參數(shù)資料
型號(hào): XR16C2550IMTR-F
廠商: Exar Corporation
文件頁(yè)數(shù): 2/37頁(yè)
文件大?。?/td> 0K
描述: IC UART FIFO 16B DUAL 48TQFP
標(biāo)準(zhǔn)包裝: 1,500
特點(diǎn): *
通道數(shù): 2,DUART
FIFO's: 16 字節(jié)
規(guī)程: RS232,RS485
電源電壓: 2.97 V ~ 5.5 V
帶故障啟動(dòng)位檢測(cè)功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 48-TQFP
供應(yīng)商設(shè)備封裝: 48-TQFP(7x7)
包裝: 帶卷 (TR)
XR16C2550
10
2.97V TO 5.5V DUART WITH 16-BYTE FIFO
REV. 1.0.2
To obtain maximum data rate, it is necessary to use full rail swing on the clock input. See external clock
operating frequency over power supply voltage chart in Figure 6.
FIGURE 5. EXTERNAL CLOCK CONNECTION FOR EXTENDED DATA RATE
FIGURE 6. OPERATING FREQUENCY VERSUS POWER SUPPLY CHART.
Requires a 2K ohms pull-up resistor on XTAL2 pin to increase operating speed
2K
XTAL1
XTAL2
R1
VCC
External Clock
vcc
gnd
60
50
40
30
3.0
4.5
5.5
3.5 4.0
5.0
Suppy Voltage
XTA
L1
E
x
te
rn
a
l
Cl
o
c
k
Freq
ue
nc
y
in
MHz.
70
80
85oC
25oC
-40oC
Operating frequency for XR16C2550
with external clock and a 2K ohms
pull-up resistor on XTAL2 pin.
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