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FT121Q-R 数据表(PDF) 41 Page - Future Technology Devices International Ltd.

部件名 FT121Q-R
功能描述  Enhanced USB Device Controller with SPI Slave IC
PDF  46 Pages
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制造商  FTDI [Future Technology Devices International Ltd.]
网页  http://www.ftdichip.com
标志 FTDI - Future Technology Devices International Ltd.

FT121Q-R 数据表(HTML) 41 Page - Future Technology Devices International Ltd.

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Copyright © 2014 Future Technology Devices International Limited
41
Document No.: FT_000648
FT121 ENHANCED USB DEVICE CONTROLLER WITH SPI SLAVE IC
Datasheet Version 1.2
Clearance No.: FTDI#
312
9.4 QFN-16 Package Markings
Figure 9-4 QFN-16 Package Markings
The date code format is YYWW where WW = 2 digit week number, YY = 2 digit year number.
9.5 Solder Reflow Profile
The FT121 is supplied in Pb free TSSOP-16 and QFN-16 packages. The recommended solder reflow profile
for both package options is shown in Figure 9-5.
Figure 9-5 FT121 Solder Reflow Profile
Critical Zone: when
T is in the range
T to T
Time, t (seconds)
25
P
T = 25º C to T
tp
Tp
TL
t
Preheat
S
t
L
Ramp Up
L
p
Ramp
Down
T Max
S
T Min
S
Line 1 – FTDI Logo
Line 2 – Date Code, Revision
Line 3 – FTDI Part Number
FT121Q
YYWW-B



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