参数资料
型号: DS28EA00U+T&R
厂商: Maxim Integrated
文件页数: 21/29页
文件大小: 328K
描述: IC THERMOMETER 1-WIRE 8-USOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 3,000
功能: 温度计,恒温计
传感器类型: 内部
感应温度: -40°C ~ 85°C
精确度: ±0.5°C(最小值)
拓扑: 寄存器库,变签式暂存器
输出类型: 数字
输出警报:
输出风扇:
电源电压: 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-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-uMAX
包装: 带卷 (TR)
1-Wire Digital Thermometer with
Sequence Detect and PIO
DS28EA00
Maxim Integrated
21
MASTER Tx BIT 0
OD = 1
OD = 1
OD = 0
*
*THE OD FLAG REMAINS AT 1 IF THE DEVICE WAS ALREADY AT OVERDRIVE SPEED BEFORE THE OVERDRIVE-MATCH ROM COMMAND WAS ISSUED.
*
*
CHAIN = ON?
Y
N
Y
CCh
SKIP ROM
COMMAND?
N
Y
3Ch
OVERDRIVE-
SKIP ROM?
N
Y
EN = LOW?
Y
Y
0Fh
CONDITIONAL
READ ROM?
Y
69h
OVERDRIVE-
MATCH ROM?
N
N
N
N
OD = 0
N
OD = 0
N
MASTER Tx BIT 1
MASTER Tx BIT 63
Y
Y
Y
BIT 0 MATCH?
MASTER Tx
RESET?
BIT 63 MATCH?
BIT 1 MATCH?
N
Y
MASTER Tx
RESET?
N
TO FIGURE 11a
FROM FIGURE 11a
FROM FIGURE 11a
TO FIGURE 11a
DS28EA00 Tx
FAMILY CODE
(1 BYTE)
DS28EA00 Tx
SERIAL NUMBER
(6 BYTES)
DS28EA00 Tx
CRC BYTE
Figure 11b. ROM Functions Flowchart
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