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參數(shù)資料
| 型號： | ISL4270EIR |
| 廠商： | Intersil |
| 文件頁數(shù)： | 6/13頁 |
| 文件大小： | 0K |
| 描述： | IC 3DRVR/3RCVR RS232 3V 32-QFN |
| 標準包裝： | 60 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 3/3 |
| 規(guī)程： | RS232 |
| 電源電壓： | 3 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VFQFN 裸露焊盤 |
| 供應商設備封裝： | 32-QFN 裸露焊盤（5x5） |
| 包裝： | 管件 |
2
FN6041.2
June 16, 2010
Pinout
ISL4270E (QFN)
TOP VIEW
NC
C2+
C2-
V-
T1IN
T2IN
INVALID
T1OUT
T2OUT
T3OUT
R1IN
R2IN
R3IN
NC
T3
IN
FORCE
ON
R3
OU
T
R2
OU
T
V
L
R1
OU
T
C1-
V+
C1+
FORCE
OFF
V
CC
NC
GND
NC
7
11
12
13
14
15
9
10
6
1
2
3
4
5
8
16
18
19
24
23
22
21
20
17
27
28
29
30
31
25
26
32
NC
PD
Pin Descriptions
PIN
FUNCTION
VCC
System power supply input (3.0V to 5.5V).
V+
Internally generated positive transmitter supply (+5.5V).
V-
Internally generated negative transmitter supply (-5.5V).
GND
Ground connection. This is also the potential of the thermal pad (PD).
C1+
External capacitor (voltage doubler) is connected to this lead.
C1-
External capacitor (voltage doubler) is connected to this lead.
C2+
External capacitor (voltage inverter) is connected to this lead.
C2-
External capacitor (voltage inverter) is connected to this lead.
TIN
TTL/CMOS compatible transmitter Inputs. The switching point is a function of the VL voltage.
TOUT
±15kV ESD Protected
, RS-232 level (nominally ±5.5V) transmitter outputs.
RIN
±15kV ESD Protected
, RS-232 compatible receiver inputs.
ROUT
TTL/CMOS level receiver outputs. Swings between GND and VL.
VL
Logic-Level Supply. All TTL/CMOS inputs and outputs are powered by this supply.
INVALID
Active low output that indicates if no valid RS-232 levels are present on any receiver input. Swings between GND and VL.
FORCEOFF Active low to shut down transmitters and on-chip power supply. This overrides any automatic circuitry and FORCEON (see Table 2).
The switching point is a function of the VL voltage.
FORCEON Active high input to override automatic powerdown circuitry thereby keeping transmitters active (FORCEOFF must be high). The
switching point is a function of the VL voltage.
PD
Exposed Thermal Pad. Connect to GND.
ISL4270E
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| ISL4270EIR-T | 功能描述:IC 3DRVR/3RCVR RS232 3V 32-QFN RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:25 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:4.5 V ~ 5.5 V 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 供應商設備封裝:16-PDIP 包裝:管件 |
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| ISL4270EIRZ-T | 功能描述:IC XMITTER/RCVR ESD RS232 32-QFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-PDIP 包裝:管件 產(chǎn)品目錄頁面:1402 (CN2011-ZH PDF) |
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