall Time; VPF(MAX) to
VPF(MIN)
tVCCF
VCC Rise Time; VPF(MIN) to
VPF(MAX)
Recovery at Power-Up
tVCCR
tREC
(Note 12)
CONDITIONS
MIN TYP MAX UNITS
300
µs
0
µs
250
300
ms
4 _____________________________________________________________________
Share Link: 