参数资料
型号: DS1822-PAR+T&R
厂商: Maxim Integrated
文件页数: 11/19页
文件大小: 0K
描述: IC THERMOMETER ECONO DIG TO-92
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
感应温度: -55°C ~ 125°C
输出类型: 数字
电源电压: 3 V ~ 5 V
精确度: ±2°C
封装/外壳: TO-226-3、TO-92-3(TO-226AA)成形引线
供应商设备封装: TO-92-3
包装: 带卷 (TR)
DS1822-PAR
ROM COMMANDS FLOW CHART Figure 9
Initialization
Sequence
MASTER T X
RESET PULSE
DS1822-PAR T X
PRESENCE
PULSE
MASTER T X ROM
COMMAND
33h
READ ROM
N
55h
MATCH ROM
N
F0h
SEARCH ROM
N
ECh
ALARM SEARCH
N
CCh
SKIP ROM
N
COMMAND
Y
COMMAND
Y
COMMAND
Y
COMMAND
Y
COMMAND
Y
MASTER T X
BIT 0
DS1822-PAR T X
FAMILY CODE
1 BYTE
DS1822-PAR T X BIT 0
DS1822-PAR T X BIT 0
MASTER T X BIT 0
DS1822-PAR T X BIT 0
DS1822-PAR T X BIT 0
MASTER T X BIT 0
BIT 0
MATCH?
N
N
BIT 0
MATCH?
DEVICE(S)
WITH ALARM
FLAG SET?
N
DS1822-PAR T X
SERIAL NUMBER
6 BYTES
Y
Y
Y
DS1822-PAR T X BIT 1
DS1822-PAR T X
CRC BYTE
MASTER T X
BIT 1
BIT 1
MATCH?
Y
MASTER T X
BIT 63
BIT 63
MATCH?
Y
N
N
DS1822-PAR T X BIT 1
MASTER T X BIT 1
N
BIT 1
MATCH?
Y
DS1822-PAR T X BIT 63
DS1822-PAR T X BIT 63
MASTER T X BIT 63
N
BIT 63
MATCH?
Y
MASTER T X
FUNCTION
COMMAND
(FIGURE 10)
11 of 19
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