Clé dallas
Clé dallas
:Chip type: RW1990
RW1990 feature:
1.RW1990 ibutton
2.Low-cost
3.water proof
4.Rewritable ,DS1990A and TM1990A iButton ,
5.can be copy,RW1990
Technique Parameters:
.America DALLAS encryption
.Breakdown Rate:1/100,000
.Serial Number:Only global 64 bit numbers
.System Logic:64bits pin protection
.Memory:8kb RAM
.Inductive Type: touch
.R/W and encrypt
.R/W times:1,500,000,000
.Working Temperature:-40~85
.Lifetime:>20years
.TM Dimension:φ16.25*5.89mm
.Weight: 6g/pc