參數(shù)資料
型號： FT232RL-REEL
廠商： FTDI, Future Technology Devices International Ltd
文件頁數(shù)： 32/43頁
文件大?。?/td> 0K
描述： IC USB FS SERIAL UART 28-SSOP
產(chǎn)品培訓(xùn)模塊： USB Introduction
USB-UART Interface Solutions
標(biāo)準(zhǔn)包裝： 1
系列： USBmadeEZ-UART
特點(diǎn)： USB 至 UART
通道數(shù)： 1，UART
FIFO's： 256 字節(jié)
規(guī)程： RS232，RS422，RS485
電源電壓： 3.3 V ~ 5.25 V
帶自動流量控制功能： 是
帶調(diào)制解調(diào)器控制功能： 是
帶CMOS： 是
安裝類型： 表面貼裝
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 28-SSOP
包裝： 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面： 634 (CN2011-ZH PDF)
配用： 768-1023-ND - MOD USB RS232 DEV/EVAL FT232RL
768-1022-ND - MOD USB UART MINI B DEV FT232R
768-1021-ND - MOD USB UART MINI DEV FT232R
768-1019-ND - MOD USB UART DEV FT232R
其它名稱： 768-1007-6
Copyright 2010 Future Technology Devices International Limited
38
Document No.: FT_000053
FT232R USB UART IC Datasheet Version 2.10
Clearance No.: FTDI# 38
9.5 Solder Reflow Profile
The FT232R is supplied in Pb free 28 LD SSOP and QFN-32 packages. The recommended solder reflow
profile for both package options is shown in Figure 9.5.
Figure 9.5 FT232R Solder Reflow Profile
The recommended values for the solder reflow profile are detailed in Table 9.1. Values are shown for both
a completely Pb free solder process (i.e. the FT232R is used with Pb free solder), and for a non-Pb free
solder process (i.e. the FT232R is used with non-Pb free solder).
Profile Feature
Pb Free Solder Process
Non-Pb Free Solder Process
Average Ramp Up Rate (Ts to Tp)
3°C / second Max.
3°C / Second Max.
Preheat
- Temperature Min (Ts Min.)
- Temperature Max (Ts Max.)
- Time (ts Min to ts Max)
150°C
200°C
60 to 120 seconds
100°C
150°C
60 to 120 seconds
Time Maintained Above Critical Temperature
TL:
- Temperature (TL)
- Time (tL)
217°C
60 to 150 seconds
183°C
60 to 150 seconds
Peak Temperature (Tp)
260°C
240°C
Time within 5°C of actual Peak Temperature
(tp)
20 to 40 seconds
Ramp Down Rate
6°C / second Max.
Time for T= 25°C to Peak Temperature, Tp
8 minutes Max.
6 minutes Max.
Table 9.1 Reflow Profile Parameter Values
Critical Zone: when
T is in the range
T to T
T
e
m
p
e
ra
tu
re
,
T
(D
e
g
re
e
s
C
)
Time, t (seconds)
25
P
T = 25 C to T
tp
Tp
TL
t
Preheat
S
t
L
Ramp Up
L
p
Ramp
Down
T Max
S
T Min
S
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