Specifications

App - 2 App - 2
APPENDICES
(3) FRAM type (8kbytes/32kbytes): V680-D8KF
/V680-D32KF
Communication
Speed Setting
Command
Communication Time (ms)
N: Number of Processed Bytes
Standard mode
Read T=1.3×N+30
Write (with verify) T=1.6×N+59
Write (without verify) T=1.3×N+59
High-speed mode *
1
Read T=0.8×N+25
Write (with verify) T=1.1×N+41
Write (without verify) T=0.9×N+40
*1. When FIFO trigger or FIFO repeat is specified in the communication specification area,
the communication time becomes the standard mode communication time, even if the ID
tag communication speed setting is high-speed mode.
●Communication Speed: Standard Mode ●Communication Speed: High-speed Mode
250
200
150
400
350
300
100
50
200 40 60 80 100 120 140
Number of Bytes (bytes)
ms
Communication Time
Read
Write
(without verify)
Write (with verify)
250
200
150
400
350
300
100
50
200 40 60 80 100 120 140
Number of Bytes (bytes)
ms
Communication Time
Read
Write
(without verify)
Write (with verify)
(4) FRAM type (8kbytes): V680S-D8KF
Communication
Speed Setting
Command
Communication Time (ms)
N: Number of Processed Bytes
Standard mode
Read T=0.6×N+47
Write (with verify) T=1.2×N+128
Write (without verify) T=0.6×N+101
High-speed mode *
1
Read T=0.6×N+47
Write (with verify) T=1.2×N+128
Write (without verify) T=0.6×N+101
*1 When the V680S-D8KF□□ ID tag is used, the communication time does not
differ from the standard mode time, even if high-speed mode is selected.
●Communication Speed: Standard Mode ●Communication Speed: High-speed Mode
250
200
150
400
350
300
100
50
200 40 60 80 100 120 140
ms
Write (with verify)
During read
No. of Bytes (bytes)
Write
(without verify)
Communication Time
250
200
150
400
350
300
100
50
200 40 60 80 100 120 140
ms
Write (with verify)
During read
No. of Bytes (bytes)
Write
(without verify)
Communication Time
App