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TOIM4232 Datasheet(数据表) 3 Page - Vishay Siliconix

部件型号  TOIM4232
说明  SIR Endec for IrDA Applications Integrated Interface Circuit
下载  14 Pages
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制造商  VISHAY [Vishay Siliconix]
网页  http://www.vishay.com
标志 VISHAY - Vishay Siliconix

TOIM4232 Datasheet(HTML) 3 Page - Vishay Siliconix

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TOIM4232
Document Number 82546
Rev. 1.5, 06-Jun-06
Vishay Semiconductors
www.vishay.com
3
Block diagram of application circuit
Operating the interface circuit at a PC COM - port.
When operating directly with an UART with 3 V - or
5 V - logic, in the application circuit no level converter
is necessary.
Table 1.
Recommended Application Circuit Components
Absolute Maximum Ratings
DC Characteristics
VCC = 3.3 V ± 5 %, operating temperature = - 55 °C to + 125 °C
18081
DTR
RTS
TXD
RXD
RESET VCC_SD
BR/D
TD_IR
TD_232
RD_IR
RD_232
TOIM4232
VCC
TXD
RXD
RS232 9 pin
connector
Level
converter
X1
X2
TFDU4100
TFDS420x
TFDU4300
R1
100 k
Ω
C1
C2
3.6864 MHz
2x22pF
Component
Recommended Value
Vishay Part Number
C1
22 pF
VJ 1206 A 220 J XAMT
C2
22 pF
VJ 1206 A 220 J XAMT
R1
100 k
Ω
CRCW-1206-1003-F-RT1
Quartz Crystal
3.686400 MHz
XT49S - 20 - 3.686400M
Parameter
Test Conditions
Symbol
Min
Typ.
Max
Unit
Supply voltage
VCC
- 0.5
3.6
V
Input voltage
all pins
- 0.5
5.5
V
Output voltage
all pins
- 0.5
VCC + 0.5
V
Output sinking current, max
all pins
IO
8mA
Junction temperature, max
TJ
125
°C
Ambient temperature
(operating)
Tamb
- 25
85
°C
Storage temperature
Tstg
- 25
85
°C
Soldering temperature
Tsldr
260
°C
Parameter
Test Conditions
Symbol
Min
Typ.
Max
Unit
Operating voltage
VCC
2.7
3.3
3.6
V
Parameter
Test Conditions
Symbol
Min
Typ.
Max
Unit
Input HIGH voltage
inputs tolerate levels as high as
5.5 V max. all inputs are Schmitt
trigger inputs
VIH
2.0
V
Input LOW voltage
VIL
0.8
V
Input Schmitt trigger hysteresis
Vhyst
0.6
V




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