參數(shù)資料
型號： 74LVT244A
廠商： NXP Semiconductors N.V.
英文描述： Octal Buffers And Line Drivers With 3-State Outputs 20-TSSOP -40 to 85
中文描述： 3.3八路緩沖器/線路驅(qū)動器三態(tài)
文件頁數(shù)： 3/10頁
文件大?。?/td> 89K
代理商： 74LVT244A
Philips Semiconductors
Product specification
74LVT244A
3.3V Octal buffer/line driver (3-State)
1998 Feb 19
3
LOGIC SYMBOL
1OE
1
1A0
2
1A1
4
1A2
6
1A3
8
2OE
19
2A0
11
2A1
18
13
2A2
15
16
2A3
17
14
12
1Y0
1Y1
1Y2
1Y3
2Y0
2Y1
2Y2
2Y3
9
7
5
3
SV00011
FUNCTION TABLE
INPUTS
OUTPUTS
nOE1
nAx
nYx
L
L
L
L
H
H
H
X
Z
H =High voltage level
L
=Low voltage level
X =Don’t care
Z =High impedance ”off” state
LOGIC SYMBOL (IEEE/IEC)
1
2
18
4
16
6
14
8
12
19
11
9
13
7
15
5
17
3
EN
EN
SV00012
ABSOLUTE MAXIMUM RATINGS
1, 2
SYMBOL
PARAMETER
CONDITIONS
RATING
UNIT
V
CC
DC supply voltage
–0.5 to +4.6
V
V
I
DC input voltage
3
–0.5 to +7.0
V
V
OUT
DC output voltage
3
Output in Off or High state
–0.5 to +7.0
V
I
OUT
DC output current
DC out ut current
Output in Low state
128
mA
Output in High state
–64
I
IK
DC input diode current
V
I
< 0
–50
mA
I
OK
DC output diode current
V
O
< 0
–50
mA
T
stg
Storage temperature range
–65 to 150
°
C
NOTES:
1. Stresses beyond those listed 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 performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction
temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150
°
C.
3. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
相關(guān)PDF資料
PDF描述
74LVT244B Octal Buffers And Line Drivers With 3-State Outputs 20-SSOP -40 to 85
74LVT245PWDH Octal Buffers And Line Drivers With 3-State Outputs 20-TSSOP -40 to 85
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