參數(shù)資料
型號(hào)： ISL83387EIVZ
廠商： INTERSIL CORP
元件分類(lèi)： 通用總線功能
英文描述： Quadruple 2-Input Positive-OR Gates 14-SOIC -40 to 85
中文描述： TRIPLE LINE TRANSCEIVER, PDSO24
封裝： ROHS COMPLIANT, PLASTIC, MO-153AD, TSSOP-24
文件頁(yè)數(shù)： 2/13頁(yè)
文件大?。?/td> 317K
代理商： ISL83387EIVZ
2
FN6040.1
July 8, 2005
TABLE 1. SUMMARY OF FEATURES
PART NUMBER
NO. OF
Tx.
NO. OF
Rx.
DATA RATE
(kbps)
Rx. ENABLE
FUNCTION
V
L
LOGIC
SUPPLY PIN
MANUAL
POWER- DOWN
ENHANCED AUTOMATIC
POWERDOWN FUNCTION
ISL83387E
3
3
250
NO
YES
YES
YES
Pinout
ISL83387E (TSSOP)
TOP VIEW
C1+
V+
C1-
C2+
C2-
V-
T1
IN
T2
IN
INVALID
FORCEON
R3
OUT
FORCEOFF
GND
T1
OUT
T2
OUT
T3
OUT
R1
IN
R2
IN
R3
IN
V
L
R1
OUT
R2
OUT
V
CC
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
T3
IN
Pin Descriptions
PIN
FUNCTION
V
CC
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.
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.
T
IN
TTL/CMOS compatible transmitter Inputs. The switching point is a function of the V
L
voltage.
T
OUT
±
15kV ESD Protected
,
RS-232 level (nominally
±
5.5V) transmitter outputs.
R
IN
±
15kV ESD Protected
,
RS-232 compatible receiver inputs.
R
OUT
TTL/CMOS level receiver outputs. Swings between GND and V
L
.
V
L
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 V
L
.
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 V
L
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 V
L
voltage.
ISL83387E
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