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參數(shù)資料
| 型號： | LRI64 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Memory TAG IC, 64-bit Unique ID with WORM User Area 13.56MHz, ISO 15693 Standard Compliant |
| 中文描述： | 內(nèi)存標(biāo)簽IC，64位唯一ID與WORM的用戶區(qū)13.56，ISO 15693標(biāo)準(zhǔn)兼容 |
| 文件頁數(shù)： | 20/38頁 |
| 文件大?。?/td> | 515K |
| 代理商： | LRI64 |
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LRI64
20/38
TIMING DEFINITIONS
Figure 21.
shows three specific delay times: t
1
, t
2
and t
3
. All of them have a minimum value, speci-
fied in
Table 14.
. The t
1
parameter also has a max-
imum and a typical value specified in
Table 14.
, as
summarized in
Table 8.
Table 8. Timing Values
Note: 1.
t
SOF
is the duration for the LRI64 to transmit an SOF to
the VCD.
2.
t
1
(max)
does not apply for write alike requests. Timing
conditions for write alike requests are defined in the com-
mand description.
3. The tolerance of specific timings is ± 32/
f
C
.
LRI64 Response Delay, t
1
Upon detection of the rising edge of the EOF re-
ceived from the VCD, the LRI64 waits for a time
equal to
t
1
(typ) = 4352 /
f
C
before starting to transmit its response to a VCD
request, or switching to the next slot when in an in-
ventory process.
VCD New Request Delay, t
2
t
2
is the time after which the VCD may send an
EOF to switch to the next slot when one or more
LRI64 responses have been received during an in-
ventory command. It starts from the reception of
the EOF received from the LRI64 devices.
The EOF sent by the VCD is 10% modulated, in-
dependent of the modulation index used for trans-
mitting the VCD request to the LRI64.
t
2
is also the time after which the VCD may send a
new request to the LRI64 as described in
Figure
18.
t
2
(min) = 4192 /
f
C
VCD New Request Delay when there is No
LRI64 Response, t
3
t
3
is the time after which the VCD may send an
EOF to switch to the next slot when no LRI64 re-
sponse has been received.
The EOF sent by the VCD is 10% modulated, in-
dependent of the modulation index used for trans-
mitting the VCD request to the LRI64.
From the time the VCD has generated the rising
edge of an EOF:
–
The VCD waits for a time at least equal to the
sum of t
3
(min) and the typical response time of
an LRI64, which depends on the data rate and
subcarrier modulation mode, before sending a
subsequent EOF.
Min.
Typ.
Max.
t
1
t
1
(min)
t
1
(typ) = 4352 /
f
C
t
1
(max)
t
2
t
2
(min) = 4192 /
f
C
—
—
t
3
t
1
(max) + t
SOF
(see notes
1,2
)
—
—
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LRI64_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Memory TAG IC at 13.56 MHz, with 64-bit Unique ID and WORM user area, ISO15693 and ISO18000-3 Mode 1 compliant |
| LRI64_08 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Memory tag IC at 13.56 MHz, with 64-bit unique ID and WORM user area, ISO 15693 and ISO 18000-3 Mode 1 compliant |
| LRI64-A1S | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Memory TAG IC, 64-bit Unique ID with WORM User Area 13.56MHz, ISO 15693 Standard Compliant |
| LRI64-A1S/1GE | 功能描述:電可擦除可編程只讀存儲器 TAG IC 13.56 MHz W/ 64-bit Unique ID RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| LRI64-A1S/XXX | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Memory TAG IC, 64-bit Unique ID with WORM User Area 13.56MHz, ISO15693 and ISO18000-3 Mode 1 Compliant |
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