参数资料
型号: DS1388Z-3+T&R
厂商: Maxim Integrated Products
文件页数: 14/19页
文件大小: 0K
描述: IC RTC I2C W/CHARGER 8-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 时钟/日历
特点: EEPROM,闰年,监控器,涓流充电器,监视计时器
存储容量: 512B
时间格式: HH:MM:SS:hh(12/24 小时)
数据格式: YY-MM-DD-dd
接口: I²C,2 线串口
电源电压: 2.7 V ~ 3.3 V
电压 - 电源,电池: 1.3 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-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
I2C RTC/Supervisor with Trickle Charger
and 512 Bytes EEPROM
4
Maxim Integrated
DS1388
AC ELECTRICAL CHARACTERISTICS
(VCC = VCC(MIN) to VCC(MAX), TA = -40°C to +85°C, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
Fast mode
100
400
SCL Clock Frequency
fSCL
Standard mode
0
100
kHz
Fast mode
1.3
Bus Free Time Between a STOP
and START Condition
tBUF
Standard mode
4.7
μs
Fast mode
0.6
Hold Time (Repeated) START
Condition (Note 12)
tHD:STA
Standard mode
4.0
μs
Fast mode
1.3
LOW Period of SCL Clock
tLOW
Standard mode
4.7
μs
Fast mode
0.6
HIGH Period of SCL Clock
tHIGH
Standard mode
4.0
μs
Fast mode
0.6
Setup Time for a Repeated
START Condition
tSU:STA
Standard mode
4.7
μs
Fast mode
0
0.9
Data Hold Time (Notes 13, 14)
tHD:DAT
Standard mode
0
μs
Fast mode
100
Data Setup Time (Note 15)
tSU:DAT
Standard mode
250
ns
Fast mode
300
Rise Time of Both SDA and SCL
Signals (Note 16)
tR
Standard mode
20 +
0.1CB
1000
ns
Fast mode
300
Fall Time of Both SDA and SCL
Signals (Note 16)
tF
Standard mode
20 +
0.1CB
300
ns
Fast mode
0.6
Setup Time for STOP Condition
tSU:STO
Standard mode
4.0
μs
Capacitive Load for Each Bus
Line
CB
(Note 16)
400
pF
I/O Capacitance (SDA, SCL, RST)
CI/O
+25°C
10
pF
Pushbutton Debounce
PBDB
160
180
ms
Reset Active Time
tRST
160
180
ms
EEPROM Write Cycle Time
tWEE
8
10
ms
Oscillator Stop Flag (OSF) Delay
tOSF
(Note 17)
20
ms
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