Truth Tables
參數(shù)資料
型號: ISL8488EIB
廠商: Intersil
文件頁數(shù): 6/13頁
文件大?。?/td> 0K
描述: IC TXRX RS485/422 5V ESD 8-SOIC
標準包裝: 98
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: 4.5 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設(shè)備封裝: 8-SOICN
包裝: 管件
2
FN6073.4
July 26, 2007
Pinouts
ISL8488E, ISL8490E
(8 LD SOIC)
TOP VIEW
ISL8489E, ISL8491E
(14 LD SOIC)
TOP VIEW
Truth Tables (For ISL8488E, ISL8490E, only the DE = 1 and RE = 0 entries are valid)
VCC
RO
DI
GND
1
2
3
4
8
7
6
5
A
B
Z
Y
D
R
NC
RO
RE
DE
DI
GND
VCC
NC
A
B
Z
Y
NC
1
2
3
4
5
6
7
14
13
12
11
10
9
8
D
R
Ordering Information
PART
NUMBER
(Note 1)
PART
MARKING
TEMP.
RANGE (°C) PACKAGE
PKG.
DWG. #
ISL8488EIB
8488 EIB
-40 to +85
8 Ld SOIC
M8.15
ISL8488EIBZA
(Note 2)
8488 EIBZ
-40 to +85
8 Ld SOIC
(Pb-free)
M8.15
ISL8489EIB
-40 to +85
14 Ld SOIC M14.15
ISL8489EIBZ
(Note 2)
8489EIBZ
-40 to +85
14 Ld SOIC
(Pb-free)
M14.15
ISL8490EIBZ
(Note 2)
8490E IBZ
-40 to +85
8 Ld SOIC
(Pb-free)
M8.15
ISL8491EIB
-40 to +85
14 Ld SOIC M14.15
ISL8491EIBZ
(Note 2)
8491EIBZ
-40 to +85
14 Ld SOIC
(Pb-free)
M14.15
NOTES:
2. Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and
100% matte tin plate termination finish, which are RoHS
compliant and compatible with both SnPb and Pb-free soldering
operations. Intersil Pb-free products are MSL classified at
Pb-free peak reflow temperatures that meet or exceed the
Pb-free requirements of IPC/JEDEC J STD-020.
TRANSMITTING
INPUTS
OUTPUTS
RE
DE
DI
Z
Y
X
1101
X
1010
X
0
X
High-Z
RECEIVING
INPUTS
OUTPUT
RE
DE
A-B
RO
0X
≥ +0.2V
1
0X
≤ -0.2V
0
X
Inputs Open
1
X
High-Z
Pin Descriptions
PIN
FUNCTION
RO
Receiver output: If A > B by at least 0.2V, RO is high; If A < B by 0.2V or more, RO is low; RO = High if A and B are unconnected (floating).
RE
Receiver output enable. RO is enabled when RE is low; RO is high impedance when RE is high.
DE
Driver output enable. The driver outputs, Y and Z, are enabled by bringing DE high. They are high impedance when DE is low.
DI
Driver input. A low on DI forces output Y low and output Z high. Similarly, a high on DI forces output Y high and output Z low.
GND
Ground connection.
A
±15kV HBM ESD Protected, Non-inverting receiver input.
B
±15kV HBM ESD Protected, Inverting receiver input.
Y
±15kV HBM ESD Protected, Non-inverting driver output.
Z
±15kV HBM ESD Protected, Inverting driver output.
VCC
System power supply input (4.5V to 5.5V).
NC
No Connection.
ISL8488E, ISL8489E, ISL8490E, ISL8491E
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