322
RF
T
a
g Memo
ry Capa
cities
a
nd Memo
ry Typ
e
s
Se
ction 11
RFID System
User's Manual
(Modbus TCP)
Section 11
Appendices
RF Tag Memory Capacities and Memory Types
(As of July 2019)
Model
Memory capacity (user
memory)
Memory type
Life expectancy
V680-D1KP54T
V680-D1KP66T
V680-D1KP66MT
V680-D1KP66T-SP
1,000 bytes
EEPROM
•
Write endurance: 100,000 times per block
(25
°
C)
•
Data retention: 10 years after writing (85
°
C
or less)
V680-D1KP58HTN
•
Write endurance: 100,000 times per block
(25
°
C)
•
Data retention: 10 years after writing (85
°
C
or less)
* Total data retention at high temperatures
exceeding 125
°
C is 10 hours
V680S-D2KF67
V680S-D2KF67M
V680S-D2KF68
V680S-D2KF68M
2,000 bytes
FRAM
•
Access frequency: One trillion times
•
Data retention: 10 years after writing (85
°
C
or less)
V680S-D8KF67
V680S-D8KF67M
V680S-D8KF68
V680S-D8KF68M
8,192 bytes
