参数资料
型号: MAX6902ETA+T
厂商: Maxim Integrated Products
文件页数: 14/20页
文件大小: 0K
描述: IC RTC SPI COMPAT 8-TDFN
标准包装: 1
类型: 时钟/日历
特点: 警报器,闰年,NVSRAM,Y2K
存储容量: 31B
时间格式: HH:MM:SS(12/24 小时)
数据格式: YY-MM-DD-dd
接口: SPI
电源电压: 2 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-WDFN 裸露焊盘
供应商设备封装: 8-TDFN-EP(3x3)
包装: 标准包装
其它名称: MAX6902ETA+TDKR
MAX6902
SPI-Compatible RTC in a TDFN
_______________________________________________________________________________________
3
AC ELECTRICAL CHARACTERISTICS
(VCC = +2.0V to +5.5V, TA = -40
°C to +85°C. Typical values are at VCC = +3.3V, TA = +25°C, unless otherwise noted.) (Figure 5,
Notes 1, 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OSCILLATOR
X1 to Ground
Capacitance
25
pF
X2 to Ground
Capacitance
25
pF
SPI SERIAL TIMING
Maximum Input Rise
Time
trIN
DIN, SCLK, CS
2
μs
Maximum Input Fall
Time
tfIN
DIN, SCLK, CS
2
μs
Output Rise Time
trOUT
DOUT, CLOAD = 100pF
10
ns
Output Fall Time
tfOUT
DOUT, CLOAD = 100pF
10
ns
VCC = +2V
1000
SCLK Period
tCP
VCC = +5V
238
ns
SCLK High Time
tCH
100
ns
SCLK Low Time
tCL
100
ns
SCLK Fall to DOUT
Valid
tDO
CLOAD = 100pF
100
ns
DIN to SCLK Setup
Time
tDS
100
ns
DIN to SCLK Hold
Time
tDH
2ns
SCLK Rise to CS
Rise Hold Time
tCSH
2ns
CS High Pulse Width
tCSW
200
ns
CS High to DOUT
High Impedance
tCSZ
100
ns
CS to SCLK Setup
Time
tCSS
100
ns
Note 1: All parameters are 100% tested at TA = +25°C. Limits over temperature are guaranteed by design and characterization and
not production tested.
Note 2: ICC is specified with DOUT open, CS = DIN = GND, SCLK = 4MHz at VCC = +5V; SCLK = 1MHz at VCC = +2.0V.
Note 3: Timekeeping current is specified with CS = VCC, SCLK = DIN = GND, DOUT = 100k
Ω to GND.
Note 4: All values referred to VIH min and VIL max levels.
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