FT121Q-R FTDI, FT121Q-R Datasheet - Page 40

• Manufacturer Part Number: FT121Q-R
• Description: USB Interface IC USB CONTROLLER W/SPI SLAVE IC
• Manufacturer: FTDI

Specifications of FT121Q-R

• Rohs: yes
• Product: USB 2.0
• Interface Type: SPI, USB
• Operating Supply Voltage: 4 V to 5.5 V
• Operating Supply Current: 3.9 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-16
• Minimum Operating Temperature: - 40 C

9.4
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
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
25
T
T
p
L
T Max
T Min
QFN-16 Package Markings
Solder Reflow Profile
S
S
Copyright © 2012 Future Technology Devices International Limited
FT121Q
T = 25º C to T
Preheat
YYWW-B
Time, t (seconds)
t
S
P
FT121 ENHANCED USB DEVICE CONTROLLER WITH SPI SLAVE IC
Ramp Up
t
p
t
L
Ramp
Down
Critical Zone: when
T is in the range
Line 1 – FTDI Logo
Line 2 – Date Code, Revision
Line 3 – FTDI Part Number
T to T
L
Document No.: FT_000648
Clearance No.: FTDI#
p
Datasheet Version 1.0
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