VNC1L FTDI, VNC1L Datasheet - Page 13

• Manufacturer Part Number: VNC1L
• Description: IC, USB HOST CONTROLLER, LQFP-48
• Manufacturer: FTDI

Specifications of VNC1L

• Usb Type: Host Controller
• Usb Version: 2.0
• No. Of Ports: 2
• Supply Voltage Range: 3V To 3.6V
• Operating Temperature Range: 0°C To +70°C
• Digital Ic Case Style: LQFP
• No. Of Pins: 48
• Termination Type: SMD
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

The VNC1L is supplied in Pb �ree 48 LD LQFP package� The recommended solder reflow profile is shown in below�
Figure 1�� - VNC1L Solder Reflow Profile
The recommended values �or the solder reflow profile are detailed in Table 4� Values are shown �or both a completely
Pb free solder process �i.e. the VNC1L is used with Pb free solder), and for a non-Pb free solder process �i.e. the
VNC1L is used with non-Pb free solder).
Table 1� - Reflow Profile Parameter Values
Vinculum VNC1L Embedded USB Host Controller I.C. Datasheet Version 0.96
Profile Feature
Average Ramp Up Rate �T
- Temperature �in �T
- Temperature �a�� �T
- Time �t
- Temperature �T
- Time �t
Pea�� Temperature �T
Time within �°C of actual Pea�� Temperature �t
Ramp Down Rate
Time for T= 2�°C to Pea�� Temperature, T
Time Maintained Above Critical Temperature T
2�
T
T
p
L
T �a��
T �in
S
S
S
L
3.2 Solder Reflow Profile
)
�in to t
L
S
)
�a��)
S
P
S
Preheat
)
�in.)
�a��.)
s
to T
T = 2�º C to T
Preheat
Time, t �seconds)
p
t
)
S
p
P
Ramp Up
P
)
L
:
Pb Free Solder Process
3°C / second �a��.
60 to 180 seconds
60 to 1�0 seconds
6°C / second �a��.
20 to �0 seconds
8 minutes �a��.
t
p
1�0°C
200°C
217°C
260°C
t
L
Ramp
Down
© Future Technology Devices Intl Ltd. 2006-2007
Critical Zone: when
T is in the range
T to T
L
Non-Pb Free Solder Process
p
3°C / Second �a��.
60 to 120 seconds
60 to 1�0 seconds
6°C / second �a��.
10 to 30 seconds
6 minutes �a��.
100°C
1�0°C
183°C
2�0°C