参数资料
型号: DS1855E-C01+T&R
厂商: Maxim Integrated Products
文件页数: 6/21页
文件大小: 0K
描述: IC DUAL NV DGTL POT/MEM 14-TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1,000
接片: 100,256
电阻(欧姆): 10k
电路数: 2
温度系数: 标准值 750 ppm/°C
存储器类型: 非易失
接口: I²C(设备位址)
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 14-TSSOP
包装: 带卷 (TR)
DS1855
14 of 21
AC ELECTRICAL CHARACTERISTICS
(VCC = 2.7V to 5.5V; TA = -40°C to +85°C, unless otherwise noted.)
PARAMETER
SYMBOL CONDITION
MIN
TYP
MAX UNITS NOTES
SCL Clock Frequency
fSCL
Fast Mode
0
400
kHz
4
Standard Mode
0
100
Bus Free Time Between
STOP and START
t
BUF
Fast Mode
1.3
s
4
Standard Mode
4.7
Hold Time (Repeated)
START Condition
t
HD:STA
Fast Mode
0.6
s
4, 5
Standard Mode
4.0
Low Period of SCL
Clock
t
LOW
Fast Mode
1.3
s
4
Standard Mode
4.7
High Period of SCL
Clock
t
HIGH
Fast Mode
0.6
s
4
Standard Mode
4.0
Data Hold Time
t
HD:DAT
Fast Mode
0
0.9
s
4, 6
Standard Mode
0
0.9
Data Setup Time
t
SU:DAT
Fast Mode
100
ns
4
Standard Mode
250
Start Setup Time
t
SU:STA
Fast Mode
0.6
s
4
Standard Mode
4.7
Rise Time of Both SDA
and SCL Signals
t
R
Fast Mode
20+0.1CB
300
ns
4
Standard Mode 20+0.1CB
1000
Fall Time of Both SDA
and SCL Signals
t
F
Fast Mode
20+0.1CB
300
ns
7
Standard Mode 20+0.1CB
300
Setup Time for STOP
Condition
t
SU:STO
Fast Mode
0.6
s
Standard Mode
4.0
Capacitive Load for
Each Bus Line
C
B
400
pF
7
EEPROM Write Time
tW
2.5
10
ms
8
NONVOLATILE MEMORY CHARACTERISTICS
PARAMETER
SYMBOL CONDITION
MIN
TYP
MAX UNITS NOTES
Writes
TA = +85°C
50,000
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