參數(shù)資料
型號: SN74ALVC245DGVR
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: ALVC/VCX/A SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封裝: GREEN, PLASTIC, TVSOP-20
文件頁數(shù): 11/18頁
文件大?。?/td> 677K
代理商: SN74ALVC245DGVR
www.ti.com
DIR
OE
A1
B1
To Seven Other Channels
1
2
19
18
ABSOLUTE MAXIMUM RATINGS
(1)
SN74ALVC245
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES271D – APRIL 1999 – REVISED JULY 2004
FUNCTION TABLE
INPUTS
OPERATION
OE
DIR
L
B data to A bus
L
H
A data to B bus
H
X
Isolation
LOGIC DIAGRAM (POSITIVE LOGIC)
over operating free-air temperature range (unless otherwise noted)
MIN
MAX
UNIT
VCC
Supply voltage range
-0.5
4.6
V
Except I/O ports(2)
-0.5
4.6
VI
Input voltage range
V
I/O ports(2)(3)
-0.5
VCC + 0.5
VO
Output voltage range(2)(3)
-0.5
VCC + 0.5
V
IIK
Input clamp current
VI < 0
-50
mA
IOK
Output clamp current
VO < 0
-50
mA
IO
Continuous output current
±50
mA
Continuous current through VCC or GND
±100
mA
DGV package(4)
92
DW package(4)
58
θ
JA
Package thermal impedance
NS package(4)
60
°C/W
PW package(4)
83
RGY package(5)
37
Tstg
Storage temperature range
-65
150
°C
(1)
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed.
(3)
This value is limited to 4.6 V, maximum.
(4)
The package thermal impedance is calculated in accordance with JESD 51-7.
(5)
The package thermal impedance is calculated in accordance with JESD 51-5.
2
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